Average annual temperature is 25.1 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 12.6 °C
Number of sunny days: 120 days
Number of rainy days: 245 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) | 28.7 | 32.7 | 36.2 | 38.3 | 37.5 | 35.3 | 33.5 | 33.5 | 32.1 | 30.7 | 30.3 | 30.6 |
| Average daytime temperature (°C) | 25.9 | 29.8 | 32.4 | 35.9 | 33.3 | 32.2 | 31.2 | 30.1 | 28.6 | 27.9 | 28.5 | 28.0 |
| Average temperature (°C) | 21.0 | 23.7 | 26.0 | 29.0 | 27.6 | 26.6 | 26.2 | 25.3 | 24.6 | 24.1 | 23.9 | 23.0 |
| Average night temperature (°C) | 15.6 | 17.5 | 20.3 | 22.7 | 23.3 | 22.8 | 22.7 | 22.2 | 22.1 | 21.3 | 20.0 | 18.7 |
| Absolute minimum temperature (°C) | 12.6 | 15.2 | 16.9 | 21.3 | 21.0 | 22.0 | 21.5 | 21.1 | 21.4 | 20.1 | 17.8 | 14.4 |
| 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 | 12.5 | 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) | 10.3 | 10.6 | 10.5 | 11.0 | 10.6 | 8.3 | 9.4 | 7.6 | 7.1 | 9.0 | 10.1 | 10.0 |
| Precipitation (mm) | 2 | 22 | 17 | 31 | 137 | 189 | 207 | 225 | 543 | 180 | 36 | 21 |
| Sunny days | 27 | 18 | 21 | 19 | 1 | 1 | 0 | 0 | 1 | 0 | 13 | 19 |
| Rainy days | 4 | 10 | 10 | 11 | 30 | 29 | 31 | 31 | 29 | 31 | 17 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Na Sai is at