Measurements:
°C
°F
Mount Pleasant
50°F
SW 4 mph
Feels like: 48°F
Precip: 100%
World Resorts USA Mount Pleasant Weather

Mount Pleasant Sea Water Temperature

Current Sea Water Temperature:
+59.0°F
Maximum Sea Water Temperature in December: 67.4°F
Minimum Sea Water Temperature in December: 47.2°F
Average water temperature in December: 58.5°F

Sea Water Temperature for the Last 10 Days:

December 05 59.0°F November 30 63.6°F
December 04 62.4°F November 29 64.2°F
December 03 62.2°F November 28 64.8°F
December 02 61.8°F November 27 65.2°F
December 01 61.4°F November 26 65.4°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 60.2 °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 -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +38
Los Angeles +50
Maui +72
Miami +68
Miami Beach +80
New York +16
San Diego +52
San Francisco +46
Sarasota +64
Tampa +62
Washington +26
24 Hours Weather Forecast
Mount Pleasant
Local time: 04:39
05 dec, friday
0600 50°F
SW
4 mph
0900 54°F
SW
8 mph
1200 52°F
SW
5 mph
1500 50°F
S
8 mph
1800 50°F
SE
7 mph
2100 48°F
SE
2 mph
06 dec, saturday
0000 46°F
SE
4 mph
0300 44°F
S
3 mph