Average annual temperature is 7.1 °C
Absolute maximum temperature: 28.1 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 144 days
Number of rainy days: 178 days
Number of snow days: 43 days
Look at detailed online map of Österhammar
* Weather data for Österhammar 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) | 5.9 | 9.2 | 11.0 | 19.8 | 23.8 | 28.1 | 26.1 | 23.2 | 23.0 | 17.0 | 7.4 | 6.3 |
| Average daytime temperature (°C) | 2.0 | 3.1 | 3.6 | 11.0 | 17.6 | 23.7 | 20.2 | 19.4 | 18.7 | 8.5 | 2.0 | -1.5 |
| Average temperature (°C) | -0.1 | 0.0 | -0.4 | 5.3 | 12.2 | 18.4 | 16.3 | 15.9 | 15.0 | 5.8 | 0.2 | -3.8 |
| Average night temperature (°C) | -2.2 | -2.5 | -4.7 | -0.1 | 5.8 | 11.8 | 12.3 | 12.5 | 11.4 | 3.2 | -1.8 | -7.1 |
| Absolute minimum temperature (°C) | -8.8 | -8.1 | -13.4 | -9.8 | -1.6 | 4.9 | 8.9 | 9.6 | 6.5 | -1.2 | -7.9 | -15.2 |
| 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) | 7.0 | 9.2 | 11.8 | 14.5 | 17.1 | 18.5 | 17.8 | 15.5 | 12.9 | 10.2 | 7.7 | 6.2 |
| Daylight minimum duration (h) | 6.0 | 8.0 | 10.0 | 13.0 | 15.0 | 18.0 | 16.0 | 14.0 | 11.0 | 8.0 | 6.0 | 6.0 |
| Sunshine mean duration (h) | 1.6 | 4.2 | 5.4 | 9.8 | 13.6 | 14.2 | 12.5 | 7.7 | 7.5 | 4.9 | 1.4 | 0.8 |
| Precipitation (mm) | 92 | 32 | 60 | 30 | 29 | 35 | 118 | 192 | 62 | 58 | 69 | 75 |
| Sunny days | 9 | 17 | 8 | 15 | 23 | 22 | 4 | 3 | 12 | 12 | 10 | 9 |
| Rainy days | 17 | 6 | 11 | 14 | 8 | 8 | 27 | 28 | 18 | 17 | 15 | 9 |
| Snow days | 5 | 5 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 13 |
The best time to visit Österhammar during the most sunny months:
Months with the longest average daylight duration in Österhammar:
The largest precipitation sum in Österhammar is at