The highest day temperature in July 2025 was 78°F. The lowest night temperature was 70°F. The average values for day and night temperatures during July were 76.0°F и 73.8°F respectivly.

The average sea surface temperature in July 2025 for Grand Baie was 78.7°F. The maximum and minimum values were 78.0°F and 79.8°F respectively.

Most of the days in July are cloudy but you can also expect sunny or gloomy days.

Precipitation total in July for Grand Baie is 1.0 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 17.0 mph. It makes July the most windy month of the year for Grand Baie.

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 Grand Baie in July is 6.2 hours.