Average annual temperature is 25.9 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 12.4 °C
Number of sunny days: 146 days
Number of rainy days: 219 days
Look at detailed online map of Phayao
* Weather data for Phayao Thailand is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.4 | 32.4 | 36.9 | 38.9 | 40.2 | 37.9 | 37.4 | 32.9 | 32.5 | 31.4 | 30.3 | 30.7 |
| Average daytime temperature (°C) | 26.8 | 29.9 | 33.1 | 36.7 | 35.4 | 32.3 | 32.8 | 30.4 | 29.7 | 28.6 | 27.9 | 27.6 |
| Average temperature (°C) | 20.9 | 23.4 | 26.2 | 29.7 | 29.6 | 27.8 | 28.1 | 26.7 | 26.1 | 25.3 | 23.9 | 23.1 |
| Average night temperature (°C) | 15.4 | 17.6 | 20.2 | 23.3 | 24.9 | 24.5 | 24.4 | 23.7 | 23.4 | 22.5 | 20.0 | 18.7 |
| Absolute minimum temperature (°C) | 12.4 | 14.6 | 17.6 | 20.0 | 22.4 | 23.0 | 23.3 | 22.2 | 22.5 | 20.9 | 16.7 | 13.4 |
| 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 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.1 | 10.3 | 10.2 | 11.0 | 10.5 | 9.5 | 9.7 | 7.4 | 8.1 | 9.2 | 9.9 | 9.9 |
| Precipitation (mm) | 1 | 4 | 10 | 28 | 167 | 282 | 179 | 293 | 369 | 252 | 57 | 9 |
| Sunny days | 28 | 21 | 27 | 23 | 7 | 0 | 0 | 0 | 1 | 0 | 17 | 22 |
| Rainy days | 3 | 7 | 4 | 7 | 24 | 30 | 31 | 31 | 29 | 31 | 13 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Phayao is at