World Resorts USA Charleston Weather

Charleston weather in April

Weather in Charleston: April

Average day temperature: 72.7°F
Average night temperature: 61.7°F
Sea water temperature: 66.4°F
Number of sunny days: 15 days
Day length: 12.5 - 13.5 hours
Number of rainy days: 5 days
Precipitation totals: 3.3 in.

Air temperature in April, °F

Show year:
2025
2024
2023

The highest day temperature during April of 2025 was 83°F. At the same time the lowest night temperature was 54°F. Daily and nightly averages during April were 76.3°F and 64.4°F.

Sea water temperature in Charleston in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 68.9°F. The highest and lowest sea temperatures during the month were 72.7°F and 65.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in April are sunny but cloudy days are also possible.

Precipitation total in April, in.

Precipitation total value in Charleston in April is 3.6 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 9.0 mph It makes April one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 9.1.

Best time for vacation in Charleston

Sunniest months:
October 15 days
April 15 days
May 15 days
Warmest months:
July 89.5 °F
August 87.7 °F
June 86.2 °F
Warmest sea temp:
August 83.7 °F
July 83.7 °F
September 81.0 °F
Coldest months:
January 55.9 °F
February 60.2 °F
December 60.5 °F
Rainiest months:
August 9 days
July 8 days
June 7 days
Windiest months:
March 9.5 mph
April 9.4 mph
February 9.0 mph

Charleston on a weather map

Charleston
+46°F
E 9 mph
Feels like: +43°F
Precip.: 0%
Places in USA:
Name
°F
+28°F
+72°F
+72°F
+48°F
+55°F
+46°F
+59°F
+66°F
+19°F
+61°F
+54°F
+46°F
+48°F
+63°F
+14°F
24 Hours Forecast
Charleston
Local time: 06:45
January 02, friday
0900
48°F
E
9 mph
1200
57°F
NE
10 mph
1500
63°F
NE
11 mph
1800
61°F
NE
9 mph
2100
59°F
NE
8 mph
January 03, saturday
0000
57°F
NE
8 mph
0300
55°F
NE
6 mph
0600
57°F
NE
9 mph
Units of measurement: °C / °F