Saint-Denis-dʼOléron Weather & Climate: Best Time to Visit

The climate in Saint-Denis-dʼOléron is known for significant temperature differences throughout the year, making the weather dynamic. 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 18°C (64°F) in August to around 6°C (43°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Saint-Denis-dʼOléron receives mid-range precipitation levels, with 850 mm (33 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives high rainfall, averaging 110 mm (4.3 in) of precipitation, recorded across 16 rainy days. In contrast, the driest month July brings less rainfall, with 38 mm (1.5 in) over 10 rainy days. For more details, please visit our Saint-Denis-dʼOléron Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Saint-Denis-dʼOléron. While July receives considerable daily sunshine with up to 9.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.5 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in December, reaching 88%. In July, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year