Saint-Thégonnec Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Thégonnec.
Climate overview of Saint-Thégonnec
The climate in Saint-Thégonnec, Brittany, France, is marked by large temperature swings across the seasons, ranging from 22°C (72°F) in August to 10°C (50°F) in January.
The city receives considerable rainfall, with around 1001 mm (39 in) annually. December is the wettest month. It has pleasant summers and cold winters. The most sunshine falls in July, with an average of 7.6 hours of daily sunshine.
Saint-Thégonnec Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Thégonnec - and find the best time to visit.
Monthly Temperature in Saint-Thégonnec
In Saint-Thégonnec, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a pleasant 22°C (72°F) in August to a chilly 10°C (50°F) in the coolest month, January.
Nights vary from 13°C (55°F) in August to around 4°C (39°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Thégonnec
Saint-Thégonnec experiences significant rainfall throughout the year, averaging 1001 mm (39 in) of precipitation annually. Saint-Thégonnec offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (107 mm (4.2 in)) and the driest month July (60 mm (2.4 in)) is not too significant. For more details, please visit our Saint-Thégonnec 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-Thégonnec
For those who appreciate different seasons, Saint-Thégonnec 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
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Saint-Thégonnec 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
Best Time to Visit Saint-Thégonnec
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Saint-Thégonnec
What is the best time to visit Saint-Thégonnec?
June, July, August and September typically offer the most optimal weather in Saint-Thégonnec. In contrast, January and December tend to have less optimal conditions. Saint-Thégonnec has pleasant summers and cold winters.
What temperatures can I expect in Saint-Thégonnec?
Daytime highs range from 10°C (50°F) in January to 22°C (72°F) in August. Nighttime lows range from 4°C (39°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Saint-Thégonnec get?
Annual rainfall is around 1001 mm (39 in). December is the wettest month with 107 mm (4.2 in), while July is the driest with 60 mm (2.4 in).
How sunny is Saint-Thégonnec?
Saint-Thégonnec 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.
Saint-Thégonnec 3-Day Forecast
Saint-Thégonnec on the map
Saint-Thégonnec is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Marseille
32°C (90°F) Toulouse
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18°C (64°F) 
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