Average annual temperature is 23.8 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 10.7 °C
Number of sunny days: 109 days
Number of rainy days: 256 days
Look at detailed online map of Ban Nam Sum
* Weather data for Ban Nam Sum 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) | 26.9 | 29.6 | 33.0 | 36.4 | 36.4 | 33.1 | 32.1 | 31.9 | 31.3 | 30.6 | 29.2 | 28.5 |
| Average daytime temperature (°C) | 25.1 | 27.2 | 30.0 | 34.0 | 32.2 | 29.5 | 29.7 | 28.4 | 28.2 | 27.8 | 27.2 | 26.4 |
| Average temperature (°C) | 19.7 | 21.8 | 24.4 | 27.5 | 26.4 | 24.9 | 25.0 | 24.3 | 24.0 | 23.4 | 22.5 | 21.4 |
| Average night temperature (°C) | 13.3 | 15.5 | 18.8 | 22.0 | 22.3 | 21.7 | 21.8 | 21.7 | 21.5 | 20.4 | 18.6 | 16.8 |
| Absolute minimum temperature (°C) | 10.7 | 13.8 | 14.7 | 19.6 | 20.3 | 20.6 | 21.0 | 20.2 | 20.6 | 19.1 | 15.8 | 12.3 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.8 | 12.2 | 11.7 | 11.3 | 11.0 |
| 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 | 10.0 |
| Sunshine mean duration (h) | 10.2 | 10.6 | 10.5 | 11.2 | 11.0 | 9.2 | 10.0 | 7.8 | 8.1 | 9.7 | 10.1 | 10.0 |
| Precipitation (mm) | 1 | 57 | 35 | 20 | 125 | 267 | 319 | 319 | 568 | 255 | 72 | 37 |
| Sunny days | 26 | 19 | 18 | 19 | 1 | 0 | 0 | 0 | 1 | 0 | 13 | 12 |
| Rainy days | 5 | 9 | 13 | 11 | 30 | 30 | 31 | 31 | 29 | 31 | 17 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Nam Sum is at