Sea Temperature in Royan in August

© Daniel WILK

Complete information on the sea temperature range in the Bay of Biscay in Royan in August. Historical daily data. Climate details for August. Tips on swimming conditions and beach relaxation in Royan. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Royan Climate and Swimming Opportunities in August

Royan lies within the Nouvelle-Aquitaine in France. The average daytime temperature in Royan in August is 26°C (78°F), while the nighttime average is 16°C (60°F). There are typically nine rainy days during the month, with a total precipitation of 45 mm (1.8 inches). The daylight duration in August in Royan is 14 hours, with an average of 8 hours of sunshine per day. The average wind speed in August is 14 km/h (9 mph), and the humidity level is around 76%.

The water temperature in Royan in August ranges from 19°C to 21°C (66°F to 70°F). At the beginning of the month, the average temperature is around 21°C (70°F), shifting to 21°C (70°F) by mid-August and reaching 20°C (68°F) in the last ten days. Overall, the average sea temperature in Royan for August is 21°C (70°F). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Frequently Asked Questions About Water Temperatures in August in Royan