The highest day temperature in October 2025 was 89°F. The lowest night temperature was 53°F. The average values for day and night temperatures during October were 81.2°F и 67.3°F respectivly.

The average sea surface temperature in October 2025 for Jacksonville was 78.7°F. The maximum and minimum values were 74.0°F and 83.8°F respectively.

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

Precipitation total in October for Jacksonville is 2.1 in.

The average wind speed in October is 7.7 mph. This value is relatively stable throughout the year.

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 Jacksonville in October is 6.8 hours.