Average annual temperature is 3.8 °C
Absolute maximum temperature: 28.0 °C
Absolute minimum temperature: -20.8 °C
Number of sunny days: 111 days
Number of rainy days: 165 days
Number of snow days: 89 days
Look at detailed online map of Petäys
* Weather data for Petäys Finland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.6 | 3.3 | 3.1 | 15.7 | 22.1 | 27.4 | 24.4 | 28.0 | 21.4 | 11.9 | 2.7 | 2.7 |
| Average daytime temperature (°C) | -2.3 | -3.0 | -2.0 | 7.3 | 14.2 | 19.5 | 18.5 | 20.4 | 16.0 | 3.3 | -2.8 | -5.5 |
| Average temperature (°C) | -4.0 | -5.4 | -5.5 | 1.4 | 9.6 | 15.1 | 15.3 | 16.5 | 13.1 | 1.0 | -4.5 | -7.1 |
| Average night temperature (°C) | -6.0 | -7.9 | -9.6 | -3.6 | 3.9 | 9.6 | 11.6 | 12.4 | 9.9 | -1.1 | -6.5 | -8.6 |
| Absolute minimum temperature (°C) | -19.3 | -17.7 | -20.8 | -13.0 | -4.1 | -1.1 | 9.1 | 7.1 | 3.9 | -8.6 | -18.8 | -14.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.0 | 10.0 | 13.0 | 16.0 | 19.0 | 20.0 | 20.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 |
| Daylight mean duration (h) | 5.7 | 8.6 | 11.8 | 15.0 | 18.3 | 20.5 | 19.3 | 16.2 | 13.0 | 9.8 | 6.7 | 4.6 |
| Daylight minimum duration (h) | 4.0 | 7.0 | 10.0 | 13.0 | 16.0 | 19.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 | 4.0 |
| Sunshine mean duration (h) | 1.1 | 2.2 | 5.0 | 10.1 | 11.9 | 14.4 | 9.6 | 10.4 | 6.0 | 3.0 | 0.2 | 0.2 |
| Precipitation (mm) | 75 | 28 | 64 | 41 | 45 | 71 | 204 | 120 | 142 | 67 | 58 | 45 |
| Sunny days | 8 | 12 | 11 | 22 | 13 | 10 | 4 | 8 | 3 | 10 | 4 | 6 |
| Rainy days | 9 | 1 | 3 | 7 | 17 | 20 | 27 | 23 | 27 | 14 | 12 | 5 |
| Snow days | 14 | 15 | 17 | 1 | 1 | 0 | 0 | 0 | 0 | 7 | 14 | 20 |
The best time to visit Petäys during the most sunny months:
Months with the longest average daylight duration in Petäys:
The largest precipitation sum in Petäys is at