Average annual temperature is 5.1 °C
Absolute maximum temperature: 28.0 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 109 days
Number of rainy days: 181 days
Number of snow days: 75 days
Look at detailed online map of Tammijärvi
* Weather data for Tammijärvi 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) | 2.7 | 4.3 | 4.2 | 16.1 | 21.5 | 27.3 | 23.5 | 28.0 | 20.7 | 12.7 | 5.8 | 2.4 |
| Average daytime temperature (°C) | -1.4 | -1.7 | -0.8 | 8.2 | 14.2 | 19.9 | 19.9 | 19.9 | 16.8 | 4.7 | -0.5 | -4.3 |
| Average temperature (°C) | -3.0 | -3.6 | -3.5 | 2.5 | 9.7 | 15.8 | 16.9 | 16.9 | 14.3 | 2.9 | -2.0 | -5.8 |
| Average night temperature (°C) | -4.7 | -6.4 | -6.3 | -2.1 | 4.5 | 10.9 | 13.6 | 14.0 | 11.8 | 1.0 | -3.5 | -7.2 |
| Absolute minimum temperature (°C) | -12.8 | -15.2 | -15.0 | -8.9 | -2.6 | 1.6 | 10.9 | 10.6 | 7.1 | -5.8 | -14.9 | -12.6 |
| 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 | 5.0 |
| Daylight mean duration (h) | 6.3 | 8.9 | 11.8 | 14.8 | 17.7 | 19.5 | 18.6 | 15.9 | 12.9 | 10.0 | 7.2 | 5.4 |
| Daylight minimum duration (h) | 5.0 | 7.0 | 10.0 | 13.0 | 16.0 | 18.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 | 5.0 |
| Sunshine mean duration (h) | 0.6 | 2.0 | 5.0 | 11.4 | 12.4 | 14.5 | 11.5 | 9.9 | 6.4 | 3.8 | 0.1 | 0.3 |
| Precipitation (mm) | 75 | 31 | 81 | 19 | 49 | 53 | 170 | 123 | 92 | 129 | 68 | 43 |
| Sunny days | 7 | 7 | 6 | 22 | 14 | 14 | 5 | 7 | 8 | 9 | 4 | 6 |
| Rainy days | 10 | 5 | 11 | 8 | 15 | 16 | 26 | 24 | 22 | 18 | 17 | 9 |
| Snow days | 14 | 16 | 14 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 9 | 16 |
The best time to visit Tammijärvi during the most sunny months:
Months with the longest average daylight duration in Tammijärvi:
The largest precipitation sum in Tammijärvi is at