Average annual temperature is 28.4 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 13.8 °C
Number of sunny days: 152 days
Number of rainy days: 213 days
Look at detailed online map of Wat Sai
* Weather data for Wat Sai Thailand is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.5 | 35.1 | 38.0 | 39.8 | 41.0 | 38.5 | 37.5 | 37.6 | 33.7 | 33.4 | 33.0 | 35.1 |
| Average daytime temperature (°C) | 29.0 | 32.0 | 35.1 | 37.9 | 36.5 | 35.4 | 34.6 | 34.9 | 31.8 | 31.2 | 31.0 | 31.6 |
| Average temperature (°C) | 23.9 | 26.8 | 29.3 | 32.1 | 31.3 | 30.0 | 29.5 | 29.7 | 27.7 | 27.4 | 26.7 | 26.6 |
| Average night temperature (°C) | 18.6 | 21.7 | 23.9 | 26.9 | 27.1 | 26.5 | 26.0 | 26.0 | 24.9 | 24.3 | 22.9 | 21.7 |
| Absolute minimum temperature (°C) | 13.8 | 16.4 | 18.9 | 24.2 | 24.8 | 25.2 | 24.2 | 24.7 | 23.8 | 23.1 | 19.2 | 17.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 13.0 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.2 | 10.4 | 10.7 | 11.1 | 10.9 | 8.9 | 8.8 | 8.4 | 7.6 | 9.0 | 9.9 | 10.2 |
| Precipitation (mm) | 3 | 6 | 0 | 33 | 96 | 178 | 198 | 181 | 352 | 231 | 43 | 1 |
| Sunny days | 29 | 21 | 29 | 21 | 9 | 1 | 0 | 0 | 0 | 1 | 16 | 25 |
| Rainy days | 2 | 7 | 2 | 9 | 22 | 29 | 31 | 31 | 30 | 30 | 14 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wat Sai is at