The highest day temperature in June 2023 was 102°F. The lowest night temperature was 65°F. The average values for day and night temperatures during June were 88.6°F и 74.8°F respectivly.

The average sea surface temperature in June 2023 for Charleston was 79.6°F. The maximum and minimum values were 72.4°F and 85.2°F respectively.

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

Precipitation total in June for Charleston is 4.1 in. It makes june one of the most rainy months of the year.

The average wind speed in June is 8.3 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 Charleston in June is 9.1 hours.