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Roscanvel Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Roscanvel.
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Climate overview of Roscanvel
Roscanvel, Brittany, France, has a moderate seasonal temperature range, with August reaching 19°C (66°F) and February cooling to 11°C (52°F).
The city receives considerable rainfall, with around 1139 mm (45 in) annually. December is the wettest month. Sunshine peaks in July, when the city sees around 7.6 hours of sunshine per day.
Roscanvel Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Roscanvel - and find the best time to visit.
Monthly Temperature in Roscanvel
In Roscanvel, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a pleasant 19°C (66°F) in August to a chilly 11°C (52°F) in the coolest month, February.
Nights vary from 16°C (61°F) in August to around 7°C (45°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Roscanvel
Roscanvel is known for its substantial rainfall, with annual precipitation reaching 1139 mm (45 in). The climate in Roscanvel shows significant variation throughout the year. Expect high rainfall in December, the wettest month, with an average of 147 mm (5.8 in) of precipitation over 21 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 57 mm (2.2 in) of rainfall over 13 rainy days. For more details, please visit our Roscanvel 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 Roscanvel
For those who appreciate different seasons, Roscanvel serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.6 hours of sunshine daily, and embrace the darker days in December, offering only 2.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Brest, France (17 KM, 11 Miles).
Daily hours of sunshine
Data from: Brest, France (17 KM, 11 Miles).
Daily percentage of sunshine
Data from: Brest, France (17 KM, 11 Miles).
Water Temperature in Roscanvel
The mean water temperature over the year ranges from 10°C (50°F) in January to 16°C (61°F) in August.
Water temperature over the year
Data from: Brest, France (17 KM, 11 Miles).
Humidity in Roscanvel by Month
The city experiences its highest humidity in January, reaching 86%. In April, the humidity drops to its lowest level at 81%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Brest, France (17 KM, 11 Miles).
Wind Speed in Roscanvel
The average wind speed over the year ranges from 4 m/s (8 knots) to 5 m/s (10 knots). It is lower in June, July, August, September, October and November and higher in January, February, March, April, May and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Brest, France (17 KM, 11 Miles).
Best Time to Visit Roscanvel
For comfortable weather, consider visiting Roscanvel in July, August and September. Conditions are usually least favourable 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
wet
Feb
wet
Mar
mixed
Apr
mixed
May
good
Jun
good
Jul
very good
Aug
very good
Sep
very good
Oct
mixed
Nov
mixed
Dec
wet
- Best overall: July, August and September
- Warmest weather: July, August and September
- Most sunshine: July
- Fewest rainy days: June, July, August and September
- Warmest water temperature: July, August and September, although the water may still feel cool.
Frequently asked questions about the climate in Roscanvel
What is the best time to visit Roscanvel?
July, August and September typically offer the most optimal weather in Roscanvel. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Roscanvel?
Daytime highs range from 11°C (52°F) in February to 19°C (66°F) in August. Nighttime lows range from 7°C (45°F) to 16°C (61°F).
How much rain does Roscanvel get?
Annual rainfall is around 1139 mm (45 in). December is the wettest month with 147 mm (5.8 in), while July is the driest with 57 mm (2.2 in).
How sunny is Roscanvel?
Roscanvel receives around 1,752 hours of sunshine per year. July is the sunniest month with 229 hours, while December is the cloudiest with just 63 hours.
Roscanvel 3-Day Forecast
Roscanvel on the map
Roscanvel is highlighted - select any city to see its climate.
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