While Germany can have pleasant summer weather, northern areas including Hamburg are known for their year-round Reizklima, or 'healthy, bracing climate'. Summer temperatures don't creep much over 20°C (68°F). Winter is prime ski time if you want to head south for the alps of the Harz Mountains.
| Month | Temp (°C) | Rainfall (mm) | Humidity (%) | Sunshine (hours) |
| Jan | -2 - 2 | 58 | 2 | |
| Feb | -2 - 3 | 48 | 2 | |
| Mar | -1 - 7 | 39 | 4 | |
| Apr | 3 - 13 | 52 | 6 | |
| May | 7 - 18 | 56 | 7 | |
| Jun | 11 - 21 | 63 | 8 | |
| Jul | 13 - 22 | 83 | 7 | |
| Aug | 12 - 22 | 81 | 7 | |
| Sep | 10 - 19 | 62 | 6 | |
| Oct | 6 - 13 | 59 | 3 | |
| Nov | 3 - 7 | 57 | 1 | |
| Dec | 0 - 4 | 57 | 1 |