Average annual temperature is 4.2 °C
Absolute maximum temperature: 27.7 °C
Absolute minimum temperature: -16.4 °C
Number of sunny days: 124 days
Number of rainy days: 177 days
Number of snow days: 64 days
Look at detailed online map of Isokylä
* Weather data for Isokylä 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) | 2.9 | 3.8 | 3.5 | 16.2 | 21.7 | 27.7 | 23.1 | 27.1 | 21.6 | 11.3 | 3.7 | 2.4 |
| Average daytime temperature (°C) | -2.1 | -2.0 | -1.4 | 7.1 | 14.2 | 19.7 | 19.1 | 19.6 | 16.4 | 3.7 | -1.9 | -5.2 |
| Average temperature (°C) | -3.7 | -4.3 | -4.7 | 1.3 | 9.4 | 15.2 | 15.7 | 16.2 | 13.4 | 1.5 | -3.6 | -6.6 |
| Average night temperature (°C) | -5.4 | -6.8 | -7.9 | -3.0 | 3.9 | 9.7 | 12.2 | 12.9 | 10.4 | -0.7 | -5.0 | -8.0 |
| Absolute minimum temperature (°C) | -14.3 | -15.6 | -16.4 | -9.6 | -4.0 | -0.5 | 10.4 | 8.9 | 4.9 | -7.5 | -15.6 | -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 | 19.0 | 20.0 | 20.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 |
| Daylight mean duration (h) | 6.0 | 8.8 | 11.8 | 14.9 | 18.0 | 20.0 | 19.0 | 16.1 | 13.0 | 9.9 | 6.9 | 5.0 |
| 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) | 0.7 | 2.6 | 4.9 | 10.3 | 11.4 | 14.3 | 10.6 | 9.9 | 6.3 | 3.0 | 0.0 | 0.4 |
| Precipitation (mm) | 66 | 27 | 47 | 41 | 48 | 49 | 156 | 113 | 113 | 61 | 71 | 38 |
| Sunny days | 9 | 12 | 9 | 22 | 12 | 12 | 5 | 4 | 8 | 13 | 8 | 10 |
| Rainy days | 12 | 6 | 8 | 8 | 17 | 18 | 26 | 27 | 22 | 14 | 14 | 5 |
| Snow days | 10 | 10 | 14 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 8 | 16 |
The best time to visit Isokylä during the most sunny months:
Months with the longest average daylight duration in Isokylä:
The largest precipitation sum in Isokylä is at