Average annual temperature is 22.3 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 4.0 °C
Number of sunny days: 125 days
Number of rainy days: 240 days
Look at detailed online map of Ban Sèn Nam Hai
* Weather data for Ban Sèn Nam Hai 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) | 27.9 | 31.4 | 34.5 | 36.3 | 36.3 | 34.7 | 33.3 | 32.1 | 31.7 | 30.1 | 30.1 | 30.1 |
| Average daytime temperature (°C) | 24.7 | 28.2 | 30.4 | 33.9 | 32.0 | 29.9 | 30.5 | 28.1 | 28.1 | 27.8 | 27.7 | 26.5 |
| Average temperature (°C) | 16.5 | 19.9 | 22.1 | 25.6 | 25.5 | 24.6 | 24.9 | 23.6 | 23.4 | 22.4 | 20.5 | 18.8 |
| Average night temperature (°C) | 9.3 | 12.5 | 15.1 | 19.0 | 20.5 | 21.0 | 21.0 | 20.6 | 20.2 | 18.3 | 15.1 | 13.0 |
| Absolute minimum temperature (°C) | 4.0 | 9.1 | 11.5 | 16.6 | 18.6 | 20.1 | 19.9 | 19.5 | 18.5 | 15.5 | 11.5 | 6.5 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.8 | 10.3 | 10.3 | 11.2 | 10.9 | 8.7 | 10.3 | 6.7 | 8.7 | 9.7 | 9.8 | 9.4 |
| Precipitation (mm) | 6 | 5 | 42 | 49 | 133 | 247 | 203 | 342 | 268 | 66 | 27 | 16 |
| Sunny days | 28 | 18 | 14 | 18 | 2 | 0 | 0 | 1 | 0 | 9 | 17 | 18 |
| Rainy days | 3 | 10 | 17 | 12 | 29 | 30 | 31 | 30 | 30 | 22 | 13 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Sèn Nam Hai is at