| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 4.3° | -0.5° | 66.7mm | 15.6 | 16 |
| February | 5.7° | 0° | 61.2mm | 14.1 | 23 |
| March | 8.8° | 1° | 53.2mm | 12.9 | 37 |
| April | 13.9° | 3.9° | 39.1mm | 11.2 | 58 |
| May | 18.1° | 7.6° | 59.9mm | 12.6 | 69 |
| June | 21.3° | 10.9° | 72.5mm | 12.8 | 74 |
| July | 23.2° | 13.2° | 83.2mm | 15 | 70 |
| August | 23.2° | 13.2° | 71.6mm | 13.6 | 73 |
| September | 19.3° | 10.2° | 64.5mm | 12.3 | 73 |
| October | 14.1° | 6.8° | 63.2mm | 14.3 | 53 |
| November | 8.4° | 3.1° | 59.7mm | 15.1 | 33 |
| December | 5.1° | 0.5° | 69.4mm | 15.9 | 20 |
January in Hamburg averages a daily high of 4.3°C with nights around -0.5°C. Expect roughly 15.6 wet days totalling 66.7mm. A hard month to visit for comfort alone.
February in Hamburg averages a daily high of 5.7°C with nights around 0°C. Expect roughly 14.1 wet days totalling 61.2mm. A hard month to visit for comfort alone.
March in Hamburg averages a daily high of 8.8°C with nights around 1°C. Expect roughly 12.9 wet days totalling 53.2mm. Demanding conditions — pack for it and plan indoor options.
April in Hamburg averages a daily high of 13.9°C with nights around 3.9°C. Expect roughly 11.2 wet days totalling 39.1mm. Generally workable, with some weather to plan around.
May in Hamburg averages a daily high of 18.1°C with nights around 7.6°C. Expect roughly 12.6 wet days totalling 59.9mm. Generally workable, with some weather to plan around.
June in Hamburg averages a daily high of 21.3°C with nights around 10.9°C. Expect roughly 12.8 wet days totalling 72.5mm. Generally workable, with some weather to plan around.
July in Hamburg averages a daily high of 23.2°C with nights around 13.2°C. Expect roughly 15 wet days totalling 83.2mm. Generally workable, with some weather to plan around.
August in Hamburg averages a daily high of 23.2°C with nights around 13.2°C. Expect roughly 13.6 wet days totalling 71.6mm. Generally workable, with some weather to plan around.
September in Hamburg averages a daily high of 19.3°C with nights around 10.2°C. Expect roughly 12.3 wet days totalling 64.5mm. Generally workable, with some weather to plan around.
October in Hamburg averages a daily high of 14.1°C with nights around 6.8°C. Expect roughly 14.3 wet days totalling 63.2mm. Demanding conditions — pack for it and plan indoor options.
November in Hamburg averages a daily high of 8.4°C with nights around 3.1°C. Expect roughly 15.1 wet days totalling 59.7mm. A hard month to visit for comfort alone.
December in Hamburg averages a daily high of 5.1°C with nights around 0.5°C. Expect roughly 15.9 wet days totalling 69.4mm. A hard month to visit for comfort alone.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Hamburg peaks at 74.
Based on 30 years of records, May–September scores highest for comfort in Hamburg, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 23.2°C.
July is the wettest, averaging 83.2mm of rain across roughly 15 wet days.
January is the coolest month, with average daily highs around 4.3°C.