Average annual temperature is 23.3 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: 11.0 °C
Number of sunny days: 102 days
Number of rainy days: 263 days
Look at detailed online map of Ban Chalam
* Weather data for Ban Chalam 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) | 28.2 | 32.7 | 34.4 | 34.0 | 34.7 | 31.2 | 31.2 | 31.3 | 29.8 | 28.8 | 29.6 | 30.6 |
| Average daytime temperature (°C) | 24.6 | 29.1 | 31.3 | 31.6 | 30.8 | 28.5 | 28.4 | 28.4 | 27.2 | 27.2 | 27.6 | 27.2 |
| Average temperature (°C) | 19.2 | 22.5 | 24.0 | 25.5 | 25.5 | 24.1 | 24.1 | 24.2 | 23.4 | 23.3 | 22.6 | 21.7 |
| Average night temperature (°C) | 15.0 | 17.3 | 18.4 | 21.4 | 21.8 | 21.0 | 21.1 | 21.0 | 20.8 | 20.5 | 18.9 | 17.7 |
| Absolute minimum temperature (°C) | 11.0 | 14.8 | 14.3 | 20.2 | 20.2 | 20.3 | 19.5 | 19.9 | 20.2 | 19.2 | 14.4 | 12.8 |
| 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 | 12.8 | 13.0 | 12.9 | 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) | 9.2 | 10.2 | 11.2 | 11.0 | 10.8 | 10.3 | 9.5 | 9.4 | 8.0 | 8.7 | 10.4 | 10.1 |
| Precipitation (mm) | 15 | 10 | 22 | 95 | 209 | 279 | 368 | 214 | 302 | 200 | 44 | 12 |
| Sunny days | 22 | 18 | 21 | 3 | 3 | 0 | 0 | 1 | 0 | 0 | 14 | 20 |
| Rainy days | 9 | 10 | 10 | 27 | 28 | 30 | 31 | 30 | 30 | 31 | 16 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Chalam is at