Average annual temperature is 18.5 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: 1.3 °C
Number of sunny days: 73 days
Number of rainy days: 292 days
Look at detailed online map of Nậm Vài
* Weather data for Nậm Vài 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) | 22.5 | 23.9 | 29.1 | 30.1 | 33.2 | 31.6 | 31.8 | 28.3 | 28.8 | 27.0 | 24.0 | 21.8 |
| Average daytime temperature (°C) | 14.7 | 17.7 | 20.4 | 24.6 | 27.0 | 27.2 | 27.7 | 26.0 | 25.7 | 23.3 | 19.8 | 15.9 |
| Average temperature (°C) | 10.3 | 14.4 | 16.6 | 20.4 | 22.6 | 22.7 | 23.2 | 22.1 | 21.6 | 19.6 | 16.2 | 12.7 |
| Average night temperature (°C) | 5.4 | 11.2 | 13.1 | 17.3 | 19.0 | 19.8 | 20.0 | 19.3 | 18.6 | 16.2 | 13.0 | 9.8 |
| Absolute minimum temperature (°C) | 1.3 | 4.6 | 8.2 | 13.1 | 15.1 | 17.7 | 17.6 | 14.9 | 17.2 | 12.5 | 7.4 | 2.9 |
| 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) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 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) | 7.2 | 5.4 | 5.2 | 7.8 | 8.5 | 9.3 | 10.5 | 8.8 | 9.3 | 8.8 | 7.7 | 5.2 |
| Precipitation (mm) | 11 | 115 | 64 | 141 | 244 | 646 | 365 | 597 | 326 | 142 | 114 | 67 |
| Sunny days | 18 | 9 | 6 | 4 | 4 | 2 | 1 | 0 | 1 | 6 | 8 | 14 |
| Rainy days | 13 | 19 | 25 | 26 | 27 | 28 | 30 | 31 | 29 | 25 | 22 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Nậm Vài during the most sunny months:
The largest precipitation sum in Nậm Vài is at