Measurements:
°C
°F
Mount Pleasant
62°F
W 7 mph
Feels like: 62°F
Precip: 0%
World Resorts USA Mount Pleasant Weather

Mount Pleasant Sea Water Temperature

Current Sea Water Temperature:
+56.2°F
Maximum Sea Water Temperature in January: 63.4°F
Minimum Sea Water Temperature in January: 43.8°F
Average water temperature in January: 54.7°F

Sea Water Temperature for the Last 10 Days:

January 08 56.2°F January 03 55.2°F
January 07 56.8°F January 02 55.2°F
January 06 56.8°F January 01 56.2°F
January 05 56.0°F December 31 57.2°F
January 04 55.4°F December 30 58.2°F

When is the Warmest Sea for Mount Pleasant?

According to our data for the last three years for Mount Pleasant the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Mount Pleasant was 88.3°F. The maximum and minimum values were 86.2°F and 90.6°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Mount Pleasant was 87.7°F. The maximum and minimum values were 85.2°F and 90.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Mount Pleasant was 81.9°F. The maximum and minimum values were 78.8°F and 84.6°F respectively.

Best Time to Visit Mount Pleasant
The most sunny months:
October 17 days
April 15 days
December 14 days
The most warm months:
July 91.7 °F
August 89.7 °F
June 88.6 °F
Warmest sea temperature:
July 87.9 °F
August 87.7 °F
September 84.0 °F
The most cold months:
January 56.5 °F
December 60.0 °F
February 61.5 °F
The most rainy months:
July 5 days
August 4 days
September 3 days
The most windy months:
January 8 mph
March 8 mph
February 8 mph

Mount Pleasant on the Weather Map

USA Resorts:
NAME
Chicago +54
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +54
Los Angeles +58
Maui +72
Miami +86
Miami Beach +80
New York +52
San Diego +64
San Francisco +52
Sarasota +82
Tampa +88
Washington +60
24 Hours Weather Forecast
Mount Pleasant
Local time: 15:30
08 jan, thursday
1800 60°F
W
6 mph
2100 60°F
W
6 mph
09 jan, friday
0000 60°F
N
5 mph
0300 60°F
NE
3 mph
0600 60°F
NE
3 mph
0900 60°F
NE
4 mph
1200 66°F
N
7 mph
1500 70°F
N
9 mph