Average annual temperature is 26.1 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 10.0 °C
Number of sunny days: 139 days
Number of rainy days: 226 days
Look at detailed online map of Viengkham
* Weather data for Viengkham 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) | 31.6 | 35.9 | 38.2 | 40.0 | 40.7 | 36.3 | 35.9 | 35.2 | 33.5 | 33.1 | 32.9 | 32.3 |
| Average daytime temperature (°C) | 27.0 | 31.2 | 33.5 | 37.1 | 34.8 | 31.3 | 31.9 | 30.1 | 30.0 | 30.7 | 30.4 | 28.5 |
| Average temperature (°C) | 21.0 | 24.8 | 26.7 | 30.1 | 29.1 | 26.8 | 27.3 | 26.3 | 26.1 | 26.2 | 25.2 | 23.2 |
| Average night temperature (°C) | 15.1 | 18.4 | 20.8 | 24.4 | 24.7 | 23.7 | 23.9 | 23.6 | 23.3 | 22.8 | 20.7 | 18.4 |
| Absolute minimum temperature (°C) | 10.0 | 13.1 | 17.7 | 21.5 | 22.6 | 23.0 | 22.7 | 22.9 | 22.6 | 21.3 | 16.8 | 11.7 |
| 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 | 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) | 9.8 | 10.5 | 10.1 | 10.6 | 10.2 | 7.8 | 8.8 | 5.8 | 7.2 | 9.5 | 10.1 | 9.9 |
| Precipitation (mm) | 1 | 5 | 26 | 51 | 235 | 576 | 466 | 498 | 655 | 261 | 27 | 22 |
| Sunny days | 28 | 24 | 24 | 15 | 4 | 0 | 0 | 0 | 0 | 3 | 17 | 24 |
| Rainy days | 3 | 4 | 7 | 15 | 27 | 30 | 31 | 31 | 30 | 28 | 13 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Viengkham is at