Average annual temperature is 20.1 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: 4.1 °C
Number of sunny days: 108 days
Number of rainy days: 257 days
Look at detailed online map of Pha Sa
* Weather data for Pha Sa 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) | 26.9 | 27.7 | 32.1 | 30.5 | 32.7 | 29.7 | 29.5 | 29.5 | 29.0 | 28.6 | 27.9 | 27.3 |
| Average daytime temperature (°C) | 22.0 | 24.9 | 27.2 | 28.4 | 28.3 | 25.3 | 26.5 | 24.4 | 25.6 | 26.3 | 25.6 | 23.9 |
| Average temperature (°C) | 14.5 | 17.5 | 20.0 | 22.4 | 23.0 | 21.8 | 22.2 | 21.4 | 21.4 | 20.8 | 18.8 | 16.7 |
| Average night temperature (°C) | 8.0 | 11.2 | 13.7 | 17.3 | 18.9 | 19.3 | 19.2 | 19.2 | 18.3 | 16.6 | 13.8 | 11.1 |
| Absolute minimum temperature (°C) | 4.1 | 5.5 | 10.3 | 15.5 | 16.5 | 18.1 | 17.8 | 16.3 | 17.1 | 13.2 | 9.2 | 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.1 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| 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 | 10.0 |
| Sunshine mean duration (h) | 9.7 | 10.3 | 10.2 | 10.8 | 10.0 | 6.8 | 9.5 | 5.2 | 7.7 | 10.2 | 10.2 | 9.8 |
| Precipitation (mm) | 2 | 25 | 30 | 63 | 159 | 307 | 237 | 477 | 365 | 96 | 13 | 12 |
| Sunny days | 26 | 18 | 13 | 3 | 1 | 0 | 0 | 1 | 0 | 7 | 18 | 21 |
| Rainy days | 5 | 10 | 18 | 27 | 30 | 30 | 31 | 30 | 30 | 24 | 12 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Pha Sa is at