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Sion-sur-lʼOcéan Weather & Climate: Best Time to Visit

Sion-sur-lʼOcéan, France, sees big temperature differences between seasons, with August peaking at 24°C (75°F) and February dropping to 11°C (52°F).

Sion-sur-lʼOcéan sees a moderate amount of rainfall, totalling around 776 mm (31 in) per year. The most sunshine falls in August, with an average of 7.6 hours of daily sunshine.

Monthly Temperature in Sion-sur-lʼOcéan

Visitors to Sion-sur-lʼOcéan can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in August, the warmest time of the year, to a chilly 11°C (52°F) during cooler months like February.

At night, you can expect temperatures ranging from 17°C (63°F) in August to around 5°C (41°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Sion-sur-lʼOcéan

Generally, Sion-sur-lʼOcéan experiences moderate precipitation patterns, averaging 776 mm (31 in) yearly. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 91 mm (3.6 in) of precipitation, spread over 17 rainy days.

In contrast, the driest month July experiences a drier climate, with about 43 mm (1.7 in) of rainfall spread across 11 rainy days. For more details, please visit our Sion-sur-lʼOcéan Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Sion-sur-lʼOcéan

Seasonal changes in sunshine hours are quite dramatic in Sion-sur-lʼOcéan. While August receives considerable daily sunshine with up to 7.6 hours, January marks the darkest time of the year, where sunshine is scarce with only 2.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Nantes, France (64 KM, 40 Miles).

Daily hours of sunshine

Data from: Nantes, France (64 KM, 40 Miles).

Sion-sur-lʼOcéan 3-Day Forecast

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Check the conditions for any month of the year.

Best Time to Visit Sion-sur-lʼOcéan

During May, June, July, August, September and October, Sion-sur-lʼOcéan experiences its most favorable weather, with temperatures between 18°C (64°F) and 24°C (74°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 43 mm (1.7 in) and 84 mm (3.3 in).

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.