Average annual temperature is 26.9 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 13.6 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of Lao Hai
* Weather data for Lao Hai Thailand is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.5 | 34.7 | 37.9 | 38.5 | 38.6 | 34.4 | 34.1 | 32.7 | 32.1 | 32.2 | 33.1 | 33.3 |
| Average daytime temperature (°C) | 27.2 | 32.1 | 34.2 | 35.9 | 33.8 | 32.1 | 31.5 | 31.0 | 29.9 | 30.7 | 31.1 | 30.3 |
| Average temperature (°C) | 21.6 | 26.0 | 28.0 | 30.7 | 29.2 | 28.0 | 27.5 | 27.5 | 26.4 | 26.6 | 26.1 | 24.9 |
| Average night temperature (°C) | 16.7 | 20.5 | 22.3 | 26.3 | 25.6 | 25.2 | 24.7 | 24.8 | 23.9 | 23.5 | 22.2 | 20.4 |
| Absolute minimum temperature (°C) | 13.6 | 16.1 | 18.1 | 22.5 | 23.3 | 23.9 | 23.4 | 23.2 | 23.1 | 22.1 | 19.0 | 14.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 13.0 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.4 | 10.3 | 10.7 | 10.9 | 10.6 | 9.9 | 9.0 | 8.3 | 6.9 | 9.6 | 10.2 | 9.9 |
| Precipitation (mm) | 24 | 8 | 9 | 52 | 219 | 210 | 319 | 284 | 394 | 232 | 32 | 1 |
| Sunny days | 24 | 21 | 24 | 7 | 7 | 0 | 0 | 3 | 0 | 5 | 18 | 28 |
| Rainy days | 7 | 7 | 7 | 23 | 24 | 30 | 31 | 28 | 30 | 26 | 12 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lao Hai is at