Average annual temperature is 5.3 °C
Absolute maximum temperature: 28.9 °C
Absolute minimum temperature: -15.8 °C
Number of sunny days: 117 days
Number of rainy days: 176 days
Number of snow days: 72 days
Look at detailed online map of Harmoinen
* Weather data for Harmoinen 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) | 2.8 | 5.0 | 4.8 | 16.9 | 23.4 | 27.7 | 24.8 | 28.9 | 21.6 | 13.4 | 6.3 | 2.6 |
| Average daytime temperature (°C) | -1.1 | -1.2 | -0.3 | 9.2 | 15.0 | 20.4 | 20.1 | 20.0 | 17.5 | 4.9 | -0.4 | -4.2 |
| Average temperature (°C) | -2.8 | -3.3 | -3.3 | 3.6 | 10.1 | 15.8 | 16.7 | 16.7 | 14.2 | 3.0 | -1.8 | -5.7 |
| Average night temperature (°C) | -4.4 | -6.2 | -6.7 | -1.5 | 4.6 | 10.6 | 13.3 | 13.6 | 11.3 | 1.2 | -3.4 | -7.4 |
| Absolute minimum temperature (°C) | -12.1 | -14.3 | -15.8 | -9.0 | -2.5 | 1.9 | 11.4 | 11.0 | 7.0 | -5.3 | -13.8 | -12.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.0 | 10.0 | 13.0 | 16.0 | 18.0 | 19.0 | 19.0 | 17.0 | 14.0 | 11.0 | 8.0 | 6.0 |
| Daylight mean duration (h) | 6.5 | 9.0 | 11.8 | 14.8 | 17.6 | 19.3 | 18.4 | 15.8 | 12.9 | 10.0 | 7.2 | 5.5 |
| Daylight minimum duration (h) | 5.0 | 7.0 | 10.0 | 13.0 | 16.0 | 18.0 | 17.0 | 14.0 | 11.0 | 8.0 | 6.0 | 5.0 |
| Sunshine mean duration (h) | 0.6 | 2.5 | 5.2 | 11.6 | 12.4 | 14.8 | 12.3 | 9.6 | 6.9 | 4.5 | 0.2 | 0.4 |
| Precipitation (mm) | 69 | 28 | 86 | 20 | 43 | 35 | 112 | 137 | 78 | 109 | 82 | 44 |
| Sunny days | 7 | 11 | 9 | 23 | 13 | 14 | 5 | 7 | 11 | 8 | 3 | 6 |
| Rainy days | 11 | 3 | 9 | 7 | 16 | 16 | 26 | 24 | 19 | 19 | 17 | 9 |
| Snow days | 13 | 14 | 13 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 10 | 16 |
The best time to visit Harmoinen during the most sunny months:
Months with the longest average daylight duration in Harmoinen:
The largest precipitation sum in Harmoinen is at