Average annual temperature is 25.1 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 7.2 °C
Number of sunny days: 97 days
Number of rainy days: 268 days
Look at detailed online map of Sòn La
* Weather data for Sòn La 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) | 31.7 | 34.3 | 38.9 | 38.0 | 40.1 | 39.8 | 40.5 | 37.4 | 37.5 | 32.8 | 31.0 | 29.2 |
| Average daytime temperature (°C) | 20.9 | 24.8 | 27.8 | 31.9 | 33.7 | 35.1 | 36.3 | 32.9 | 31.4 | 28.8 | 26.2 | 22.5 |
| Average temperature (°C) | 17.0 | 20.7 | 22.9 | 26.7 | 28.7 | 30.4 | 31.0 | 28.9 | 27.5 | 25.5 | 22.6 | 19.4 |
| Average night temperature (°C) | 13.3 | 17.4 | 18.8 | 22.7 | 25.0 | 26.7 | 26.9 | 25.6 | 24.7 | 23.0 | 19.5 | 16.6 |
| Absolute minimum temperature (°C) | 7.2 | 11.0 | 13.4 | 19.2 | 21.2 | 24.1 | 24.7 | 24.3 | 23.3 | 20.8 | 14.2 | 8.1 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.8 | 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 | 10.0 |
| Sunshine mean duration (h) | 4.4 | 4.7 | 6.6 | 7.4 | 10.0 | 9.5 | 10.6 | 7.5 | 7.5 | 5.9 | 7.4 | 4.4 |
| Precipitation (mm) | 34 | 50 | 58 | 96 | 116 | 118 | 124 | 158 | 397 | 299 | 203 | 64 |
| Sunny days | 15 | 7 | 7 | 12 | 9 | 5 | 5 | 8 | 0 | 7 | 9 | 13 |
| Rainy days | 16 | 21 | 24 | 18 | 22 | 25 | 26 | 23 | 30 | 24 | 21 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sòn La during the most sunny months:
The largest precipitation sum in Sòn La is at