Average annual temperature is 17.6 °C
Absolute maximum temperature: 28.8 °C
Absolute minimum temperature: 2.7 °C
Number of sunny days: 92 days
Number of rainy days: 273 days
Look at detailed online map of Si Lo Lào
* Weather data for Si Lo Lào 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) | 17.5 | 21.0 | 23.8 | 28.8 | 28.7 | 28.3 | 27.8 | 24.9 | 25.3 | 23.8 | 21.6 | 20.3 |
| Average daytime temperature (°C) | 13.9 | 17.7 | 20.1 | 24.7 | 24.5 | 24.0 | 23.9 | 23.0 | 23.6 | 21.4 | 18.6 | 15.9 |
| Average temperature (°C) | 10.7 | 14.4 | 16.6 | 21.0 | 21.3 | 20.6 | 20.5 | 19.9 | 19.9 | 17.9 | 15.2 | 12.8 |
| Average night temperature (°C) | 7.1 | 10.8 | 13.1 | 16.7 | 18.3 | 18.1 | 18.0 | 17.8 | 17.3 | 15.2 | 12.3 | 10.0 |
| Absolute minimum temperature (°C) | 2.7 | 5.8 | 9.8 | 14.1 | 14.2 | 16.9 | 16.8 | 16.4 | 15.9 | 13.2 | 7.8 | 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) | 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) | 7.7 | 8.9 | 9.4 | 10.9 | 10.3 | 9.3 | 10.1 | 7.2 | 10.4 | 9.6 | 9.3 | 7.8 |
| Precipitation (mm) | 7 | 31 | 54 | 36 | 131 | 415 | 356 | 684 | 193 | 147 | 58 | 70 |
| Sunny days | 21 | 14 | 8 | 14 | 9 | 0 | 2 | 1 | 1 | 4 | 8 | 10 |
| Rainy days | 10 | 14 | 23 | 16 | 22 | 30 | 29 | 30 | 29 | 27 | 22 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Si Lo Lào is at