Average annual temperature is 25.5 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 6.9 °C
Number of sunny days: 128 days
Number of rainy days: 237 days
Look at detailed online map of Phou Ithao
* Weather data for Phou Ithao 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) | 31.6 | 34.3 | 37.3 | 38.1 | 39.1 | 35.4 | 34.2 | 34.2 | 34.1 | 33.3 | 34.1 | 33.7 |
| Average daytime temperature (°C) | 25.3 | 29.5 | 32.8 | 35.5 | 34.9 | 31.7 | 31.8 | 30.2 | 30.1 | 31.0 | 30.4 | 28.5 |
| Average temperature (°C) | 19.1 | 23.2 | 25.7 | 29.1 | 29.2 | 27.0 | 27.1 | 26.2 | 26.0 | 26.0 | 24.6 | 22.5 |
| Average night temperature (°C) | 13.9 | 18.2 | 20.1 | 24.3 | 24.9 | 23.9 | 23.8 | 23.6 | 23.3 | 22.3 | 20.0 | 17.8 |
| Absolute minimum temperature (°C) | 6.9 | 12.7 | 16.2 | 20.5 | 21.8 | 22.9 | 22.8 | 22.6 | 22.4 | 19.8 | 14.2 | 11.6 |
| 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 | 12.9 | 13.1 | 13.0 | 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) | 8.9 | 10.2 | 10.7 | 11.2 | 10.5 | 8.6 | 9.4 | 6.5 | 6.6 | 9.4 | 10.1 | 9.8 |
| Precipitation (mm) | 14 | 34 | 20 | 57 | 132 | 469 | 384 | 500 | 618 | 101 | 23 | 2 |
| Sunny days | 24 | 15 | 21 | 10 | 6 | 0 | 0 | 0 | 3 | 2 | 20 | 27 |
| Rainy days | 7 | 13 | 10 | 20 | 25 | 30 | 31 | 31 | 27 | 29 | 10 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Phou Ithao is at