Measurements:
°C
°F
Mount Pleasant
86°F
E 15 mph
Feels like: 94°F
Precip: 24%
World Resorts USA Mount Pleasant Weather

Mount Pleasant Sea Water Temperature

Current Sea Water Temperature:
+89.2°F
Maximum Sea Water Temperature in August: 91.8°F
Minimum Sea Water Temperature in August: 82.6°F
Average water temperature in August: 87.9°F

Sea Water Temperature for the Last 10 Days:

August 25 89.2°F August 20 91.6°F
August 24 89.4°F August 19 91.0°F
August 23 89.6°F August 18 89.8°F
August 22 91.8°F August 17 89.0°F
August 21 91.2°F August 16 88.2°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Mount Pleasant was 89.5°F. The maximum and minimum values were 88.2°F and 90.6°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Mount Pleasant was 89.4°F. The maximum and minimum values were 88.0°F and 91.8°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 16 days
January 14 days
The most warm months:
July 92.0 °F
August 89.7 °F
June 88.6 °F
Warmest sea temperature:
July 88.1 °F
August 87.9 °F
September 84.0 °F
The most cold months:
January 56.3 °F
December 60.0 °F
February 60.5 °F
The most rainy months:
August 4 days
July 4 days
September 3 days
The most windy months:
March 9 mph
February 9 mph
April 9 mph

Mount Pleasant on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +80
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Mount Pleasant
Local time: 17:50
25 aug, tuesday
1800 86°F
E
15 mph
2100 86°F
W
9 mph
26 aug, wednesday
0000 86°F
NW
5 mph
0300 82°F
W
2 mph
0600 84°F
N
2 mph
0900 84°F
E
4 mph
1200 86°F
N
6 mph
1500 86°F
N
12 mph