Average annual temperature is 26.3 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 10.1 °C
Number of sunny days: 154 days
Number of rainy days: 211 days
Look at detailed online map of Si Wilai
* Weather data for Si Wilai 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) | 32.3 | 34.7 | 38.6 | 38.8 | 40.9 | 34.4 | 32.6 | 33.4 | 32.2 | 32.5 | 34.7 | 33.0 |
| Average daytime temperature (°C) | 27.2 | 30.9 | 33.8 | 35.9 | 34.7 | 30.8 | 31.1 | 29.7 | 29.9 | 31.1 | 31.5 | 29.3 |
| Average temperature (°C) | 20.9 | 24.5 | 27.4 | 30.0 | 29.8 | 27.0 | 27.2 | 26.4 | 26.2 | 26.7 | 25.9 | 23.5 |
| Average night temperature (°C) | 14.9 | 18.5 | 21.1 | 25.0 | 25.6 | 24.1 | 24.1 | 23.9 | 23.6 | 23.2 | 21.0 | 18.2 |
| Absolute minimum temperature (°C) | 10.1 | 14.1 | 15.9 | 20.7 | 23.1 | 23.0 | 22.8 | 23.2 | 22.9 | 21.0 | 14.7 | 12.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.4 | 10.4 | 10.5 | 10.9 | 10.2 | 7.4 | 9.1 | 6.2 | 7.1 | 9.9 | 10.2 | 9.9 |
| Precipitation (mm) | 4 | 7 | 22 | 81 | 211 | 596 | 498 | 600 | 560 | 128 | 3 | 0 |
| Sunny days | 26 | 19 | 25 | 14 | 9 | 0 | 0 | 0 | 0 | 11 | 23 | 27 |
| Rainy days | 5 | 9 | 6 | 16 | 22 | 30 | 31 | 31 | 30 | 20 | 7 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Si Wilai is at