| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5.6° | -0.8° | 49mm | 12.4 | 25 |
| February | 8.2° | -0.2° | 44.1mm | 11.4 | 36 |
| March | 12.3° | 1.8° | 49.7mm | 11.6 | 52 |
| April | 16.6° | 4.8° | 57.9mm | 11.3 | 67 |
| May | 20.6° | 9.4° | 86.2mm | 14.2 | 72 |
| June | 24.8° | 13° | 76.5mm | 12 | 76 |
| July | 26.5° | 14.2° | 74mm | 12.3 | 75 |
| August | 26.2° | 14° | 79.7mm | 12 | 76 |
| September | 21.7° | 10.3° | 61.8mm | 10.7 | 79 |
| October | 16.8° | 7.2° | 67.5mm | 12.4 | 65 |
| November | 9.9° | 2.7° | 60.5mm | 12.3 | 43 |
| December | 6.3° | 0.1° | 61.2mm | 13.8 | 26 |
January in Mulhouse averages a daily high of 5.6°C with nights around -0.8°C. Expect roughly 12.4 wet days totalling 49mm. A hard month to visit for comfort alone.
February in Mulhouse averages a daily high of 8.2°C with nights around -0.2°C. Expect roughly 11.4 wet days totalling 44.1mm. Demanding conditions — pack for it and plan indoor options.
March in Mulhouse averages a daily high of 12.3°C with nights around 1.8°C. Expect roughly 11.6 wet days totalling 49.7mm. Demanding conditions — pack for it and plan indoor options.
April in Mulhouse averages a daily high of 16.6°C with nights around 4.8°C. Expect roughly 11.3 wet days totalling 57.9mm. Generally workable, with some weather to plan around.
May in Mulhouse averages a daily high of 20.6°C with nights around 9.4°C. Expect roughly 14.2 wet days totalling 86.2mm. Generally workable, with some weather to plan around.
June in Mulhouse averages a daily high of 24.8°C with nights around 13°C. Expect roughly 12 wet days totalling 76.5mm. Comfortable conditions for being outdoors all day.
July in Mulhouse averages a daily high of 26.5°C with nights around 14.2°C. Expect roughly 12.3 wet days totalling 74mm. Comfortable conditions for being outdoors all day.
August in Mulhouse averages a daily high of 26.2°C with nights around 14°C. Expect roughly 12 wet days totalling 79.7mm. Comfortable conditions for being outdoors all day.
September in Mulhouse averages a daily high of 21.7°C with nights around 10.3°C. Expect roughly 10.7 wet days totalling 61.8mm. Comfortable conditions for being outdoors all day.
October in Mulhouse averages a daily high of 16.8°C with nights around 7.2°C. Expect roughly 12.4 wet days totalling 67.5mm. Generally workable, with some weather to plan around.
November in Mulhouse averages a daily high of 9.9°C with nights around 2.7°C. Expect roughly 12.3 wet days totalling 60.5mm. Demanding conditions — pack for it and plan indoor options.
December in Mulhouse averages a daily high of 6.3°C with nights around 0.1°C. Expect roughly 13.8 wet days totalling 61.2mm. 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. Mulhouse peaks at 79.
Based on 30 years of records, May–September scores highest for comfort in Mulhouse, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 26.5°C.
May is the wettest, averaging 86.2mm of rain across roughly 14.2 wet days.
January is the coolest month, with average daily highs around 5.6°C.