Sea Temperature in Marennes in August

© michel-clement chevereau

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

Marennes Climate and Swimming Opportunities in August

Marennes lies within the Nouvelle-Aquitaine in France. The average daytime temperature in Marennes in August is 25°C (76°F), while the nighttime average is 16°C (61°F). There are typically eight rainy days during the month, with a total precipitation of 42 mm (1.6 inches). The daylight duration in August in Marennes is 14 hours, with an average of 8 hours of sunshine per day. The average wind speed in August is 15 km/h (9 mph), and the humidity level is around 77%.

The water temperature in Marennes 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 20°C (68°F) by mid-August and reaching 20°C (68°F) in the last ten days. Overall, the average sea temperature in Marennes for August is 20°C (68°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Frequently Asked Questions About Water Temperatures in August in Marennes