Average annual temperature is 20.7 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: 4.0 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of Sn. T. Souy
* Weather data for Sn. T. Souy 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) | 25.1 | 29.0 | 31.4 | 33.5 | 32.9 | 30.5 | 29.8 | 29.8 | 27.9 | 28.0 | 26.7 | 26.7 |
| Average daytime temperature (°C) | 21.3 | 24.8 | 27.3 | 30.9 | 28.7 | 27.1 | 27.5 | 25.9 | 25.8 | 25.5 | 24.1 | 23.5 |
| Average temperature (°C) | 14.9 | 18.2 | 20.7 | 24.2 | 23.5 | 22.5 | 23.0 | 22.0 | 21.9 | 20.7 | 18.8 | 17.3 |
| Average night temperature (°C) | 9.0 | 12.6 | 15.3 | 19.2 | 19.8 | 19.5 | 19.7 | 19.5 | 19.0 | 16.9 | 14.6 | 12.2 |
| Absolute minimum temperature (°C) | 4.0 | 7.8 | 10.8 | 16.2 | 17.4 | 18.8 | 18.6 | 18.4 | 17.9 | 14.0 | 10.3 | 4.4 |
| 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 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.7 | 10.3 | 10.3 | 11.2 | 10.9 | 8.1 | 10.7 | 6.7 | 8.6 | 9.5 | 9.9 | 9.7 |
| Precipitation (mm) | 5 | 16 | 26 | 69 | 165 | 238 | 192 | 349 | 175 | 80 | 45 | 15 |
| Sunny days | 23 | 16 | 11 | 10 | 1 | 0 | 0 | 1 | 1 | 8 | 15 | 15 |
| Rainy days | 8 | 12 | 20 | 20 | 30 | 30 | 31 | 30 | 29 | 23 | 15 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sn. T. Souy is at