The highest day temperature in June 2026 was 101°F. The lowest night temperature was 70°F. The average values for day and night temperatures during June were 95.3°F и 80.7°F respectivly.

The average sea surface temperature in June 2026 for Siesta Key was 89.4°F. The maximum and minimum values were 85.8°F and 93.4°F respectively.

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

Precipitation total in June for Siesta Key is 1.9 in. It makes june one of the most rainy months of the year.

The average wind speed in June is 8.2 mph. It makes June one of the most windless months of the year for Siesta Key.

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 Siesta Key in June is 8.1 hours.