Average annual temperature is 28.3 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 130 days
Number of rainy days: 235 days
Look at detailed online map of Ban Som Siao
* Weather data for Ban Som Siao 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) | 33.4 | 36.6 | 38.5 | 39.5 | 40.4 | 39.1 | 35.9 | 39.0 | 35.6 | 33.3 | 32.6 | 33.7 |
| Average daytime temperature (°C) | 30.3 | 33.1 | 35.1 | 37.6 | 37.5 | 34.8 | 33.4 | 35.1 | 32.6 | 31.2 | 31.0 | 31.6 |
| Average temperature (°C) | 24.8 | 27.2 | 28.9 | 31.2 | 31.3 | 29.5 | 28.8 | 29.5 | 28.0 | 27.1 | 26.6 | 26.8 |
| Average night temperature (°C) | 19.7 | 21.8 | 23.1 | 26.1 | 26.9 | 26.0 | 25.7 | 25.7 | 25.1 | 24.3 | 23.1 | 22.4 |
| Absolute minimum temperature (°C) | 17.1 | 17.6 | 19.8 | 24.5 | 25.3 | 23.9 | 24.0 | 24.6 | 24.1 | 23.4 | 18.5 | 18.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.4 | 12.8 | 12.9 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| 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) | 10.1 | 10.3 | 10.9 | 10.8 | 10.6 | 8.3 | 8.0 | 8.8 | 7.8 | 7.9 | 9.7 | 10.2 |
| Precipitation (mm) | 7 | 30 | 15 | 66 | 125 | 179 | 153 | 136 | 329 | 338 | 91 | 48 |
| Sunny days | 27 | 17 | 25 | 15 | 3 | 3 | 2 | 4 | 0 | 1 | 13 | 20 |
| Rainy days | 4 | 11 | 6 | 15 | 28 | 27 | 29 | 27 | 30 | 30 | 17 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Som Siao is at