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Hérouville-Saint-Clair Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hérouville-Saint-Clair.
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Climate overview of Hérouville-Saint-Clair
The climate in Hérouville-Saint-Clair, Lower Normandy, France, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in August to 9°C (48°F) in January.
With around 806 mm (32 in) of annual rainfall, the city has moderate precipitation levels. December is the wettest month and March the driest. It also has warm summers and cold winters. Sunshine peaks in June, when the city sees around 7.2 hours of sunshine per day.
Hérouville-Saint-Clair Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hérouville-Saint-Clair - and find the best time to visit.
Monthly Temperature in Hérouville-Saint-Clair
In Hérouville-Saint-Clair, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 24°C (75°F) in August to a chilly 9°C (48°F) in the coolest month, January.
Nights vary from 14°C (57°F) in August to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hérouville-Saint-Clair
On average, Hérouville-Saint-Clair receives a reasonable amount of rainfall, with an annual precipitation of 806 mm (32 in). Precipitation levels in Hérouville-Saint-Clair remain relatively steady throughout the year. December has the most rain, with 82 mm (3.2 in) over 17 days. In the driest month March, this drops slightly to 61 mm (2.4 in), making the city's climate fairly predictable. For more details, please visit our Hérouville-Saint-Clair Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Hérouville-Saint-Clair
For those who appreciate different seasons, Hérouville-Saint-Clair serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 7.2 hours of sunshine daily, and embrace the darker days in December, offering only 2.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Caen, France (3 KM, 2 Miles).
Daily hours of sunshine
Data from: Caen, France (3 KM, 2 Miles).
Humidity in Hérouville-Saint-Clair by Month
The city experiences its highest humidity in December, reaching 87%. In April, the humidity drops to its lowest level at 80%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Caen, France (3 KM, 2 Miles).
Best Time to Visit Hérouville-Saint-Clair
The most comfortable overall weather for exploring Hérouville-Saint-Clair is usually found in June, July, August and September. Conditions are generally least comfortable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
good
May
very good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
good
Nov
mixed
Dec
cold
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Hérouville-Saint-Clair
What is the best time to visit Hérouville-Saint-Clair?
June, July, August and September typically offer the most optimal weather in Hérouville-Saint-Clair. In contrast, January, February and December tend to have less optimal conditions. Hérouville-Saint-Clair has warm summers and cold winters.
What temperatures can I expect in Hérouville-Saint-Clair?
Daytime highs range from 9°C (48°F) in January to 24°C (75°F) in August. Nighttime lows range from 3°C (37°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Hérouville-Saint-Clair get?
Annual rainfall is around 806 mm (32 in). December is the wettest month with 82 mm (3.2 in), while March is the driest with 61 mm (2.4 in).
How sunny is Hérouville-Saint-Clair?
Hérouville-Saint-Clair receives around 1,692 hours of sunshine per year. June is the sunniest month with 215 hours, while December is the cloudiest with just 60 hours.
Hérouville-Saint-Clair 3-Day Forecast
Hérouville-Saint-Clair on the map
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