The highest day temperature in February 2026 was 74°F. The lowest night temperature was 21°F. The average values for day and night temperatures during February were 55.2°F и 46.0°F respectivly.

The average sea surface temperature in February 2026 for Charleston was 48.7°F. The maximum and minimum values were 43.4°F and 55.4°F respectively.

You can expect various weather conditions during February. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in February for Charleston is 2.4 in. It makes february one of the least rainy months of the year.

The average wind speed in February is 9.0 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 February is 6.2 hours.