Average annual temperature is 26.2 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 13.8 °C
Number of sunny days: 135 days
Number of rainy days: 230 days
Look at detailed online map of Ban Sim
* Weather data for Ban Sim 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) | 33.2 | 35.6 | 37.6 | 37.4 | 38.3 | 33.8 | 33.6 | 32.5 | 31.6 | 31.6 | 32.5 | 34.0 |
| Average daytime temperature (°C) | 27.8 | 33.0 | 35.1 | 35.8 | 34.1 | 31.3 | 31.0 | 29.9 | 29.4 | 30.0 | 30.6 | 30.2 |
| Average temperature (°C) | 21.8 | 25.8 | 27.5 | 29.1 | 28.8 | 27.0 | 26.8 | 26.3 | 25.8 | 25.7 | 25.1 | 24.5 |
| Average night temperature (°C) | 17.4 | 20.1 | 21.3 | 24.3 | 24.8 | 23.9 | 23.8 | 23.6 | 23.3 | 22.7 | 20.9 | 20.1 |
| Absolute minimum temperature (°C) | 13.8 | 17.3 | 17.2 | 23.1 | 23.0 | 23.0 | 22.5 | 22.2 | 22.3 | 20.9 | 16.4 | 16.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 13.0 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| 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) | 9.1 | 10.2 | 11.1 | 10.7 | 10.7 | 10.6 | 9.8 | 8.8 | 7.8 | 8.8 | 10.2 | 10.0 |
| Precipitation (mm) | 15 | 1 | 4 | 42 | 109 | 300 | 345 | 324 | 311 | 191 | 18 | 2 |
| Sunny days | 24 | 24 | 25 | 9 | 6 | 0 | 1 | 0 | 0 | 5 | 17 | 24 |
| Rainy days | 7 | 4 | 6 | 21 | 25 | 30 | 30 | 31 | 30 | 26 | 13 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Sim is at