Average annual temperature is 3.2 °C
Absolute maximum temperature: 29.0 °C
Absolute minimum temperature: -24.1 °C
Number of sunny days: 137 days
Number of rainy days: 148 days
Number of snow days: 80 days
Look at detailed online map of Haapakoski
* Weather data for Haapakoski 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) | 5.2 | 3.6 | 1.4 | 12.7 | 23.2 | 27.0 | 25.5 | 29.0 | 20.4 | 10.5 | 3.6 | 2.1 |
| Average daytime temperature (°C) | -2.5 | -3.1 | -3.6 | 6.1 | 12.8 | 18.7 | 19.1 | 20.3 | 15.1 | 2.2 | -2.9 | -5.8 |
| Average temperature (°C) | -4.4 | -5.6 | -7.1 | 0.7 | 8.0 | 14.7 | 15.5 | 16.4 | 12.1 | -0.1 | -4.9 | -7.4 |
| Average night temperature (°C) | -6.6 | -8.1 | -10.9 | -3.9 | 2.5 | 9.5 | 11.4 | 12.4 | 9.1 | -2.3 | -7.4 | -9.5 |
| Absolute minimum temperature (°C) | -18.6 | -17.4 | -24.1 | -11.4 | -5.4 | 2.7 | 8.4 | 6.9 | 1.5 | -10.7 | -16.2 | -17.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 6.0 | 9.0 | 13.0 | 17.0 | 20.0 | 22.0 | 22.0 | 18.0 | 14.0 | 11.0 | 7.0 | 4.0 |
| Daylight mean duration (h) | 5.0 | 8.3 | 11.8 | 15.3 | 19.0 | 22.1 | 20.3 | 16.6 | 13.1 | 9.6 | 6.1 | 3.7 |
| Daylight minimum duration (h) | 3.0 | 6.0 | 10.0 | 13.0 | 17.0 | 20.0 | 18.0 | 14.0 | 11.0 | 7.0 | 4.0 | 3.0 |
| Sunshine mean duration (h) | 0.7 | 1.7 | 5.9 | 10.6 | 12.3 | 14.2 | 10.0 | 10.2 | 5.8 | 3.1 | 0.6 | 0.1 |
| Precipitation (mm) | 64 | 23 | 45 | 38 | 43 | 68 | 129 | 96 | 138 | 92 | 39 | 33 |
| Sunny days | 9 | 11 | 10 | 19 | 16 | 16 | 5 | 9 | 4 | 14 | 12 | 12 |
| Rainy days | 10 | 2 | 2 | 7 | 13 | 14 | 26 | 22 | 26 | 14 | 9 | 3 |
| Snow days | 12 | 15 | 19 | 4 | 2 | 0 | 0 | 0 | 0 | 3 | 9 | 16 |
The best time to visit Haapakoski during the most sunny months:
Months with the longest average daylight duration in Haapakoski:
The largest precipitation sum in Haapakoski is at