Average annual temperature is 21.2 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: 6.9 °C
Number of sunny days: 108 days
Number of rainy days: 257 days
Look at detailed online map of Thong Sèt
* Weather data for Thong Sèt 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) | 26.6 | 29.2 | 32.5 | 32.9 | 33.5 | 31.2 | 30.3 | 30.8 | 31.9 | 29.6 | 28.7 | 29.7 |
| Average daytime temperature (°C) | 18.4 | 23.1 | 26.5 | 29.7 | 29.9 | 27.5 | 27.9 | 26.2 | 26.7 | 25.5 | 24.0 | 21.2 |
| Average temperature (°C) | 14.2 | 18.5 | 21.0 | 24.4 | 25.1 | 23.5 | 23.7 | 22.7 | 22.6 | 21.9 | 20.0 | 17.2 |
| Average night temperature (°C) | 11.1 | 15.2 | 17.0 | 21.0 | 21.6 | 21.1 | 20.9 | 20.6 | 20.0 | 19.7 | 17.2 | 14.2 |
| Absolute minimum temperature (°C) | 6.9 | 9.8 | 12.9 | 17.2 | 18.1 | 20.0 | 19.2 | 18.6 | 18.1 | 17.3 | 12.9 | 7.0 |
| 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 | 12.5 | 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) | 8.5 | 9.6 | 10.6 | 11.1 | 10.8 | 7.8 | 9.3 | 6.5 | 6.6 | 8.6 | 9.4 | 8.7 |
| Precipitation (mm) | 11 | 38 | 36 | 60 | 80 | 419 | 266 | 425 | 408 | 131 | 15 | 3 |
| Sunny days | 18 | 15 | 15 | 9 | 2 | 0 | 0 | 0 | 1 | 8 | 16 | 24 |
| Rainy days | 13 | 13 | 16 | 21 | 29 | 30 | 31 | 31 | 29 | 23 | 14 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thong Sèt is at