Average annual temperature is 26.0 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 9.9 °C
Number of sunny days: 151 days
Number of rainy days: 214 days
Look at detailed online map of Ban Namsun
* Weather data for Ban Namsun Laos is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.0 | 34.2 | 38.6 | 37.5 | 39.9 | 36.3 | 33.8 | 35.7 | 33.5 | 34.2 | 36.1 | 33.0 |
| Average daytime temperature (°C) | 27.2 | 30.9 | 34.0 | 34.9 | 34.4 | 30.8 | 31.4 | 29.6 | 30.1 | 31.9 | 32.1 | 29.2 |
| Average temperature (°C) | 20.7 | 24.3 | 27.1 | 29.1 | 29.3 | 26.6 | 26.9 | 26.0 | 26.1 | 26.8 | 25.7 | 22.9 |
| Average night temperature (°C) | 14.9 | 18.4 | 21.0 | 24.6 | 25.1 | 23.6 | 23.7 | 23.5 | 23.4 | 23.0 | 20.6 | 17.7 |
| Absolute minimum temperature (°C) | 9.9 | 12.6 | 15.3 | 20.6 | 22.9 | 22.8 | 22.7 | 22.7 | 22.2 | 20.7 | 15.0 | 12.2 |
| 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 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 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 | 11.0 |
| Sunshine mean duration (h) | 9.4 | 10.3 | 10.4 | 10.9 | 10.1 | 7.4 | 8.9 | 5.8 | 7.1 | 10.0 | 10.2 | 9.9 |
| Precipitation (mm) | 6 | 13 | 6 | 80 | 182 | 778 | 575 | 756 | 455 | 77 | 1 | 1 |
| Sunny days | 26 | 20 | 24 | 14 | 6 | 0 | 0 | 0 | 0 | 10 | 23 | 28 |
| Rainy days | 5 | 8 | 7 | 16 | 25 | 30 | 31 | 31 | 30 | 21 | 7 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Namsun is at