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.
Across the year, the best time to visit Le Havre is June–September.
Based on CAEN CARPIQUET, FR (43km), 1995–2024. 30 years of April data.