The highest day temperature in July 2026 was 95°F. The lowest night temperature was 85°F. The average values for day and night temperatures during July were 91.2°F и 88.0°F respectivly.

The average sea surface temperature in July 2026 for Dauphin Island was 90.4°F. The maximum and minimum values were 87.4°F and 93.4°F respectively.

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

Precipitation total in July for Dauphin Island is 2.3 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 8.8 mph. It makes July the most windless month of the year for Dauphin Island.

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 Dauphin Island in July is 8.2 hours.