Average annual temperature is 21.6 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: 3.5 °C
Number of sunny days: 104 days
Number of rainy days: 261 days
Look at detailed online map of Sơn Lao
* Weather data for Sơn Lao Vietnam is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.6 | 26.5 | 32.1 | 32.1 | 35.3 | 34.9 | 33.4 | 31.1 | 30.9 | 30.4 | 28.6 | 25.7 |
| Average daytime temperature (°C) | 17.3 | 20.0 | 23.4 | 26.0 | 29.1 | 29.9 | 30.9 | 29.0 | 28.1 | 26.3 | 24.1 | 19.0 |
| Average temperature (°C) | 13.3 | 16.6 | 19.3 | 22.4 | 25.1 | 26.2 | 27.2 | 25.5 | 24.9 | 22.7 | 19.9 | 15.3 |
| Average night temperature (°C) | 9.1 | 13.7 | 15.9 | 19.5 | 21.7 | 23.6 | 24.2 | 23.1 | 22.5 | 19.6 | 16.1 | 11.9 |
| Absolute minimum temperature (°C) | 4.0 | 8.8 | 12.1 | 14.7 | 16.8 | 22.0 | 21.3 | 21.7 | 20.0 | 17.2 | 10.8 | 3.5 |
| 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 | 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) | 6.0 | 4.1 | 4.7 | 5.8 | 9.0 | 8.2 | 10.8 | 7.9 | 8.0 | 9.3 | 8.3 | 5.7 |
| Precipitation (mm) | 9 | 117 | 65 | 72 | 96 | 312 | 135 | 372 | 261 | 61 | 66 | 20 |
| Sunny days | 22 | 7 | 10 | 5 | 6 | 2 | 1 | 3 | 3 | 18 | 15 | 12 |
| Rainy days | 9 | 21 | 21 | 25 | 25 | 28 | 30 | 28 | 27 | 13 | 15 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sơn Lao during the most sunny months:
The largest precipitation sum in Sơn Lao is at