Average annual temperature is 18.6 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 2.3 °C
Number of sunny days: 118 days
Number of rainy days: 247 days
Look at detailed online map of Cha Kham Sen
* Weather data for Cha Kham Sen 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) | 22.4 | 25.5 | 29.7 | 32.6 | 33.6 | 32.9 | 32.7 | 27.8 | 28.5 | 26.6 | 25.8 | 23.8 |
| Average daytime temperature (°C) | 18.3 | 22.1 | 25.3 | 30.2 | 28.8 | 26.4 | 27.4 | 24.8 | 25.5 | 24.1 | 21.5 | 20.1 |
| Average temperature (°C) | 11.3 | 14.7 | 17.5 | 21.5 | 22.1 | 21.6 | 22.1 | 20.8 | 20.9 | 19.3 | 16.3 | 14.5 |
| Average night temperature (°C) | 5.2 | 8.7 | 11.5 | 14.8 | 16.6 | 18.2 | 18.2 | 17.9 | 17.1 | 15.5 | 11.9 | 10.0 |
| Absolute minimum temperature (°C) | 2.3 | 6.1 | 9.3 | 12.2 | 14.6 | 17.2 | 16.7 | 16.5 | 15.9 | 13.0 | 8.0 | 3.7 |
| 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 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.4 | 12.0 | 12.7 | 13.2 | 13.4 | 13.3 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.9 | 9.1 | 9.0 | 10.2 | 10.2 | 7.6 | 9.4 | 5.7 | 9.8 | 9.1 | 8.9 | 8.3 |
| Precipitation (mm) | 1 | 26 | 19 | 30 | 104 | 343 | 257 | 524 | 206 | 116 | 91 | 36 |
| Sunny days | 24 | 14 | 17 | 20 | 9 | 0 | 2 | 0 | 0 | 9 | 15 | 8 |
| Rainy days | 7 | 14 | 14 | 10 | 22 | 30 | 29 | 31 | 30 | 22 | 15 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cha Kham Sen is at