Average annual temperature is 22.3 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: 5.0 °C
Number of sunny days: 128 days
Number of rainy days: 237 days
Look at detailed online map of Namthi
* Weather data for Namthi Laos is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.5 | 31.6 | 34.4 | 34.5 | 36.1 | 33.8 | 32.3 | 32.5 | 31.3 | 30.9 | 30.0 | 30.0 |
| Average daytime temperature (°C) | 20.4 | 25.0 | 28.6 | 31.6 | 31.7 | 29.1 | 29.8 | 27.9 | 27.6 | 26.6 | 25.5 | 23.1 |
| Average temperature (°C) | 15.3 | 19.2 | 22.0 | 25.4 | 26.1 | 24.9 | 25.0 | 24.1 | 23.8 | 22.8 | 20.5 | 18.1 |
| Average night temperature (°C) | 11.3 | 14.5 | 16.6 | 20.9 | 22.2 | 22.1 | 21.9 | 21.6 | 20.8 | 19.8 | 16.7 | 14.5 |
| Absolute minimum temperature (°C) | 5.0 | 8.4 | 10.7 | 17.8 | 19.3 | 20.2 | 20.9 | 18.2 | 19.1 | 16.2 | 11.0 | 7.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.2 | 9.4 | 10.5 | 11.1 | 10.2 | 7.9 | 9.3 | 6.8 | 7.2 | 8.4 | 9.2 | 9.1 |
| Precipitation (mm) | 13 | 16 | 31 | 53 | 114 | 190 | 214 | 416 | 350 | 158 | 8 | 1 |
| Sunny days | 21 | 17 | 19 | 10 | 3 | 0 | 0 | 1 | 1 | 8 | 21 | 27 |
| Rainy days | 10 | 11 | 12 | 20 | 28 | 30 | 31 | 30 | 29 | 23 | 9 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Namthi is at