Average annual temperature is 6.6 °C
Absolute maximum temperature: 28.1 °C
Absolute minimum temperature: -19.3 °C
Number of sunny days: 131 days
Number of rainy days: 185 days
Number of snow days: 49 days
Look at detailed online map of Östhammars Kommun
* Weather data for Östhammars Kommun Sweden is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 6.0 | 7.9 | 11.5 | 19.1 | 24.3 | 28.1 | 23.8 | 25.3 | 24.3 | 16.2 | 8.9 | 6.9 |
| Average daytime temperature (°C) | 1.8 | 2.2 | 2.9 | 9.0 | 17.2 | 22.0 | 20.8 | 19.8 | 18.8 | 8.4 | 2.8 | -0.8 |
| Average temperature (°C) | -0.2 | -0.6 | -1.6 | 3.4 | 11.4 | 16.5 | 16.3 | 16.1 | 14.8 | 5.6 | 1.0 | -3.6 |
| Average night temperature (°C) | -2.4 | -3.9 | -7.2 | -2.0 | 4.9 | 10.0 | 11.7 | 12.5 | 10.8 | 2.7 | -1.1 | -7.3 |
| Absolute minimum temperature (°C) | -7.2 | -11.1 | -19.3 | -13.9 | -3.2 | 2.8 | 9.7 | 9.7 | 3.1 | -2.1 | -8.5 | -18.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.0 | 10.0 | 13.0 | 15.0 | 18.0 | 18.0 | 18.0 | 16.0 | 14.0 | 11.0 | 8.0 | 6.0 |
| Daylight mean duration (h) | 6.8 | 9.1 | 11.8 | 14.6 | 17.2 | 18.8 | 18.0 | 15.6 | 12.9 | 10.1 | 7.5 | 6.0 |
| Daylight minimum duration (h) | 5.0 | 7.0 | 10.0 | 13.0 | 16.0 | 18.0 | 16.0 | 14.0 | 11.0 | 8.0 | 6.0 | 5.0 |
| Sunshine mean duration (h) | 2.1 | 3.3 | 5.2 | 9.7 | 13.3 | 14.9 | 13.4 | 8.5 | 8.0 | 4.8 | 0.8 | 0.5 |
| Precipitation (mm) | 54 | 34 | 80 | 22 | 28 | 24 | 169 | 153 | 49 | 81 | 110 | 79 |
| Sunny days | 13 | 11 | 10 | 17 | 19 | 17 | 5 | 6 | 12 | 10 | 5 | 6 |
| Rainy days | 15 | 5 | 12 | 11 | 11 | 13 | 26 | 25 | 18 | 20 | 18 | 11 |
| Snow days | 3 | 12 | 9 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 7 | 14 |
The best time to visit Östhammars Kommun during the most sunny months:
Months with the longest average daylight duration in Östhammars Kommun:
The largest precipitation sum in Östhammars Kommun is at