Average annual temperature is 22.1 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: 5.4 °C
Number of sunny days: 122 days
Number of rainy days: 243 days
Look at detailed online map of Ban Houay Séo
* Weather data for Ban Houay Séo 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) | 27.0 | 28.7 | 32.0 | 35.5 | 35.0 | 35.2 | 32.3 | 30.7 | 30.6 | 29.4 | 29.0 | 27.9 |
| Average daytime temperature (°C) | 23.0 | 26.0 | 27.9 | 31.8 | 31.3 | 28.9 | 29.1 | 26.5 | 27.7 | 27.3 | 26.1 | 24.2 |
| Average temperature (°C) | 16.4 | 19.5 | 21.6 | 25.3 | 25.7 | 24.3 | 24.6 | 23.1 | 23.4 | 22.4 | 20.2 | 18.5 |
| Average night temperature (°C) | 9.5 | 13.1 | 15.9 | 19.8 | 21.4 | 21.1 | 21.2 | 20.6 | 20.3 | 18.1 | 15.3 | 13.0 |
| Absolute minimum temperature (°C) | 5.4 | 8.6 | 11.4 | 16.7 | 18.3 | 20.3 | 20.3 | 18.9 | 19.3 | 14.6 | 10.7 | 5.8 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.7 | 10.4 | 9.4 | 10.3 | 10.9 | 8.5 | 10.1 | 7.2 | 9.1 | 10.1 | 10.0 | 9.8 |
| Precipitation (mm) | 4 | 17 | 41 | 75 | 110 | 387 | 328 | 538 | 319 | 70 | 31 | 21 |
| Sunny days | 26 | 17 | 11 | 15 | 6 | 0 | 0 | 0 | 1 | 12 | 17 | 17 |
| Rainy days | 5 | 11 | 20 | 15 | 25 | 30 | 31 | 31 | 29 | 19 | 13 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ban Houay Séo is at