Average annual temperature is 21.1 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: 5.0 °C
Number of sunny days: 89 days
Number of rainy days: 276 days
Look at detailed online map of Lao San Chay
* Weather data for Lao San Chay 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) | 22.6 | 26.4 | 29.4 | 34.2 | 33.3 | 33.1 | 30.3 | 28.9 | 29.5 | 28.2 | 26.7 | 24.9 |
| Average daytime temperature (°C) | 18.3 | 22.4 | 24.6 | 29.6 | 29.3 | 27.7 | 28.0 | 26.6 | 27.0 | 25.5 | 23.1 | 20.9 |
| Average temperature (°C) | 14.1 | 17.7 | 19.8 | 24.4 | 25.0 | 23.9 | 24.3 | 23.4 | 23.3 | 21.3 | 18.8 | 16.8 |
| Average night temperature (°C) | 9.6 | 13.0 | 15.5 | 20.0 | 21.5 | 21.2 | 21.5 | 21.2 | 20.5 | 17.9 | 15.4 | 13.0 |
| Absolute minimum temperature (°C) | 5.0 | 8.8 | 11.6 | 16.5 | 18.6 | 20.0 | 20.0 | 19.1 | 18.5 | 15.1 | 10.6 | 5.7 |
| 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) | 8.9 | 9.8 | 9.8 | 10.8 | 10.7 | 9.1 | 10.4 | 7.4 | 9.7 | 9.7 | 9.6 | 8.6 |
| Precipitation (mm) | 4 | 65 | 101 | 56 | 162 | 421 | 332 | 711 | 193 | 110 | 55 | 28 |
| Sunny days | 24 | 12 | 4 | 10 | 6 | 0 | 2 | 2 | 3 | 2 | 11 | 13 |
| Rainy days | 7 | 16 | 27 | 20 | 25 | 30 | 29 | 29 | 27 | 29 | 19 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lao San Chay is at