| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 3.7° | -1.3° | 70.5mm | 15.2 | 13 |
| February | 5.8° | -0.5° | 57.4mm | 13.5 | 24 |
| March | 10.1° | 1.7° | 53mm | 13.1 | 42 |
| April | 15° | 4.8° | 44.1mm | 11.5 | 61 |
| May | 19.1° | 8.4° | 66.1mm | 12.5 | 72 |
| June | 22.9° | 11.6° | 58.3mm | 11 | 78 |
| July | 24.9° | 13.3° | 75.8mm | 12.8 | 74 |
| August | 24.6° | 13.4° | 56.1mm | 12 | 76 |
| September | 19.9° | 10° | 57.9mm | 10.5 | 79 |
| October | 14° | 6.5° | 63.2mm | 13.2 | 54 |
| November | 7.8° | 2.6° | 65.4mm | 14.6 | 32 |
| December | 4.3° | -0.3° | 74.3mm | 16.8 | 16 |
January in Wiesbaden averages a daily high of 3.7°C with nights around -1.3°C. Expect roughly 15.2 wet days totalling 70.5mm. A hard month to visit for comfort alone.
February in Wiesbaden averages a daily high of 5.8°C with nights around -0.5°C. Expect roughly 13.5 wet days totalling 57.4mm. A hard month to visit for comfort alone.
March in Wiesbaden averages a daily high of 10.1°C with nights around 1.7°C. Expect roughly 13.1 wet days totalling 53mm. Demanding conditions — pack for it and plan indoor options.
April in Wiesbaden averages a daily high of 15°C with nights around 4.8°C. Expect roughly 11.5 wet days totalling 44.1mm. Generally workable, with some weather to plan around.
May in Wiesbaden averages a daily high of 19.1°C with nights around 8.4°C. Expect roughly 12.5 wet days totalling 66.1mm. Generally workable, with some weather to plan around.
June in Wiesbaden averages a daily high of 22.9°C with nights around 11.6°C. Expect roughly 11 wet days totalling 58.3mm. Comfortable conditions for being outdoors all day.
July in Wiesbaden averages a daily high of 24.9°C with nights around 13.3°C. Expect roughly 12.8 wet days totalling 75.8mm. Generally workable, with some weather to plan around.
August in Wiesbaden averages a daily high of 24.6°C with nights around 13.4°C. Expect roughly 12 wet days totalling 56.1mm. Comfortable conditions for being outdoors all day.
September in Wiesbaden averages a daily high of 19.9°C with nights around 10°C. Expect roughly 10.5 wet days totalling 57.9mm. Comfortable conditions for being outdoors all day.
October in Wiesbaden averages a daily high of 14°C with nights around 6.5°C. Expect roughly 13.2 wet days totalling 63.2mm. Demanding conditions — pack for it and plan indoor options.
November in Wiesbaden averages a daily high of 7.8°C with nights around 2.6°C. Expect roughly 14.6 wet days totalling 65.4mm. A hard month to visit for comfort alone.
December in Wiesbaden averages a daily high of 4.3°C with nights around -0.3°C. Expect roughly 16.8 wet days totalling 74.3mm. 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. Wiesbaden peaks at 79.
Based on 30 years of records, May–September scores highest for comfort in Wiesbaden, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 24.9°C.
July is the wettest, averaging 75.8mm of rain across roughly 12.8 wet days.
January is the coolest month, with average daily highs around 3.7°C.