Average annual temperature is 9.3 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -14.3 °C
Number of sunny days: 110 days
Number of rainy days: 223 days
Number of snow days: 32 days
Look at detailed online map of Hammer
* Weather data for Hammer Germany is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.5 | 14.9 | 18.6 | 19.2 | 22.9 | 33.9 | 31.9 | 30.9 | 26.1 | 25.2 | 14.6 | 12.1 |
| Average daytime temperature (°C) | 4.1 | 5.9 | 9.5 | 9.3 | 15.6 | 22.4 | 23.4 | 22.2 | 21.5 | 17.8 | 7.5 | 5.9 |
| Average temperature (°C) | 0.7 | 0.6 | 4.5 | 5.4 | 11.7 | 17.3 | 18.3 | 17.6 | 16.7 | 12.4 | 3.6 | 2.3 |
| Average night temperature (°C) | -2.6 | -4.0 | 0.4 | 1.8 | 7.4 | 12.1 | 13.8 | 13.5 | 12.5 | 7.9 | 0.2 | -1.2 |
| Absolute minimum temperature (°C) | -10.5 | -14.3 | -5.9 | -4.9 | 3.2 | 8.6 | 7.6 | 7.3 | 6.3 | 1.0 | -8.3 | -11.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.9 | 6.1 | 5.9 | 6.4 | 9.0 | 12.3 | 11.1 | 8.8 | 9.8 | 7.6 | 4.5 | 3.4 |
| Precipitation (mm) | 73 | 103 | 137 | 173 | 203 | 84 | 226 | 247 | 62 | 74 | 227 | 199 |
| Sunny days | 10 | 16 | 8 | 5 | 5 | 8 | 7 | 7 | 15 | 15 | 3 | 11 |
| Rainy days | 8 | 8 | 15 | 24 | 26 | 22 | 24 | 24 | 15 | 16 | 24 | 17 |
| Snow days | 13 | 4 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The best time to visit Hammer during the most sunny months:
Months with the longest average daylight duration in Hammer:
The largest precipitation sum in Hammer is at