Average annual temperature is 27.2 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 20.3 °C
Number of sunny days: 24 days
Number of rainy days: 341 days
Look at detailed online map of Ban Sai O
* Weather data for Ban Sai O 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) | 31.1 | 31.4 | 35.5 | 37.7 | 36.7 | 36.4 | 35.3 | 36.1 | 33.6 | 33.7 | 31.8 | 30.8 |
| Average daytime temperature (°C) | 28.9 | 29.9 | 31.5 | 35.0 | 34.1 | 33.8 | 33.1 | 33.7 | 31.7 | 32.1 | 29.2 | 29.6 |
| Average temperature (°C) | 25.0 | 26.0 | 26.7 | 29.1 | 28.8 | 28.6 | 28.2 | 28.5 | 27.1 | 26.8 | 25.6 | 26.0 |
| Average night temperature (°C) | 22.1 | 22.6 | 22.7 | 24.8 | 25.1 | 24.9 | 24.7 | 24.7 | 23.9 | 23.7 | 23.4 | 23.4 |
| Absolute minimum temperature (°C) | 20.3 | 20.9 | 20.9 | 22.8 | 23.7 | 23.1 | 22.5 | 23.6 | 22.6 | 22.6 | 22.6 | 22.7 |
| 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) | 8.2 | 10.5 | 10.7 | 10.9 | 10.0 | 10.0 | 9.1 | 10.8 | 8.2 | 8.5 | 6.2 | 9.2 |
| Precipitation (mm) | 214 | 62 | 47 | 87 | 173 | 96 | 92 | 91 | 220 | 376 | 512 | 254 |
| Sunny days | 0 | 1 | 10 | 1 | 2 | 3 | 2 | 3 | 2 | 0 | 0 | 0 |
| Rainy days | 31 | 27 | 21 | 29 | 29 | 27 | 29 | 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 O is at