The highest day temperature in June 2026 was 102°F. The lowest night temperature was 76°F. The average values for day and night temperatures during June were 95.8°F и 81.7°F respectivly.

The average sea surface temperature in June 2026 for Sanibel Island was 90.2°F. The maximum and minimum values were 86.8°F and 93.8°F respectively.

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

Precipitation total in June for Sanibel Island is 2.5 in. It makes june one of the most rainy months of the year.

The average wind speed in June is 8.1 mph. It makes June one of the most windless months of the year for Sanibel 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 Sanibel Island in June is 8.0 hours.