| Bangkok | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 21.0 | 32.0 | 9.1 | 1 |
| Feb | 23.3 | 32.7 | 29.9 | 3 |
| Mar | 24.9 | 33.7 | 28.6 | 3 |
| Apr | 26.1 | 34.9 | 64.7 | 6 |
| May | 25.6 | 34.0 | 220.4 | 16 |
| Jun | 25.4 | 33.1 | 149.3 | 16 |
| Jul | 25.0 | 32.7 | 154.5 | 18 |
| Aug | 24.9 | 32.5 | 196.7 | 20 |
| Sep | 24.6 | 32.3 | 344.2 | 21 |
| Oct | 24.3 | 32.0 | 241.6 | 17 |
| Nov | 23.1 | 31.6 | 48.1 | 6 |
| Dec | 20.8 | 31.3 | 9.7 | 1 |
| "-" = No Observation | ||||
| Chiang Rai | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 11.9 | 27.6 | 12.2 | 2 |
| Feb | 12.9 | 30.9 | 7.8 | 1 |
| Mar | 15.9 | 33.5 | 19.1 | 3 |
| Apr | 19.7 | 34.9 | 89.8 | 10 |
| May | 22.0 | 33.2 | 203.9 | 17 |
| Jun | 22.9 | 31.7 | 211.2 | 19 |
| Jul | 22.8 | 30.9 | 308.2 | 22 |
| Aug | 22.6 | 30.6 | 385.4 | 24 |
| Sep | 22.0 | 30.6 | 268.4 | 18 |
| Oct | 20.3 | 29.8 | 142.4 | 12 |
| Nov | 17.0 | 28.2 | 60.5 | 6 |
| Dec | 12.8 | 26.5 | 24.6 | 3 |
| Chiang Mai | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 13.7 | 28.9 | 6.9 | 1 |
| Feb | 14.9 | 32.2 | 4.6 | 1 |
| Mar | 18.2 | 34.9 | 13.0 | 2 |
| Apr | 21.8 | 36.1 | 50.1 | 6 |
| May | 23.4 | 34.1 | 158.4 | 15 |
| Jun | 23.7 | 32.3 | 131.6 | 17 |
| Jul | 23.6 | 31.7 | 160.8 | 19 |
| Aug | 23.4 | 31.1 | 236.0 | 21 |
| Sep | 23.0 | 31.3 | 227.6 | 17 |
| Oct | 21.8 | 31.1 | 121.9 | 11 |
| Nov | 19.0 | 29.8 | 52.8 | 6 |
| Dec | 15.0 | 28.3 | 19.8 | 2 |
| "-" = No Observation | ||||
| Mae Hong Son | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 13.9 | 29.7 | 8.4 | 1 |
| Feb | 14.0 | 32.9 | 2.0 | 1 |
| Mar | 17.4 | 36.3 | 5.3 | 1 |
| Apr | 22.3 | 38.0 | 50.4 | 5 |
| May | 23.7 | 35.2 | 180.1 | 17 |
| Jun | 23.7 | 32.2 | 185.0 | 22 |
| Jul | 23.5 | 31.4 | 212.7 | 25 |
| Aug | 23.3 | 31.2 | 252.2 | 26 |
| Sep | 23.0 | 32.1 | 199.3 | 20 |
| Oct | 21.9 | 32.1 | 114.7 | 13 |
| Nov | 19.2 | 30.9 | 37.1 | 5 |
| Dec | 15.6 | 29.1 | 15.2 | 2 |
| "-" = No Observation | ||||
| Phitsanulok | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 18.0 | 31.6 | 6.6 | 2 |
| Feb | 20.8 | 33.9 | 11.9 | 2 |
| Mar | 23.5 | 35.9 | 29.1 | 3 |
| Apr | 25.3 | 37.4 | 51.0 | 6 |
| May | 25.2 | 35.6 | 188.5 | 15 |
| Jun | 24.8 | 33.6 | 183.3 | 17 |
| Jul | 24.6 | 32.8 | 189.8 | 18 |
| Aug | 24.5 | 32.3 | 257.1 | 21 |
| Sep | 24.5 | 32.3 | 241.4 | 19 |
| Oct | 24.0 | 32.3 | 157.0 | 13 |
| Nov | 21.6 | 31.7 | 30.7 | 4 |
| Dec | 18.3 | 30.9 | 5.5 | 1 |
| "-" = No Observation | ||||
| Lampang | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 13.9 | 30.2 | 6.2 | 1 |
| Feb | 15.7 | 33.4 | 6.5 | 1 |
| Mar | 19.1 | 36.2 | 18.8 | 2 |
| Apr | 22.6 | 37.5 | 65.9 | 7 |
| May | 24.0 | 35.0 | 158.7 | 15 |
| Jun | 24.1 | 33.2 | 118.2 | 15 |
| Jul | 23.9 | 32.6 | 132.4 | 17 |
| Aug | 23.6 | 32.2 | 198.7 | 19 |
| Sep | 23.2 | 31.9 | 211.8 | 18 |
| Oct | 21.9 | 31.4 | 119.4 | 13 |
| Nov | 18.8 | 30.4 | 34.9 | 4 |
| Dec | 14.7 | 29.2 | 5.3 | 1 |
| "-" = No Observation | ||||
| Nong Khai | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 16.2 | 29.3 | 7.0 | 2 |
| Feb | 18.6 | 31.6 | 10.5 | 3 |
| Mar | 21.4 | 34.3 | 30.7 | 5 |
| Apr | 23.8 | 35.7 | 89.5 | 8 |
| May | 24.3 | 33.7 | 240.3 | 17 |
| Jun | 24.7 | 32.5 | 278.5 | 19 |
| Jul | 24.5 | 32.0 | 249.3 | 20 |
| Aug | 24.3 | 31.4 | 336.7 | 22 |
| Sep | 24.0 | 31.6 | 275.6 | 18 |
| Oct | 22.7 | 31.3 | 76.6 | 9 |
| Nov | 19.4 | 30.1 | 12.2 | 2 |
| Dec | 15.9 | 28.6 | 3.3 | 1 |
| "-" = No Observation | ||||
| Loei | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 13.4 | 29.7 | 6.4 | 2 |
| Feb | 16.0 | 32.4 | 17.6 | 3 |
| Mar | 19.1 | 34.8 | 37.6 | 5 |
| Apr | 21.9 | 35.7 | 95.9 | 11 |
| May | 23.3 | 33.6 | 213.1 | 18 |
| Jun | 23.8 | 32.7 | 164.8 | 17 |
| Jul | 23.6 | 32.1 | 159.5 | 18 |
| Aug | 23.4 | 31.8 | 177.5 | 19 |
| Sep | 22.8 | 31.4 | 226.8 | 20 |
| Oct | 21.4 | 30.9 | 117.4 | 12 |
| Nov | 18.0 | 29.9 | 17.6 | 3 |
| Dec | 14.1 | 28.8 | 3.9 | 1 |
| "-" = No Observation | ||||
| Udorn Thani | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 15.8 | 29.2 | 5.5 | 1 |
| Feb | 18.6 | 31.6 | 19.4 | 3 |
| Mar | 21.7 | 34.2 | 36.5 | 4 |
| Apr | 24.1 | 35.4 | 82.7 | 8 |
| May | 24.7 | 33.7 | 219.8 | 16 |
| Jun | 25.0 | 32.5 | 231.0 | 18 |
| Jul | 24.7 | 32.2 | 221.7 | 18 |
| Aug | 24.5 | 31.5 | 276.1 | 21 |
| Sep | 24.1 | 31.3 | 253.5 | 18 |
| Oct | 22.9 | 31.1 | 84.2 | 8 |
| Nov | 19.8 | 30.1 | 8.8 | 2 |
| Dec | 16.2 | 28.7 | 3.3 | 1 |
| "-" = No Observation | ||||
| Nakorn Phanom | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 15.1 | 28.8 | 2.7 | 1 |
| Feb | 18.0 | 30.6 | 21.3 | 3 |
| Mar | 21.0 | 33.2 | 46.8 | 5 |
| Apr | 23.5 | 34.5 | 106.5 | 9 |
| May | 24.3 | 33.2 | 239.9 | 19 |
| Jun | 24.3 | 31.5 | 475.9 | 23 |
| Jul | 24.1 | 31.2 | 456.2 | 24 |
| Aug | 23.9 | 30.7 | 608.6 | 26 |
| Sep | 23.5 | 31.2 | 279.1 | 18 |
| Oct | 21.8 | 31.2 | 77.6 | 8 |
| Nov | 18.7 | 30.1 | 8.4 | 2 |
| Dec | 15.3 | 28.5 | 1.3 | 0 |
| "-" = No Observation | ||||
| Khon Kaen | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 16.2 | 30.3 | 4.4 | 1 |
| Feb | 19.3 | 32.7 | 14.7 | 2 |
| Mar | 22.3 | 35.2 | 34.7 | 4 |
| Apr | 24.5 | 36.4 | 66.4 | 7 |
| May | 24.8 | 34.5 | 173.6 | 14 |
| Jun | 24.8 | 33.2 | 179.5 | 15 |
| Jul | 24.4 | 32.7 | 165.8 | 16 |
| Aug | 24.2 | 32.0 | 196.0 | 18 |
| Sep | 23.7 | 31.6 | 246.1 | 18 |
| Oct | 22.5 | 31.4 | 107.3 | 10 |
| Nov | 19.6 | 30.7 | 15.8 | 2 |
| Dec | 16.4 | 29.7 | 3.3 | 1 |
| "-" = No Observation | ||||
| Roi Et | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 16.5 | 30.0 | 3.0 | 1 |
| Feb | 19.3 | 32.2 | 21.0 | 2 |
| Mar | 22.2 | 34.5 | 31.0 | 3 |
| Apr | 24.3 | 35.5 | 87.7 | 8 |
| May | 24.8 | 33.9 | 200.1 | 15 |
| Jun | 24.9 | 32.6 | 208.3 | 16 |
| Jul | 24.7 | 32.0 | 195.9 | 15 |
| Aug | 24.5 | 31.3 | 261.0 | 18 |
| Sep | 24.2 | 30.9 | 292.5 | 18 |
| Oct | 22.8 | 30.8 | 101.6 | 9 |
| Nov | 19.7 | 30.0 | 11.7 | 2 |
| Dec | 16.8 | 29.2 | 1.2 | 1 |
| "-" = No Observation | ||||
| Ubon Ratchathani | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 17.0 | 31.0 | .7 | 1 |
| Feb | 19.4 | 33.3 | 11.4 | 1 |
| Mar | 22.3 | 35.4 | 30.6 | 3 |
| Apr | 24.3 | 35.9 | 86.6 | 8 |
| May | 24.5 | 34.3 | 214.7 | 15 |
| Jun | 24.3 | 32.6 | 267.0 | 19 |
| Jul | 24.0 | 32.0 | 273.2 | 19 |
| Aug | 23.8 | 31.4 | 328.0 | 22 |
| Sep | 23.5 | 31.3 | 297.4 | 20 |
| Oct | 22.5 | 31.3 | 98.5 | 11 |
| Nov | 20.0 | 30.7 | 24.0 | 4 |
| Dec | 17.4 | 30.0 | 1.9 | 1 |
| "-" = No Observation | ||||
| Nakhon Ratchasima | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 16.8 | 30.6 | 4.6 | 1 |
| Feb | 20.0 | 33.5 | 20.5 | 2 |
| Mar | 22.2 | 35.8 | 41.6 | 5 |
| Apr | 24.0 | 36.5 | 65.8 | 8 |
| May | 24.5 | 34.9 | 152.1 | 15 |
| Jun | 24.3 | 34.1 | 104.5 | 13 |
| Jul | 23.9 | 33.6 | 122.5 | 15 |
| Aug | 23.7 | 33.1 | 128.0 | 16 |
| Sep | 23.6 | 32.1 | 244.2 | 19 |
| Oct | 22.6 | 30.9 | 152.1 | 12 |
| Nov | 20.2 | 29.7 | 31.0 | 4 |
| Dec | 17.1 | 29.3 | 3.6 | 1 |
| "-" = No Observation | ||||
| Surin | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 16.9 | 31.1 | 2.7 | 1 |
| Feb | 19.6 | 33.3 | 11.0 | 2 |
| Mar | 22.2 | 35.4 | 20.8 | 4 |
| Apr | 24.0 | 35.9 | 92.3 | 8 |
| May | 24.2 | 34.3 | 176.0 | 15 |
| Jun | 24.1 | 33.1 | 178.3 | 17 |
| Jul | 23.8 | 32.5 | 201.5 | 17 |
| Aug | 23.7 | 32.1 | 212.2 | 19 |
| Sep | 23.5 | 31.6 | 276.8 | 19 |
| Oct | 22.8 | 31.1 | 124.9 | 11 |
| Nov | 20.2 | 30.5 | 22.5 | 4 |
| Dec | 17.3 | 30.1 | 1.7 | 1 |
| "-" = No Observation | ||||
| Nakhon Sawan | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 18.1 | 32.2 | 9.8 | 1 |
| Feb | 21.7 | 34.8 | 14.9 | 2 |
| Mar | 24.1 | 36.8 | 30.0 | 3 |
| Apr | 25.7 | 38.1 | 60.9 | 5 |
| May | 25.4 | 35.9 | 138.7 | 12 |
| Jun | 25.0 | 34.6 | 117.1 | 14 |
| Jul | 24.5 | 34.0 | 134.1 | 16 |
| Aug | 24.3 | 33.3 | 194.9 | 18 |
| Sep | 24.0 | 32.5 | 231.6 | 18 |
| Oct | 23.6 | 32.1 | 144.4 | 14 |
| Nov | 21.3 | 31.5 | 35.3 | 4 |
| Dec | 18.2 | 31.0 | 7.3 | 1 |
| "-" = No Observation | ||||
| Ayuttaya | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 17.0 | 31.0 | 2.4 | 0 |
| Feb | 19.4 | 33.3 | 18.8 | 1 |
| Mar | 22.3 | 35.4 | 43.5 | 4 |
| Apr | 24.3 | 35.9 | 67.9 | 6 |
| May | 24.5 | 34.3 | 208.0 | 15 |
| Jun | 24.3 | 32.6 | 223.0 | 16 |
| Jul | 24.0 | 32.0 | 180.8 | 17 |
| Aug | 23.8 | 31.4 | 260.0 | 19 |
| Sep | 23.5 | 31.3 | 213.9 | 17 |
| Oct | 22.5 | 31.3 | 167.6 | 12 |
| Nov | 20.0 | 30.7 | 37.1 | 3 |
| Dec | 17.4 | 30.0 | .8 | 1 |
| "-" = No Observation | ||||
| Kanchanaburi | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 18.2 | 32.3 | 5.1 | 1 |
| Feb | 20.9 | 35.1 | 14.4 | 2 |
| Mar | 23.2 | 37.3 | 28.3 | 3 |
| Apr | 25.2 | 38.1 | 75.4 | 6 |
| May | 25.2 | 35.5 | 152.9 | 14 |
| Jun | 24.8 | 33.7 | 82.2 | 14 |
| Jul | 24.4 | 33.3 | 95.3 | 16 |
| Aug | 24.4 | 33.1 | 102.3 | 16 |
| Sep | 24.0 | 32.8 | 218.9 | 18 |
| Oct | 23.2 | 31.7 | 198.2 | 15 |
| Nov | 21.3 | 30.7 | 70.2 | 6 |
| Dec | 18.3 | 30.6 | 8.6 | 2 |
| "-" = No Observation | ||||
| Prachuap Khirikhan | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 19.6 | 29.6 | 41.7 | 3 |
| Feb | 21.1 | 30.5 | 54.7 | 4 |
| Mar | 22.5 | 31.7 | 42.1 | 4 |
| Apr | 24.1 | 33.1 | 41.0 | 5 |
| May | 24.8 | 33.0 | 123.6 | 14 |
| Jun | 24.8 | 32.3 | 94.9 | 17 |
| Jul | 24.5 | 32.3 | 89.0 | 17 |
| Aug | 24.5 | 31.8 | 102.7 | 20 |
| Sep | 24.1 | 32.0 | 95.8 | 15 |
| Oct | 23.4 | 30.9 | 205.4 | 16 |
| Nov | 22.5 | 30.0 | 226.7 | 10 |
| Dec | 20.6 | 29.6 | 35.4 | 3 |
| "-" = No Observation | ||||
| Koh Samui | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 24.1 | 29.1 | 144.2 | 11 |
| Feb | 25.2 | 29.5 | 33.3 | 5 |
| Mar | 25.8 | 30.8 | 51.0 | 4 |
| Apr | 26.2 | 32.1 | 85.8 | 8 |
| May | 25.8 | 32.5 | 157.5 | 16 |
| Jun | 25.6 | 32.2 | 92.8 | 15 |
| Jul | 25.1 | 31.9 | 130.9 | 15 |
| Aug | 25.2 | 31.8 | 105.5 | 15 |
| Sep | 24.9 | 31.5 | 113.2 | 16 |
| Oct | 24.5 | 30.6 | 265.9 | 20 |
| Nov | 24.1 | 29.5 | 526.1 | 20 |
| Dec | 23.9 | 29.0 | 213.1 | 15 |
| "-" = No Observation | ||||
| Chumphon | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 20.4 | 30.0 | 93.9 | 7 |
| Feb | 21.5 | 31.3 | 62.8 | 6 |
| Mar | 22.3 | 32.6 | 56.5 | 5 |
| Apr | 23.6 | 33.8 | 74.4 | 8 |
| May | 24.0 | 32.9 | 188.8 | 18 |
| Jun | 24.0 | 31.7 | 173.5 | 20 |
| Jul | 23.7 | 31.4 | 174.2 | 21 |
| Aug | 23.8 | 31.0 | 206.0 | 23 |
| Sep | 23.7 | 31.3 | 157.7 | 19 |
| Oct | 23.4 | 30.9 | 275.5 | 20 |
| Nov | 22.5 | 29.8 | 380.4 | 16 |
| Dec | 20.9 | 29.5 | 118.1 | 9 |
| "-" = No Observation | ||||
| Nakhon Si Thammarat | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 21.8 | 29.7 | 173.5 | 13 |
| Feb | 21.8 | 31.1 | 42.5 | 6 |
| Mar | 22.3 | 32.7 | 44.6 | 4 |
| Apr | 23.4 | 33.8 | 94.4 | 8 |
| May | 23.9 | 33.5 | 169.6 | 17 |
| Jun | 23.8 | 33.5 | 95.1 | 13 |
| Jul | 23.3 | 33.3 | 108.1 | 14 |
| Aug | 23.3 | 33.3 | 97.3 | 14 |
| Sep | 23.1 | 32.7 | 160.8 | 17 |
| Oct | 23.0 | 31.4 | 338.3 | 21 |
| Nov | 22.9 | 29.6 | 643.1 | 22 |
| Dec | 22.5 | 29.2 | 414.0 | 20 |
| "-" = No Observation | ||||
| Surat Thani | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 20.3 | 30.3 | 50.2 | 6 |
| Feb | 20.0 | 32.2 | 10.0 | 2 |
| Mar | 20.9 | 33.7 | 19.6 | 3 |
| Apr | 22.6 | 34.6 | 55.6 | 7 |
| May | 23.5 | 33.7 | 174.7 | 18 |
| Jun | 23.5 | 32.9 | 135.0 | 17 |
| Jul | 23.2 | 32.6 | 145.2 | 17 |
| Aug | 23.2 | 32.3 | 141.3 | 18 |
| Sep | 23.0 | 32.1 | 193.0 | 19 |
| Oct | 22.8 | 31.1 | 249.0 | 20 |
| Nov | 22.5 | 29.6 | 331.2 | 19 |
| Dec | 21.7 | 29.2 | 130.7 | 13 |
| "-" = No Observation | ||||
| Songkla | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 24.0 | 29.6 | 81.9 | 9 |
| Feb | 24.1 | 30.4 | 25.5 | 4 |
| Mar | 24.2 | 31.4 | 36.7 | 5 |
| Apr | 24.6 | 32.6 | 70.2 | 7 |
| May | 24.6 | 32.9 | 120.4 | 14 |
| Jun | 24.3 | 32.8 | 101.0 | 12 |
| Jul | 23.9 | 32.6 | 94.9 | 12 |
| Aug | 24.0 | 32.6 | 99.8 | 13 |
| Sep | 23.8 | 32.2 | 129.6 | 14 |
| Oct | 23.8 | 31.1 | 283.5 | 21 |
| Nov | 23.9 | 29.6 | 587.9 | 22 |
| Dec | 24.0 | 29.1 | 403.7 | 20 |
| "-" = No Observation | ||||
| Pattani Airport | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 21.5 | 30.3 | 54.8 | 6 |
| Feb | 21.4 | 31.7 | 23.8 | 4 |
| Mar | 21.8 | 33.0 | 30.8 | 3 |
| Apr | 22.9 | 34.1 | 69.2 | 6 |
| May | 23.7 | 33.7 | 141.7 | 13 |
| Jun | 23.5 | 33.0 | 108.5 | 12 |
| Jul | 23.1 | 32.8 | 119.0 | 13 |
| Aug | 23.1 | 32.7 | 118.1 | 12 |
| Sep | 23.1 | 32.3 | 149.0 | 16 |
| Oct | 23.2 | 31.4 | 202.4 | 19 |
| Nov | 23.0 | 29.9 | 420.7 | 20 |
| Dec | 22.5 | 29.2 | 312.9 | 17 |
| "-" = No Observation | ||||
| Narathiwat | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 22.4 | 30.1 | 134.1 | 14 |
| Feb | 22.5 | 31.1 | 45.3 | 8 |
| Mar | 23.0 | 32.2 | 71.7 | 7 |
| Apr | 23.7 | 33.4 | 68.8 | 8 |
| May | 24.0 | 33.2 | 145.5 | 14 |
| Jun | 23.6 | 32.9 | 116.7 | 13 |
| Jul | 23.2 | 32.5 | 150.6 | 14 |
| Aug | 23.3 | 32.5 | 146.5 | 15 |
| Sep | 23.3 | 32.2 | 188.8 | 17 |
| Oct | 23.3 | 31.3 | 269.9 | 20 |
| Nov | 23.2 | 29.9 | 604.0 | 23 |
| Dec | 22.9 | 29.2 | 522.7 | 23 |
| "-" = No Observation | ||||
| Phetchaburi | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 20.5 | 30.5 | 12.1 | 1 |
| Feb | 23.0 | 30.9 | 2.8 | 1 |
| Mar | 24.4 | 32.1 | 12.5 | 2 |
| Apr | 25.6 | 33.2 | 43.5 | 4 |
| May | 25.9 | 33.2 | 94.4 | 11 |
| Jun | 25.9 | 32.7 | 84.0 | 12 |
| Jul | 25.4 | 32.5 | 80.1 | 13 |
| Aug | 25.7 | 32.5 | 106.5 | 16 |
| Sep | 25.0 | 32.1 | 130.3 | 16 |
| Oct | 24.4 | 31.5 | 263.8 | 17 |
| Nov | 23.2 | 30.7 | 198.4 | 10 |
| Dec | 20.1 | 30.1 | 15.7 | 1 |
| "-" = No Observation | ||||
| Hua Hin | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 21.1 | 29.3 | 12.8 | 2 |
| Feb | 22.5 | 30.8 | 18.8 | 2 |
| Mar | 23.8 | 32.2 | 27.0 | 2 |
| Apr | 25.1 | 33.4 | 35.3 | 4 |
| May | 25.4 | 33.4 | 105.4 | 13 |
| Jun | 25.3 | 33.2 | 73.1 | 15 |
| Jul | 24.9 | 32.9 | 93.7 | 17 |
| Aug | 24.9 | 32.7 | 95.7 | 18 |
| Sep | 24.4 | 32.0 | 115.9 | 17 |
| Oct | 24.0 | 31.0 | 211.1 | 17 |
| Nov | 23.2 | 29.8 | 190.8 | 9 |
| Dec | 21.6 | 29.1 | 18.9 | 2 |
| "-" = No Observation | ||||
| Ranong | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 20.6 | 32.3 | 18.6 | 4 |
| Feb | 21.1 | 33.7 | 12.6 | 3 |
| Mar | 22.2 | 34.5 | 33.8 | 5 |
| Apr | 23.6 | 34.4 | 139.7 | 12 |
| May | 23.9 | 32.0 | 512.5 | 23 |
| Jun | 23.7 | 30.5 | 733.6 | 26 |
| Jul | 23.5 | 30.3 | 654.3 | 27 |
| Aug | 23.5 | 30.0 | 808.5 | 28 |
| Sep | 23.3 | 30.1 | 674.8 | 26 |
| Oct | 22.9 | 30.8 | 392.6 | 23 |
| Nov | 22.4 | 31.1 | 164.8 | 15 |
| Dec | 21.5 | 31.3 | 37.9 | 7 |
| "-" = No Observation | ||||
| Phuket Airport | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 22.0 | 31.5 | 42.1 | 6 |
| Feb | 22.4 | 32.7 | 29.5 | 4 |
| Mar | 23.0 | 33.4 | 60.3 | 6 |
| Apr | 23.9 | 33.1 | 157.1 | 12 |
| May | 24.5 | 31.5 | 345.4 | 22 |
| Jun | 24.7 | 31.0 | 285.9 | 21 |
| Jul | 24.4 | 30.7 | 284.4 | 20 |
| Aug | 24.7 | 30.6 | 272.0 | 20 |
| Sep | 23.9 | 30.1 | 417.2 | 23 |
| Oct | 23.6 | 30.3 | 350.7 | 23 |
| Nov | 23.1 | 30.5 | 188.4 | 16 |
| Dec | 22.6 | 30.8 | 70.6 | 9 |
| "-" = No Observation | ||||
| Koh Lanta | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 23.8 | 32.5 | 6.5 | 3 |
| Feb | 23.9 | 33.6 | 7.3 | 2 |
| Mar | 24.8 | 34.2 | 36.3 | 3 |
| Apr | 25.1 | 33.7 | 119.6 | 10 |
| May | 25.1 | 31.9 | 346.4 | 21 |
| Jun | 25.6 | 31.5 | 204.2 | 18 |
| Jul | 25.0 | 31.0 | 297.1 | 18 |
| Aug | 25.4 | 30.9 | 266.1 | 18 |
| Sep | 24.7 | 30.4 | 391.4 | 22 |
| Oct | 24.4 | 30.7 | 344.8 | 20 |
| Nov | 24.0 | 30.8 | 173.2 | 14 |
| Dec | 23.5 | 31.1 | 38.9 | 6 |
| "-" = No Observation | ||||
| Trang Airport | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 21.2 | 31.9 | 45.9 | 5 |
| Feb | 21.2 | 34.0 | 21.0 | 3 |
| Mar | 22.0 | 35.2 | 48.8 | 5 |
| Apr | 23.1 | 35.2 | 118.1 | 12 |
| May | 23.5 | 33.0 | 249.4 | 20 |
| Jun | 23.3 | 32.1 | 220.6 | 19 |
| Jul | 23.0 | 31.6 | 273.1 | 19 |
| Aug | 23.1 | 31.5 | 266.2 | 19 |
| Sep | 23.0 | 31.2 | 352.0 | 22 |
| Oct | 22.9 | 31.4 | 279.0 | 22 |
| Nov | 22.7 | 30.8 | 207.5 | 19 |
| Dec | 22.3 | 30.7 | 105.7 | 11 |
| "-" = No Observation | ||||
| Phangnga | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 21.2 | 32.9 | 33.4 | 4 |
| Feb | 21.5 | 33.7 | 35.9 | 4 |
| Mar | 22.5 | 34.5 | 67.9 | 7 |
| Apr | 23.6 | 34.0 | 204.6 | 15 |
| May | 24.0 | 32.5 | 527.4 | 24 |
| Jun | 24.4 | 31.8 | 405.5 | 23 |
| Jul | 23.9 | 31.7 | 451.6 | 21 |
| Aug | 24.2 | 31.4 | 478.3 | 23 |
| Sep | 23.4 | 31.0 | 581.8 | 24 |
| Oct | 23.0 | 31.5 | 475.6 | 22 |
| Nov | 22.7 | 31.9 | 250.2 | 16 |
| Dec | 21.7 | 32.3 | 48.3 | 6 |
| "-" = No Observation | ||||
| Satun | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 23.1 | 32.5 | 10.4 | 2 |
| Feb | 23.0 | 34.3 | 32.6 | 3 |
| Mar | 23.5 | 34.8 | 79.6 | 9 |
| Apr | 24.1 | 34.0 | 203.4 | 15 |
| May | 24.6 | 32.7 | 259.2 | 19 |
| Jun | 24.2 | 32.3 | 183.4 | 15 |
| Jul | 23.7 | 31.7 | 253.6 | 17 |
| Aug | 23.9 | 31.6 | 231.8 | 17 |
| Sep | 23.7 | 31.2 | 346.3 | 22 |
| Oct | 23.7 | 31.3 | 307.1 | 22 |
| Nov | 23.5 | 31.4 | 234.6 | 18 |
| Dec | 23.4 | 31.3 | 62.9 | 8 |
| "-" = No Observation | ||||
| Sakeaw | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 18.6 | 32.2 | 8.2 | 1 |
| Feb | 21.6 | 34.4 | 23.4 | 3 |
| Mar | 23.6 | 35.9 | 46.3 | 5 |
| Apr | 24.7 | 36.4 | 96.5 | 9 |
| May | 24.8 | 34.7 | 181.9 | 17 |
| Jun | 24.5 | 33.2 | 179.9 | 18 |
| Jul | 24.1 | 32.5 | 182.4 | 19 |
| Aug | 24.0 | 32.2 | 202.0 | 20 |
| Sep | 24.0 | 32.1 | 275.7 | 19 |
| Oct | 23.4 | 32.0 | 181.3 | 15 |
| Nov | 21.4 | 31.4 | 52.2 | 6 |
| Dec | 18.8 | 31.1 | 6.7 | 1 |
| "-" = No Observation | ||||
| Chonburi | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 20.4 | 32.0 | 10.6 | 1 |
| Feb | 22.7 | 32.6 | 18.9 | 3 |
| Mar | 24.4 | 33.7 | 31.4 | 4 |
| Apr | 25.6 | 34.5 | 78.5 | 8 |
| May | 25.6 | 33.5 | 166.6 | 14 |
| Jun | 25.5 | 32.8 | 133.2 | 14 |
| Jul | 25.2 | 32.4 | 133.9 | 15 |
| Aug | 25.1 | 32.1 | 168.8 | 18 |
| Sep | 24.4 | 31.8 | 286.9 | 20 |
| Oct | 23.8 | 32.0 | 211.8 | 17 |
| Nov | 22.3 | 31.9 | 65.1 | 6 |
| Dec | 20.4 | 31.9 | 8.9 | 1 |
| "-" = No Observation | ||||
| Rayong | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 20.5 | 31.0 | 17.3 | 2 |
| Feb | 24.4 | 31.5 | 40.2 | 4 |
| Mar | 26.2 | 32.2 | 65.1 | 4 |
| Apr | 27.0 | 33.2 | 65.5 | 6 |
| May | 26.8 | 32.6 | 189.8 | 15 |
| Jun | 26.9 | 31.8 | 149.3 | 13 |
| Jul | 26.3 | 31.5 | 132.5 | 12 |
| Aug | 26.4 | 31.2 | 128.4 | 14 |
| Sep | 25.2 | 31.3 | 247.5 | 17 |
| Oct | 24.4 | 31.5 | 216.4 | 15 |
| Nov | 23.1 | 31.8 | 83.6 | 8 |
| Dec | 20.1 | 31.1 | 3.8 | 1 |
| "-" = No Observation | ||||
| Trat | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 20.7 | 31.0 | 38.5 | 4 |
| Feb | 22.3 | 31.3 | 68.1 | 6 |
| Mar | 23.4 | 32.1 | 104.5 | 9 |
| Apr | 24.2 | 32.9 | 138.3 | 12 |
| May | 24.3 | 32.3 | 410.1 | 22 |
| Jun | 23.8 | 30.6 | 887.3 | 26 |
| Jul | 23.6 | 30.4 | 819.1 | 26 |
| Aug | 23.7 | 30.0 | 1098.0 | 28 |
| Sep | 23.5 | 30.4 | 670.7 | 25 |
| Oct | 23.0 | 31.0 | 359.0 | 20 |
| Nov | 22.5 | 31.6 | 93.3 | 10 |
| Dec | 21.3 | 31.2 | 23.0 | 3 |
| "-" = No Observation | ||||
| Chanthaburi | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 20.3 | 31.9 | 12.3 | 2 |
| Feb | 22.0 | 32.2 | 45.0 | 4 |
| Mar | 23.2 | 32.6 | 55.1 | 6 |
| Apr | 24.1 | 33.3 | 111.1 | 10 |
| May | 24.6 | 32.2 | 355.5 | 22 |
| Jun | 24.7 | 30.9 | 513.0 | 25 |
| Jul | 24.5 | 30.6 | 439.6 | 24 |
| Aug | 24.4 | 30.4 | 513.7 | 26 |
| Sep | 24.0 | 30.7 | 475.5 | 25 |
| Oct | 23.4 | 31.5 | 279.6 | 19 |
| Nov | 22.4 | 31.4 | 61.2 | 6 |
| Dec | 20.6 | 31.2 | 12.4 | 2 |
| "-" = No Observation | ||||
| Pattaya | ||||
| Month | Min Temp °C | Max Temp °C | Rainfall (mm) | Rainy days |
| Jan | 22.6 | 30.4 | 19.1 | 1 |
| Feb | 24.5 | 30.6 | 13.5 | 3 |
| Mar | 25.4 | 31.5 | 52.3 | 4 |
| Apr | 26.4 | 32.7 | 67.3 | 6 |
| May | 26.4 | 32.1 | 176.6 | 12 |
| Jun | 26.5 | 31.3 | 79.4 | 11 |
| Jul | 26.0 | 31.1 | 76.8 | 11 |
| Aug | 26.1 | 31.0 | 90.5 | 12 |
| Sep | 25.1 | 30.9 | 201.8 | 17 |
| Oct | 24.3 | 30.7 | 249.4 | 18 |
| Nov | 23.4 | 30.4 | 133.6 | 10 |
| Dec | 21.6 | 29.7 | 4.1 | 1 |
| "-" = No Observation | ||||
