The highest day temperature in November 2025 was 89°F. The lowest night temperature was 40°F. The average values for day and night temperatures during November were 81.8°F и 60.9°F respectivly.

The average sea surface temperature in November 2025 for Siesta Key was 74.6°F. The maximum and minimum values were 70.0°F and 78.8°F respectively.

Most of the days in November are sunny but you can also expect cloudy and gloomy days.

Precipitation total in November for Siesta Key is 0.5 in.

The average wind speed in November is 10.5 mph. It makes November the most windy month 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 November is 7.3 hours.