| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5.4° | -0.3° | 38mm | 12.8 | 24 |
| February | 8.1° | 0.4° | 34mm | 10.7 | 38 |
| March | 12.4° | 2.5° | 39.4mm | 11.7 | 52 |
| April | 17.1° | 5.7° | 43.3mm | 10.7 | 69 |
| May | 21.1° | 10.2° | 80.6mm | 13.3 | 73 |
| June | 25° | 13.7° | 71.8mm | 11.8 | 76 |
| July | 26.5° | 14.8° | 71.3mm | 12.1 | 76 |
| August | 26.3° | 14.6° | 64.2mm | 11.5 | 77 |
| September | 22° | 10.8° | 50.5mm | 9.8 | 80 |
| October | 16.5° | 7.5° | 60.3mm | 12.1 | 65 |
| November | 9.6° | 3.3° | 50mm | 12.5 | 42 |
| December | 6.2° | 0.8° | 44.8mm | 13.1 | 28 |
January in Strasbourg averages a daily high of 5.4°C with nights around -0.3°C. Expect roughly 12.8 wet days totalling 38mm. A hard month to visit for comfort alone.
February in Strasbourg averages a daily high of 8.1°C with nights around 0.4°C. Expect roughly 10.7 wet days totalling 34mm. Demanding conditions — pack for it and plan indoor options.
March in Strasbourg averages a daily high of 12.4°C with nights around 2.5°C. Expect roughly 11.7 wet days totalling 39.4mm. Demanding conditions — pack for it and plan indoor options.
April in Strasbourg averages a daily high of 17.1°C with nights around 5.7°C. Expect roughly 10.7 wet days totalling 43.3mm. Generally workable, with some weather to plan around.
May in Strasbourg averages a daily high of 21.1°C with nights around 10.2°C. Expect roughly 13.3 wet days totalling 80.6mm. Generally workable, with some weather to plan around.
June in Strasbourg averages a daily high of 25°C with nights around 13.7°C. Expect roughly 11.8 wet days totalling 71.8mm. Comfortable conditions for being outdoors all day.
July in Strasbourg averages a daily high of 26.5°C with nights around 14.8°C. Expect roughly 12.1 wet days totalling 71.3mm. Comfortable conditions for being outdoors all day.
August in Strasbourg averages a daily high of 26.3°C with nights around 14.6°C. Expect roughly 11.5 wet days totalling 64.2mm. Comfortable conditions for being outdoors all day.
September in Strasbourg averages a daily high of 22°C with nights around 10.8°C. Expect roughly 9.8 wet days totalling 50.5mm. Comfortable conditions for being outdoors all day.
October in Strasbourg averages a daily high of 16.5°C with nights around 7.5°C. Expect roughly 12.1 wet days totalling 60.3mm. Generally workable, with some weather to plan around.
November in Strasbourg averages a daily high of 9.6°C with nights around 3.3°C. Expect roughly 12.5 wet days totalling 50mm. Demanding conditions — pack for it and plan indoor options.
December in Strasbourg averages a daily high of 6.2°C with nights around 0.8°C. Expect roughly 13.1 wet days totalling 44.8mm. 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. Strasbourg peaks at 80.
Based on 30 years of records, May–September scores highest for comfort in Strasbourg, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 26.5°C.
May is the wettest, averaging 80.6mm of rain across roughly 13.3 wet days.
January is the coolest month, with average daily highs around 5.4°C.