| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 4.2° | 0° | 67.3mm | 15.9 | 16 |
| February | 5.4° | 0.4° | 56.3mm | 14.3 | 22 |
| March | 8.4° | 1.5° | 47.3mm | 12.4 | 37 |
| April | 12.7° | 3.8° | 40.9mm | 11.2 | 54 |
| May | 16.8° | 7.3° | 56.2mm | 12.4 | 65 |
| June | 20.4° | 10.7° | 63.3mm | 12.6 | 75 |
| July | 22.2° | 12.8° | 83.3mm | 13.8 | 72 |
| August | 22.4° | 13.2° | 73.4mm | 13.3 | 73 |
| September | 18.7° | 10.8° | 59.9mm | 12.9 | 70 |
| October | 13.8° | 7.6° | 73mm | 15.3 | 50 |
| November | 8.3° | 3.7° | 63.6mm | 16 | 33 |
| December | 5.1° | 1.1° | 68.3mm | 16.5 | 21 |
January in Kiel averages a daily high of 4.2°C with nights around 0°C. Expect roughly 15.9 wet days totalling 67.3mm. A hard month to visit for comfort alone.
February in Kiel averages a daily high of 5.4°C with nights around 0.4°C. Expect roughly 14.3 wet days totalling 56.3mm. A hard month to visit for comfort alone.
March in Kiel averages a daily high of 8.4°C with nights around 1.5°C. Expect roughly 12.4 wet days totalling 47.3mm. Demanding conditions — pack for it and plan indoor options.
April in Kiel averages a daily high of 12.7°C with nights around 3.8°C. Expect roughly 11.2 wet days totalling 40.9mm. Demanding conditions — pack for it and plan indoor options.
May in Kiel averages a daily high of 16.8°C with nights around 7.3°C. Expect roughly 12.4 wet days totalling 56.2mm. Generally workable, with some weather to plan around.
June in Kiel averages a daily high of 20.4°C with nights around 10.7°C. Expect roughly 12.6 wet days totalling 63.3mm. Comfortable conditions for being outdoors all day.
July in Kiel averages a daily high of 22.2°C with nights around 12.8°C. Expect roughly 13.8 wet days totalling 83.3mm. Generally workable, with some weather to plan around.
August in Kiel averages a daily high of 22.4°C with nights around 13.2°C. Expect roughly 13.3 wet days totalling 73.4mm. Generally workable, with some weather to plan around.
September in Kiel averages a daily high of 18.7°C with nights around 10.8°C. Expect roughly 12.9 wet days totalling 59.9mm. Generally workable, with some weather to plan around.
October in Kiel averages a daily high of 13.8°C with nights around 7.6°C. Expect roughly 15.3 wet days totalling 73mm. Demanding conditions — pack for it and plan indoor options.
November in Kiel averages a daily high of 8.3°C with nights around 3.7°C. Expect roughly 16 wet days totalling 63.6mm. A hard month to visit for comfort alone.
December in Kiel averages a daily high of 5.1°C with nights around 1.1°C. Expect roughly 16.5 wet days totalling 68.3mm. 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. Kiel peaks at 75.
Based on 30 years of records, June–September scores highest for comfort in Kiel, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 22.4°C.
July is the wettest, averaging 83.3mm of rain across roughly 13.8 wet days.
January is the coolest month, with average daily highs around 4.2°C.