Sea Temperature in Mers-les-Bains in July

© Annick Henniquin

Complete information on the sea temperature range in the English Channel in Mers-les-Bains in July. Historical daily data. Climate details for July. Tips on swimming conditions and beach relaxation in Mers-les-Bains. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Mers-les-Bains Climate and Swimming Opportunities in July

Mers-les-Bains lies within the Hauts-de-France in France. The average daytime temperature in Mers-les-Bains in July is 24°C (75°F), while the nighttime average is 14°C (58°F). There are typically 10 rainy days during the month, with a total precipitation of 49 mm (1.9 inches). The daylight duration in July in Mers-les-Bains is 16 hours, with an average of 7 hours of sunshine per day. The average wind speed in July is 18 km/h (11 mph), and the humidity level is around 80%.

The water temperature in Mers-les-Bains in July ranges from 16°C to 18°C (61°F to 64°F). At the beginning of the month, the average temperature is around 17°C (63°F), shifting to 17°C (63°F) by mid-July and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Mers-les-Bains for July is 17°C (63°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 July in Mers-les-Bains