| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 8.4° | 2.8° | 65.8mm | 15.8 | 33 |
| February | 9.5° | 3.1° | 54mm | 14.3 | 38 |
| March | 11.9° | 4.1° | 50.5mm | 13.3 | 47 |
| April | 14.6° | 5.4° | 50.3mm | 11.8 | 59 |
| May | 17.6° | 8.5° | 58.7mm | 12.3 | 68 |
| June | 20.9° | 11.3° | 55.3mm | 10.5 | 79 |
| July | 23.1° | 13.1° | 48.1mm | 11 | 78 |
| August | 23.4° | 13.4° | 57.8mm | 11.4 | 77 |
| September | 20.7° | 11.3° | 54.3mm | 11.6 | 77 |
| October | 16.8° | 9.1° | 75.4mm | 15.5 | 60 |
| November | 11.9° | 5.7° | 81.2mm | 17.1 | 44 |
| December | 9° | 3.4° | 76.8mm | 16.7 | 35 |
January in Le Havre averages a daily high of 8.4°C with nights around 2.8°C. Expect roughly 15.8 wet days totalling 65.8mm. A hard month to visit for comfort alone.
February in Le Havre averages a daily high of 9.5°C with nights around 3.1°C. Expect roughly 14.3 wet days totalling 54mm. Demanding conditions — pack for it and plan indoor options.
March in Le Havre averages a daily high of 11.9°C with nights around 4.1°C. Expect roughly 13.3 wet days totalling 50.5mm. Demanding conditions — pack for it and plan indoor options.
April in Le Havre averages a daily high of 14.6°C with nights around 5.4°C. Expect roughly 11.8 wet days totalling 50.3mm. Generally workable, with some weather to plan around.
May in Le Havre averages a daily high of 17.6°C with nights around 8.5°C. Expect roughly 12.3 wet days totalling 58.7mm. Generally workable, with some weather to plan around.
June in Le Havre averages a daily high of 20.9°C with nights around 11.3°C. Expect roughly 10.5 wet days totalling 55.3mm. Comfortable conditions for being outdoors all day.
July in Le Havre averages a daily high of 23.1°C with nights around 13.1°C. Expect roughly 11 wet days totalling 48.1mm. Comfortable conditions for being outdoors all day.
August in Le Havre averages a daily high of 23.4°C with nights around 13.4°C. Expect roughly 11.4 wet days totalling 57.8mm. Comfortable conditions for being outdoors all day.
September in Le Havre averages a daily high of 20.7°C with nights around 11.3°C. Expect roughly 11.6 wet days totalling 54.3mm. Comfortable conditions for being outdoors all day.
October in Le Havre averages a daily high of 16.8°C with nights around 9.1°C. Expect roughly 15.5 wet days totalling 75.4mm. Generally workable, with some weather to plan around.
November in Le Havre averages a daily high of 11.9°C with nights around 5.7°C. Expect roughly 17.1 wet days totalling 81.2mm. Demanding conditions — pack for it and plan indoor options.
December in Le Havre averages a daily high of 9°C with nights around 3.4°C. Expect roughly 16.7 wet days totalling 76.8mm. Demanding conditions — pack for it and plan indoor options.
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. Le Havre peaks at 79.
Based on 30 years of records, June–September scores highest for comfort in Le Havre, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 23.4°C.
November is the wettest, averaging 81.2mm of rain across roughly 17.1 wet days.
January is the coolest month, with average daily highs around 8.4°C.