Average annual temperature is 25.6 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 11.7 °C
Number of sunny days: 142 days
Number of rainy days: 223 days
Look at detailed online map of Ban Na Sai
* Weather data for Ban Na 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) | 30.9 | 33.9 | 36.3 | 39.1 | 39.0 | 35.3 | 33.9 | 32.4 | 33.1 | 31.8 | 32.2 | 33.0 |
| Average daytime temperature (°C) | 28.0 | 30.8 | 33.2 | 36.9 | 34.1 | 30.2 | 30.6 | 29.2 | 29.7 | 29.5 | 29.6 | 29.7 |
| Average temperature (°C) | 21.4 | 23.8 | 26.0 | 29.5 | 28.4 | 26.4 | 26.7 | 25.8 | 26.0 | 25.5 | 24.5 | 23.7 |
| Average night temperature (°C) | 15.3 | 17.7 | 20.0 | 23.6 | 24.1 | 23.6 | 23.5 | 23.4 | 23.1 | 22.4 | 20.2 | 18.8 |
| Absolute minimum temperature (°C) | 11.7 | 14.6 | 17.1 | 20.6 | 22.2 | 22.7 | 22.3 | 22.7 | 22.4 | 21.1 | 17.0 | 13.8 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.0 | 10.3 | 10.3 | 10.9 | 10.6 | 8.2 | 9.4 | 6.1 | 7.8 | 9.7 | 10.0 | 10.0 |
| Precipitation (mm) | 3 | 4 | 20 | 48 | 137 | 820 | 740 | 950 | 491 | 338 | 47 | 5 |
| Sunny days | 27 | 24 | 20 | 20 | 3 | 0 | 0 | 0 | 0 | 5 | 20 | 23 |
| Rainy days | 4 | 4 | 11 | 10 | 28 | 30 | 31 | 31 | 30 | 26 | 10 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Na Sai is at