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Chartres-de-Bretagne Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Chartres-de-Bretagne.
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Climate overview of Chartres-de-Bretagne
Chartres-de-Bretagne, Brittany, France, sees big temperature differences between seasons, with August peaking at 25°C (77°F) and January dropping to 10°C (50°F).
Chartres-de-Bretagne sees a moderate amount of rain/snowfall, totalling around 771 mm (30 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. The most sunshine falls in June, with an average of 7.2 hours of daily sunshine.
Chartres-de-Bretagne Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chartres-de-Bretagne - and find the best time to visit.
Monthly Temperature in Chartres-de-Bretagne
Visitors to Chartres-de-Bretagne can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in August, the warmest time of the year, to a chilly 10°C (50°F) during cooler months like January.
At night, you can expect temperatures ranging from 14°C (57°F) in August to around 3°C (37°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Chartres-de-Bretagne
Generally, Chartres-de-Bretagne experiences moderate precipitation patterns, averaging 771 mm (30 in) yearly. Year-round, Chartres-de-Bretagne has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 77 mm (3 in), and the driest month, July, with 52 mm (2 in), is minimal. For more details, please visit our Chartres-de-Bretagne 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 Chartres-de-Bretagne
Seasonal changes in sunshine hours are quite dramatic in Chartres-de-Bretagne. While June receives considerable daily sunshine with up to 7.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Rennes, France (7 KM, 4 Miles).
Daily hours of sunshine
Data from: Rennes, France (7 KM, 4 Miles).
Humidity in Chartres-de-Bretagne by Month
The city experiences its highest humidity in January, reaching 87%. In June, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Rennes, France (7 KM, 4 Miles).
Best Time to Visit Chartres-de-Bretagne
For comfortable weather, consider visiting Chartres-de-Bretagne in May, June, July, August and September. Conditions are usually least favourable in January 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
mixed
Mar
good
Apr
good
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
very good
Nov
mixed
Dec
cold
- Best overall: May, 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 Chartres-de-Bretagne
What is the best time to visit Chartres-de-Bretagne?
May, June, July, August and September typically offer the most optimal weather in Chartres-de-Bretagne. In contrast, January and December tend to have less optimal conditions. Chartres-de-Bretagne has warm summers and cold winters.
What temperatures can I expect in Chartres-de-Bretagne?
Daytime highs range from 10°C (50°F) in January to 25°C (77°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 Chartres-de-Bretagne get?
Annual rainfall is around 771 mm (30 in). December is the wettest month with 77 mm (3 in), while July is the driest with 52 mm (2 in).
How sunny is Chartres-de-Bretagne?
Chartres-de-Bretagne receives around 1,724 hours of sunshine per year. June is the sunniest month with 217 hours, while December is the cloudiest with just 68 hours.
Chartres-de-Bretagne 3-Day Forecast
Chartres-de-Bretagne on the map
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