The highest day temperature in July 2025 was 81°F. The lowest night temperature was 57°F. The average values for day and night temperatures during July were 70.7°F и 63.4°F respectivly.

The average sea surface temperature in July 2025 for Deauville was 70.2°F. The maximum and minimum values were 68.6°F and 71.6°F respectively.

You can expect various weather conditions during July. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in July for Deauville is 2.0 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 9.4 mph. It makes July one of the most windless months of the year for Deauville.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Deauville in July is 9.2 hours.