The highest day temperature in June 2025 was 96°F. The lowest night temperature was 80°F. The average values for day and night temperatures during June were 92.4°F и 84.8°F respectivly.

The average sea surface temperature in June 2025 for Mustang Island was 88.2°F. The maximum and minimum values were 86.2°F and 90.0°F respectively.

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

Precipitation total in June for Mustang Island is 0.8 in.

The average wind speed in June is 13.2 mph. It makes June one of the most windy months of the year for Mustang 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 Mustang Island in June is 8.6 hours.