Average annual temperature is 26.7 °C
Absolute maximum temperature: 41.5 °C
Absolute minimum temperature: 10.0 °C
Number of sunny days: 165 days
Number of rainy days: 200 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) | 31.8 | 35.0 | 38.0 | 39.5 | 41.5 | 36.2 | 34.7 | 33.4 | 32.4 | 31.7 | 32.9 | 32.9 |
| Average daytime temperature (°C) | 27.4 | 30.5 | 33.4 | 36.8 | 35.2 | 32.3 | 31.9 | 30.7 | 30.1 | 30.5 | 30.4 | 29.1 |
| Average temperature (°C) | 21.3 | 24.8 | 27.5 | 31.4 | 30.4 | 28.2 | 27.9 | 27.2 | 26.4 | 26.3 | 25.5 | 23.7 |
| Average night temperature (°C) | 15.1 | 19.0 | 21.6 | 26.0 | 25.9 | 25.0 | 24.7 | 24.4 | 23.7 | 22.7 | 20.7 | 18.4 |
| Absolute minimum temperature (°C) | 10.0 | 12.9 | 17.1 | 23.6 | 23.0 | 24.0 | 23.5 | 23.5 | 22.6 | 20.7 | 16.2 | 11.3 |
| 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 | 12.5 | 12.9 | 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) | 9.6 | 10.2 | 10.8 | 11.0 | 10.4 | 8.7 | 8.8 | 7.0 | 6.7 | 9.2 | 10.1 | 9.9 |
| Precipitation (mm) | 6 | 11 | 10 | 27 | 167 | 342 | 339 | 302 | 497 | 254 | 12 | 1 |
| Sunny days | 27 | 22 | 27 | 17 | 7 | 0 | 1 | 1 | 0 | 10 | 23 | 30 |
| Rainy days | 4 | 6 | 4 | 13 | 24 | 30 | 30 | 30 | 30 | 21 | 7 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Na Sai is at