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Groix Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Groix.
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Climate overview of Groix
Groix, Brittany, France, experiences moderate temperature changes through the seasons. August is the warmest month with daytime highs of 21°C (70°F), while February is the coolest at 11°C (52°F).
With around 889 mm (35 in) of annual rainfall, the city has moderate precipitation levels. December is the wettest month and July the driest. It also has pleasant summers and cold winters.
Groix Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Groix - and find the best time to visit.
Monthly Temperature in Groix
The climate in Groix experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a pleasant 21°C (70°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 Groix
Generally, Groix has a moderate amount of precipitation, averaging 889 mm (35 in) of rainfall annually. The climate in Groix shows significant variation throughout the year. Expect high rainfall in December, the wettest month, with an average of 112 mm (4.4 in) of precipitation over 20 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 44 mm (1.7 in) of rainfall over 12 rainy days. For more details, please visit our Groix Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Groix
The most comfortable overall weather for exploring Groix is usually found in July, August and September. Conditions are generally least comfortable 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
wet
Feb
mixed
Mar
mixed
Apr
good
May
good
Jun
very good
Jul
excellent
Aug
excellent
Sep
excellent
Oct
mixed
Nov
mixed
Dec
wet
- Best overall: July, August and September
- Warmest weather: July, August and September
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Groix
What is the best time to visit Groix?
July, August and September typically offer the most optimal weather in Groix. In contrast, January and December tend to have less optimal conditions. Groix has pleasant summers and cold winters.
What temperatures can I expect in Groix?
Daytime highs range from 11°C (52°F) in February to 21°C (70°F) in August. Nighttime lows range from 7°C (45°F) to 16°C (61°F).
How much rain does Groix get?
Annual rainfall is around 889 mm (35 in). December is the wettest month with 112 mm (4.4 in), while July is the driest with 44 mm (1.7 in).
Groix 3-Day Forecast
Groix on the map
Groix is highlighted - select any city to see its climate.
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