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Saint-Marcan Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Marcan.
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Climate overview of Saint-Marcan
Saint-Marcan, Brittany, France, sees big temperature differences between seasons, with August peaking at 23°C (73°F) and January dropping to 10°C (50°F).
Saint-Marcan sees a moderate amount of rainfall, totalling around 984 mm (39 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. The most sunshine falls in June, with an average of 6.9 hours of daily sunshine.
Saint-Marcan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Marcan - and find the best time to visit.
Monthly Temperature in Saint-Marcan
Visitors to Saint-Marcan can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 23°C (73°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 15°C (59°F) in August to around 4°C (39°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Marcan
Generally, Saint-Marcan experiences moderate precipitation patterns, averaging 984 mm (39 in) yearly. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 111 mm (4.4 in) of precipitation, spread over 18 rainy days.
In contrast, the driest month July experiences a drier climate, with about 64 mm (2.5 in) of rainfall spread across 11 rainy days. For more details, please visit our Saint-Marcan 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 Saint-Marcan
Seasonal changes in sunshine hours are quite dramatic in Saint-Marcan. While June receives considerable daily sunshine with up to 6.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Saint Malo, France (28 KM, 17 Miles).
Daily hours of sunshine
Data from: Saint Malo, France (28 KM, 17 Miles).
Humidity in Saint-Marcan by Month
The city experiences its highest humidity in October, reaching 85%. In March, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Saint Malo, France (28 KM, 17 Miles).
Best Time to Visit Saint-Marcan
For comfortable weather, consider visiting Saint-Marcan in June, July, August and September. Conditions are usually least favourable in January, February, November 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
wet
Dec
wet
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: June, July and August
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Saint-Marcan
What is the best time to visit Saint-Marcan?
June, July, August and September typically offer the most optimal weather in Saint-Marcan. In contrast, January, February, November and December tend to have less optimal conditions. Saint-Marcan has warm summers and cold winters.
What temperatures can I expect in Saint-Marcan?
Daytime highs range from 10°C (50°F) in January to 23°C (73°F) in August. Nighttime lows range from 4°C (39°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Saint-Marcan get?
Annual rainfall is around 984 mm (39 in). December is the wettest month with 111 mm (4.4 in), while July is the driest with 64 mm (2.5 in).
How sunny is Saint-Marcan?
Saint-Marcan receives around 1,679 hours of sunshine per year. June is the sunniest month with 207 hours, while December is the cloudiest with just 66 hours.
Saint-Marcan 3-Day Forecast
Saint-Marcan on the map
Saint-Marcan is highlighted - select any city to see its climate.
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