Sea Temperature in Saint-Jean-de-Monts in August

© Mike Pass

Complete information on the sea temperature range in the Atlantic Ocean in Saint-Jean-de-Monts in August. Historical daily data. Climate details for August. Tips on swimming conditions and beach relaxation in Saint-Jean-de-Monts. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Saint-Jean-de-Monts Climate and Swimming Opportunities in August

Saint-Jean-de-Monts lies within the Pays de la Loire in France. The average daytime temperature in Saint-Jean-de-Monts in August is 25°C (76°F), while the nighttime average is 15°C (60°F). There are typically eight rainy days during the month, with a total precipitation of 36 mm (1.4 inches). The daylight duration in August in Saint-Jean-de-Monts is 14 hours, with an average of 8 hours of sunshine per day. The average wind speed in August is 16 km/h (10 mph), and the humidity level is around 77%.

The water temperature in Saint-Jean-de-Monts in August ranges from 18°C to 20°C (64°F to 68°F). At the beginning of the month, the average temperature is around 19°C (66°F), shifting to 19°C (66°F) by mid-August and reaching 19°C (66°F) in the last ten days. Overall, the average sea temperature in Saint-Jean-de-Monts for August is 19°C (66°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 Saint-Jean-de-Monts