Average annual temperature is 27.3 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 20.0 °C
Number of sunny days: 27 days
Number of rainy days: 338 days
Look at detailed online map of Ban Sai Dam
* Weather data for Ban Sai Dam 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) | 30.8 | 30.9 | 34.3 | 36.8 | 36.3 | 36.1 | 34.8 | 35.5 | 34.1 | 33.9 | 32.0 | 30.4 |
| Average daytime temperature (°C) | 28.7 | 29.5 | 30.6 | 34.2 | 33.9 | 34.2 | 32.7 | 33.7 | 31.8 | 32.2 | 29.1 | 29.3 |
| Average temperature (°C) | 25.2 | 26.1 | 26.6 | 28.9 | 28.9 | 28.8 | 28.1 | 28.6 | 27.1 | 26.8 | 25.8 | 26.3 |
| Average night temperature (°C) | 22.2 | 22.8 | 23.0 | 24.6 | 25.2 | 25.0 | 24.7 | 24.9 | 23.8 | 23.6 | 23.5 | 23.9 |
| Absolute minimum temperature (°C) | 20.0 | 21.2 | 21.1 | 22.1 | 23.7 | 22.9 | 21.9 | 23.8 | 22.2 | 22.4 | 22.5 | 23.0 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 8.4 | 10.5 | 10.8 | 11.0 | 10.3 | 10.2 | 9.4 | 10.9 | 8.8 | 8.9 | 6.6 | 9.2 |
| Precipitation (mm) | 203 | 53 | 41 | 76 | 140 | 95 | 79 | 94 | 200 | 367 | 459 | 245 |
| Sunny days | 0 | 0 | 11 | 1 | 2 | 7 | 1 | 3 | 2 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 20 | 29 | 29 | 23 | 30 | 28 | 28 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Sai Dam is at