Average annual temperature is 4.1 °C
Absolute maximum temperature: 29.3 °C
Absolute minimum temperature: -18.7 °C
Number of sunny days: 135 days
Number of rainy days: 150 days
Number of snow days: 80 days
Look at detailed online map of Alajoki
* Weather data for Alajoki 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) | 4.4 | 4.4 | 4.2 | 16.3 | 21.4 | 25.7 | 25.6 | 29.3 | 22.4 | 11.3 | 5.3 | 4.3 |
| Average daytime temperature (°C) | -1.1 | -1.0 | -2.5 | 5.7 | 12.0 | 17.9 | 18.7 | 20.2 | 16.0 | 3.9 | -1.2 | -4.4 |
| Average temperature (°C) | -2.8 | -3.4 | -5.6 | 0.8 | 8.2 | 14.2 | 15.7 | 16.6 | 13.3 | 1.6 | -3.4 | -6.2 |
| Average night temperature (°C) | -4.8 | -6.1 | -9.4 | -3.9 | 4.1 | 9.1 | 12.2 | 12.6 | 10.3 | -0.6 | -5.9 | -8.1 |
| Absolute minimum temperature (°C) | -14.9 | -14.8 | -18.7 | -14.5 | -2.4 | 2.2 | 8.5 | 8.0 | 3.4 | -7.8 | -16.8 | -13.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 6.0 | 10.0 | 13.0 | 16.0 | 20.0 | 21.0 | 20.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 |
| Daylight mean duration (h) | 5.6 | 8.6 | 11.8 | 15.1 | 18.5 | 20.8 | 19.6 | 16.3 | 13.0 | 9.8 | 6.5 | 4.4 |
| Daylight minimum duration (h) | 4.0 | 7.0 | 10.0 | 13.0 | 16.0 | 20.0 | 18.0 | 14.0 | 11.0 | 8.0 | 5.0 | 4.0 |
| Sunshine mean duration (h) | 1.2 | 2.9 | 6.4 | 9.7 | 12.8 | 14.6 | 12.2 | 10.8 | 6.4 | 4.7 | 0.8 | 0.1 |
| Precipitation (mm) | 52 | 23 | 35 | 58 | 41 | 33 | 151 | 95 | 103 | 100 | 66 | 44 |
| Sunny days | 8 | 12 | 11 | 20 | 18 | 18 | 6 | 9 | 7 | 12 | 5 | 9 |
| Rainy days | 11 | 3 | 2 | 8 | 11 | 12 | 25 | 22 | 23 | 17 | 10 | 6 |
| Snow days | 12 | 13 | 18 | 2 | 2 | 0 | 0 | 0 | 0 | 2 | 15 | 16 |
The best time to visit Alajoki during the most sunny months:
Months with the longest average daylight duration in Alajoki:
The largest precipitation sum in Alajoki is at