The highest day temperature in June 2026 was 106°F. The lowest night temperature was 70°F. The average values for day and night temperatures during June were 95.9°F и 77.1°F respectivly.

The average sea surface temperature in June 2026 for Jacksonville was 85.5°F. The maximum and minimum values were 83.0°F and 88.0°F respectively.

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

Precipitation total in June for Jacksonville is 3.3 in. It makes june one of the most rainy months of the year.

The average wind speed in June is 6.9 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 June is 8.7 hours.