| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 4.7° | -1.1° | 52.9mm | 14.6 | 17 |
| February | 7.2° | -0.5° | 50.7mm | 12.9 | 29 |
| March | 11.7° | 1.3° | 50.8mm | 12.7 | 47 |
| April | 16.7° | 3.7° | 43.3mm | 11.5 | 66 |
| May | 20.7° | 8° | 72mm | 13 | 74 |
| June | 24.6° | 11.6° | 59.1mm | 11.8 | 76 |
| July | 26° | 13.2° | 74.8mm | 13.4 | 73 |
| August | 25.8° | 13.1° | 72.4mm | 12.2 | 76 |
| September | 21° | 9.3° | 57.4mm | 11.3 | 77 |
| October | 15.4° | 6.1° | 62.1mm | 13 | 59 |
| November | 9° | 2.5° | 59.3mm | 14.1 | 37 |
| December | 5.4° | 0° | 63.7mm | 15.8 | 20 |
January in Darmstadt averages a daily high of 4.7°C with nights around -1.1°C. Expect roughly 14.6 wet days totalling 52.9mm. A hard month to visit for comfort alone.
February in Darmstadt averages a daily high of 7.2°C with nights around -0.5°C. Expect roughly 12.9 wet days totalling 50.7mm. A hard month to visit for comfort alone.
March in Darmstadt averages a daily high of 11.7°C with nights around 1.3°C. Expect roughly 12.7 wet days totalling 50.8mm. Demanding conditions — pack for it and plan indoor options.
April in Darmstadt averages a daily high of 16.7°C with nights around 3.7°C. Expect roughly 11.5 wet days totalling 43.3mm. Generally workable, with some weather to plan around.
May in Darmstadt averages a daily high of 20.7°C with nights around 8°C. Expect roughly 13 wet days totalling 72mm. Generally workable, with some weather to plan around.
June in Darmstadt averages a daily high of 24.6°C with nights around 11.6°C. Expect roughly 11.8 wet days totalling 59.1mm. Comfortable conditions for being outdoors all day.
July in Darmstadt averages a daily high of 26°C with nights around 13.2°C. Expect roughly 13.4 wet days totalling 74.8mm. Generally workable, with some weather to plan around.
August in Darmstadt averages a daily high of 25.8°C with nights around 13.1°C. Expect roughly 12.2 wet days totalling 72.4mm. Comfortable conditions for being outdoors all day.
September in Darmstadt averages a daily high of 21°C with nights around 9.3°C. Expect roughly 11.3 wet days totalling 57.4mm. Comfortable conditions for being outdoors all day.
October in Darmstadt averages a daily high of 15.4°C with nights around 6.1°C. Expect roughly 13 wet days totalling 62.1mm. Generally workable, with some weather to plan around.
November in Darmstadt averages a daily high of 9°C with nights around 2.5°C. Expect roughly 14.1 wet days totalling 59.3mm. Demanding conditions — pack for it and plan indoor options.
December in Darmstadt averages a daily high of 5.4°C with nights around 0°C. Expect roughly 15.8 wet days totalling 63.7mm. 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. Darmstadt peaks at 77.
Based on 30 years of records, May–September scores highest for comfort in Darmstadt, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 26°C.
July is the wettest, averaging 74.8mm of rain across roughly 13.4 wet days.
January is the coolest month, with average daily highs around 4.7°C.