Average annual temperature is 10.5 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 134 days
Number of rainy days: 214 days
Number of snow days: 17 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) | 16.5 | 10.7 | 16.6 | 19.6 | 26.8 | 29.1 | 32.9 | 29.2 | 29.6 | 23.5 | 13.2 | 11.0 |
| Average daytime temperature (°C) | 6.1 | 5.8 | 8.9 | 11.1 | 18.5 | 23.6 | 23.5 | 22.5 | 23.5 | 14.6 | 7.5 | 5.0 |
| Average temperature (°C) | 3.9 | 2.7 | 5.0 | 7.1 | 13.4 | 18.3 | 18.8 | 18.4 | 18.1 | 11.4 | 5.1 | 3.2 |
| Average night temperature (°C) | 1.8 | -0.4 | 1.6 | 2.9 | 7.5 | 12.5 | 13.8 | 14.3 | 13.2 | 8.0 | 2.6 | 1.1 |
| Absolute minimum temperature (°C) | -3.7 | -4.8 | -3.7 | -3.5 | 1.7 | 2.9 | 9.8 | 9.1 | 8.6 | 2.0 | -8.7 | -8.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 15.0 | 16.0 | 17.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14.0 | 15.9 | 17.0 | 16.5 | 14.8 | 12.7 | 10.6 | 8.6 | 7.6 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 2.3 | 4.9 | 6.3 | 7.9 | 12.0 | 13.2 | 12.0 | 9.3 | 9.8 | 4.3 | 3.8 | 1.8 |
| Precipitation (mm) | 61 | 44 | 67 | 55 | 10 | 66 | 93 | 124 | 21 | 91 | 67 | 79 |
| Sunny days | 10 | 12 | 7 | 9 | 26 | 16 | 7 | 9 | 22 | 5 | 4 | 7 |
| Rainy days | 19 | 13 | 18 | 21 | 5 | 14 | 24 | 22 | 8 | 26 | 23 | 21 |
| Snow days | 2 | 3 | 6 | 0 | 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