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Saint-Sébastien-sur-Loire Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Sébastien-sur-Loire.
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Climate overview of Saint-Sébastien-sur-Loire
The climate in Saint-Sébastien-sur-Loire, Pays de la Loire, France, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in August to 10°C (50°F) in January.
The city receives around 778 mm (31 in) of rainfall per year. It experiences warm summers and cold winters. December is the wettest month and July the driest. The most sunshine falls in August, with an average of 7.6 hours of daily sunshine.
Saint-Sébastien-sur-Loire Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Sébastien-sur-Loire - and find the best time to visit.
Monthly Temperature in Saint-Sébastien-sur-Loire
In Saint-Sébastien-sur-Loire, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C (79°F) in August to a chilly 10°C (50°F) in January.
Nighttime temperatures range from 15°C (59°F) in August to 3°C (37°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Sébastien-sur-Loire
On average, Saint-Sébastien-sur-Loire receives a reasonable amount of rainfall, with an annual precipitation of 778 mm (31 in). The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 85 mm (3.3 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, July, still receives a respectable 45 mm (1.8 in) of rainfall. For more details, please visit our Saint-Sébastien-sur-Loire 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-Sébastien-sur-Loire
In Saint-Sébastien-sur-Loire, summer days are longer and more sunny, with daily sunshine hours peaking at 7.6 hours in August. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 2.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Nantes, France (4 KM, 2 Miles).
Daily hours of sunshine
Data from: Nantes, France (4 KM, 2 Miles).
Daily percentage of sunshine
Data from: Nantes, France (4 KM, 2 Miles).
Humidity in Saint-Sébastien-sur-Loire by Month
The city experiences its highest humidity in December, reaching 89%. In July, 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: Nantes, France (4 KM, 2 Miles).
Best Time to Visit Saint-Sébastien-sur-Loire
The most comfortable overall weather for exploring Saint-Sébastien-sur-Loire is usually found in May, June, July, August and September. Conditions are generally least comfortable in January.
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
good
Dec
mixed
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: August
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Saint-Sébastien-sur-Loire
What is the best time to visit Saint-Sébastien-sur-Loire?
May, June, July, August and September typically offer the most optimal weather in Saint-Sébastien-sur-Loire. In contrast, January tends to have less optimal conditions. Saint-Sébastien-sur-Loire has warm summers and cold winters.
What temperatures can I expect in Saint-Sébastien-sur-Loire?
Daytime highs range from 10°C (50°F) in January to 26°C (79°F) in August. Nighttime lows range from 3°C (37°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Saint-Sébastien-sur-Loire get?
Annual rainfall is around 778 mm (31 in). December is the wettest month with 85 mm (3.3 in), while July is the driest with 45 mm (1.8 in).
How sunny is Saint-Sébastien-sur-Loire?
Saint-Sébastien-sur-Loire receives around 1,797 hours of sunshine per year. August is the sunniest month with 228 hours, while January is the cloudiest with just 73 hours.
Saint-Sébastien-sur-Loire 3-Day Forecast
Saint-Sébastien-sur-Loire on the map
Saint-Sébastien-sur-Loire is highlighted - select any city to see its climate.
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