Average annual temperature is 22.2 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 5.7 °C
Number of sunny days: 148 days
Number of rainy days: 217 days
Look at detailed online map of Ouei Lan
* Weather data for Ouei Lan 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) | 25.7 | 30.0 | 32.7 | 38.3 | 37.0 | 37.4 | 34.1 | 29.9 | 31.7 | 29.9 | 30.0 | 29.4 |
| Average daytime temperature (°C) | 20.0 | 24.7 | 27.1 | 31.8 | 32.0 | 30.0 | 29.7 | 27.8 | 28.9 | 27.8 | 25.8 | 23.2 |
| Average temperature (°C) | 14.5 | 18.5 | 20.7 | 25.1 | 26.3 | 25.4 | 25.5 | 24.4 | 24.9 | 23.2 | 20.5 | 17.9 |
| Average night temperature (°C) | 9.5 | 13.2 | 15.8 | 19.7 | 21.6 | 22.0 | 22.0 | 21.7 | 21.6 | 19.3 | 16.1 | 13.5 |
| Absolute minimum temperature (°C) | 5.7 | 9.8 | 13.0 | 16.8 | 18.9 | 20.6 | 19.9 | 20.0 | 19.9 | 17.6 | 12.6 | 7.3 |
| 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 | 13.5 | 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) | 8.8 | 9.6 | 9.9 | 10.8 | 10.5 | 8.9 | 10.3 | 7.0 | 9.6 | 9.7 | 9.4 | 8.6 |
| Precipitation (mm) | 4 | 37 | 55 | 46 | 120 | 409 | 273 | 514 | 133 | 33 | 18 | 9 |
| Sunny days | 26 | 21 | 14 | 16 | 11 | 1 | 1 | 0 | 2 | 16 | 21 | 19 |
| Rainy days | 5 | 7 | 17 | 14 | 20 | 29 | 30 | 31 | 28 | 15 | 9 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ouei Lan is at