Average annual temperature is 26.1 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 11.4 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Ban San Sai
* Weather data for Ban San 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) | 30.2 | 33.1 | 36.2 | 39.3 | 40.8 | 38.2 | 35.9 | 34.8 | 33.4 | 32.4 | 31.4 | 30.6 |
| Average daytime temperature (°C) | 27.6 | 29.9 | 32.7 | 37.4 | 35.2 | 33.2 | 33.3 | 32.2 | 30.6 | 29.8 | 29.3 | 28.6 |
| Average temperature (°C) | 21.0 | 22.9 | 25.6 | 30.3 | 29.5 | 28.3 | 28.1 | 27.6 | 26.5 | 25.7 | 24.4 | 23.2 |
| Average night temperature (°C) | 14.4 | 16.3 | 19.2 | 23.3 | 24.8 | 24.7 | 24.1 | 24.0 | 23.5 | 22.4 | 20.3 | 18.5 |
| Absolute minimum temperature (°C) | 11.4 | 13.0 | 17.2 | 19.6 | 22.6 | 23.3 | 22.6 | 23.2 | 22.5 | 20.8 | 16.6 | 13.6 |
| 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 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| 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) | 10.1 | 10.4 | 10.4 | 11.1 | 11.1 | 9.4 | 10.0 | 8.2 | 8.7 | 9.5 | 10.1 | 10.0 |
| Precipitation (mm) | 2 | 45 | 17 | 3 | 118 | 289 | 254 | 210 | 517 | 252 | 61 | 45 |
| Sunny days | 28 | 24 | 26 | 25 | 8 | 0 | 0 | 0 | 1 | 3 | 15 | 15 |
| Rainy days | 3 | 4 | 5 | 5 | 23 | 30 | 31 | 31 | 29 | 28 | 15 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban San Sai is at