The highest day temperature in July 2026 was 96°F. The lowest night temperature was 75°F. The average values for day and night temperatures during July were 88.8°F и 80.7°F respectivly.

The average sea surface temperature in July 2026 for Marseilles was 79.6°F. The maximum and minimum values were 75.0°F and 84.0°F respectively.

Almost all days in July are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in July for Marseilles is 0.4 in. It makes july the least rainy month of the year.

The average wind speed in July is 10.8 mph. It makes July one of the most windless months of the year for Marseilles.

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 Marseilles in July is 13.8 hours.