Hamburg is warmest in August, averaging 23° by day and 13° at night. The wettest month is February with 90 mm, and the year brings about 851 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 5° | -1° | 74 mm | 4° | 7.8 h | Cool |
| February | 7° | -1° | 90 mm | 4° | 9.4 h | Cool |
| March | 10° | 1° | 47 mm | 5° | 11.5 h | Cool |
| April | 13° | 4° | 54 mm | 9° | 13.7 h | Mild |
| May | 18° | 8° | 68 mm | 14° | 15.7 h | Sightseeing |
| June | 22° | 11° | 72 mm | 19° | 16.8 h | Sightseeing |
| July | 22° | 13° | 96 mm | 20° | 16.3 h | Sightseeing |
| August | 23° | 13° | 62 mm | 21° | 14.6 h | Sightseeing |
| September | 20° | 10° | 66 mm | 18° | 12.4 h | Sightseeing |
| October | 15° | 7° | 78 mm | 14° | 10.2 h | Mild |
| November | 9° | 3° | 57 mm | 10° | 8.3 h | Cool |
| December | 5° | 1° | 87 mm | 6° | 7.2 h | Cool |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: No month in Hamburg combines swimming warmth with dry skies.
Walking the city: May, June, July, August and September — highs of 18–23° and no more than 96 mm of rain a month.