Average annual temperature is 26.6 °C
Absolute maximum temperature: 41.5 °C
Absolute minimum temperature: 11.6 °C
Number of sunny days: 155 days
Number of rainy days: 210 days
Look at detailed online map of Kon Sao
* Weather data for Kon Sao 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) | 31.8 | 35.6 | 39.9 | 41.0 | 41.5 | 36.8 | 35.3 | 35.0 | 33.2 | 32.4 | 32.5 | 33.2 |
| Average daytime temperature (°C) | 27.4 | 31.6 | 34.7 | 37.9 | 35.1 | 32.4 | 32.3 | 31.1 | 30.3 | 30.4 | 30.2 | 29.5 |
| Average temperature (°C) | 21.3 | 25.0 | 27.7 | 31.1 | 29.4 | 28.0 | 27.8 | 27.1 | 26.4 | 26.1 | 25.1 | 23.8 |
| Average night temperature (°C) | 15.3 | 18.2 | 21.3 | 25.0 | 25.0 | 24.6 | 24.5 | 24.2 | 23.7 | 22.8 | 20.6 | 18.5 |
| Absolute minimum temperature (°C) | 11.6 | 12.5 | 16.7 | 23.0 | 22.8 | 23.6 | 23.5 | 22.9 | 23.0 | 21.1 | 16.6 | 12.9 |
| 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) | 9.5 | 10.6 | 10.5 | 10.9 | 10.3 | 8.4 | 9.0 | 6.6 | 6.7 | 8.9 | 9.9 | 10.0 |
| Precipitation (mm) | 4 | 5 | 8 | 44 | 175 | 283 | 236 | 231 | 413 | 265 | 18 | 2 |
| Sunny days | 29 | 20 | 26 | 20 | 4 | 1 | 1 | 3 | 0 | 5 | 19 | 27 |
| Rainy days | 2 | 8 | 5 | 10 | 27 | 29 | 30 | 28 | 30 | 26 | 11 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kon Sao is at