Sea Temperature in Vannes in August

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

Vannes Climate and Swimming Opportunities in August

Vannes lies within the Brittany in France. The average daytime temperature in Vannes in August is 22°C (72°F), while the nighttime average is 14°C (58°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 Vannes is 14 hours, with an average of 7 hours of sunshine per day. The average wind speed in August is 17 km/h (11 mph), and the humidity level is around 80%.

The water temperature in Vannes in August ranges from 17°C to 19°C (63°F to 66°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 18°C (64°F) by mid-August and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Vannes for August is 18°C (64°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 Vannes