Weatheo

Hérouville-Saint-Clair Weather by Month

Average temperatures, rainfall and humidity for Hérouville-Saint-Clair, France, month by month, built from OpenWeather’s historical records. Use it to see what a typical Hérouville-Saint-Clair month looks like before you travel — then check the live Hérouville-Saint-Clair forecast for the days ahead.

Warmest month

July

23°C average high

Coolest month

January

3°C average low

Wettest month

January

61 mm of rain

Driest month

July

25 mm of rain

Average temperature and rainfall in Hérouville-Saint-Clair by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January8°C3°C-8°C / 16°C
61 mm
88%18 km/h
February10°C4°C-7°C / 20°C
50 mm
84%19 km/h
March12°C5°C-5°C / 24°C
51 mm
80%17 km/h
April15°C6°C-3°C / 27°C
41 mm
76%14 km/h
May17°C9°C-2°C / 33°C
40 mm
78%14 km/h
June21°C12°C-7°C / 41°C
33 mm
78%13 km/h
July23°C14°C4°C / 40°C
25 mm
74%14 km/h
August23°C14°C-8°C / 37°C
33 mm
76%13 km/h
September21°C12°C4°C / 33°C
36 mm
79%13 km/h
October17°C10°C2°C / 29°C
52 mm
84%15 km/h
November12°C7°C-4°C / 21°C
60 mm
86%17 km/h
December10°C5°C-7°C / 17°C
49 mm
87%19 km/h

Best time to visit Hérouville-Saint-Clair

The most comfortable time to visit Hérouville-Saint-Clair is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around January, totalling about 530 mm a year.

Travellers who prefer heat should aim for July, when highs average 23°C. January is the month to avoid if rain would spoil your plans — it averages 61 mm, roughly 2× the rainfall of the driest month (July).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Hérouville-Saint-Clair forecast for what is happening now.

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