Average annual temperature is 1.2 °C
Absolute maximum temperature: 26.4 °C
Absolute minimum temperature: -21.5 °C
Number of sunny days: 137 days
Number of rainy days: 133 days
Number of snow days: 95 days
Look at detailed online map of Hietajoensuu
* Weather data for Hietajoensuu 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) | 1.3 | 4.3 | 1.9 | 9.6 | 19.9 | 24.6 | 26.4 | 25.7 | 20.1 | 7.9 | -0.3 | -1.4 |
| Average daytime temperature (°C) | -4.0 | -3.2 | -6.6 | 3.6 | 10.6 | 15.7 | 16.4 | 17.2 | 11.9 | 1.0 | -4.9 | -7.4 |
| Average temperature (°C) | -6.4 | -6.4 | -10.2 | -0.1 | 6.5 | 11.8 | 13.4 | 14.1 | 9.3 | -1.0 | -7.3 | -9.8 |
| Average night temperature (°C) | -9.2 | -9.2 | -13.9 | -3.6 | 1.8 | 7.1 | 10.1 | 10.5 | 6.2 | -3.1 | -10.5 | -12.8 |
| Absolute minimum temperature (°C) | -19.5 | -21.5 | -21.4 | -9.7 | -6.5 | 1.4 | 5.1 | 3.7 | -0.2 | -9.1 | -19.0 | -19.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 5.0 | 9.0 | 13.0 | 18.0 | 24.0 | 24.0 | 24.0 | 20.0 | 15.0 | 11.0 | 6.0 | 0.0 |
| Daylight mean duration (h) | 2.1 | 7.5 | 11.7 | 16.1 | 21.7 | 24.0 | 23.4 | 17.8 | 13.3 | 9.1 | 4.2 | 0.0 |
| Daylight minimum duration (h) | 0.0 | 5.0 | 9.0 | 13.0 | 18.0 | 24.0 | 20.0 | 15.0 | 11.0 | 6.0 | 0.0 | 0.0 |
| Sunshine mean duration (h) | 0.4 | 1.5 | 6.4 | 10.9 | 11.8 | 15.4 | 8.8 | 9.3 | 4.5 | 3.3 | 0.8 | 0.0 |
| Precipitation (mm) | 34 | 31 | 34 | 19 | 66 | 41 | 92 | 95 | 111 | 29 | 24 | 31 |
| Sunny days | 7 | 8 | 13 | 16 | 8 | 19 | 8 | 9 | 4 | 13 | 15 | 17 |
| Rainy days | 2 | 4 | 2 | 7 | 19 | 11 | 23 | 22 | 26 | 11 | 2 | 4 |
| Snow days | 22 | 16 | 16 | 7 | 4 | 0 | 0 | 0 | 0 | 7 | 13 | 10 |
The best time to visit Hietajoensuu during the most sunny months:
Months with the longest average daylight duration in Hietajoensuu:
The largest precipitation sum in Hietajoensuu is at