Measurements:
°C
°F
Annapolis
86°F
W 5 mph
Feels like: 86°F
Precip: 5%
World Resorts USA Annapolis Weather

Annapolis Sea Water Temperature

Current Sea Water Temperature:
+83.6°F
Maximum Sea Water Temperature in August: 89.4°F
Minimum Sea Water Temperature in August: 78.4°F
Average water temperature in August: 84.7°F

Sea Water Temperature for the Last 10 Days:

August 25 83.6°F August 20 86.0°F
August 24 84.0°F August 19 85.6°F
August 23 84.2°F August 18 85.6°F
August 22 84.8°F August 17 85.4°F
August 21 86.6°F August 16 86.0°F

When is the Warmest Sea for Annapolis?

According to our data for the last three years for Annapolis 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 Annapolis was 85.0°F. The maximum and minimum values were 81.2°F and 88.6°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Annapolis was 85.4°F. The maximum and minimum values were 83.4°F and 87.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Annapolis was 77.3°F. The maximum and minimum values were 75.0°F and 79.8°F respectively.

Best Time to Visit Annapolis
The most sunny months:
October 17 days
November 17 days
June 15 days
The most warm months:
July 89.3 °F
August 85.7 °F
June 83.1 °F
Warmest sea temperature:
July 85.4 °F
August 84.7 °F
September 78.8 °F
The most cold months:
January 38.3 °F
February 41.0 °F
December 43.4 °F
The most rainy months:
August 4 days
July 3 days
October 3 days
The most windy months:
March 9 mph
January 9 mph
April 9 mph

Annapolis on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +82
Hawaii +84
Houston +108
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
Annapolis
Local time: 17:33
25 aug, tuesday
1800 86°F
W
5 mph
2100 80°F
NW
3 mph
26 aug, wednesday
0000 76°F
NE
4 mph
0300 72°F
SW
3 mph
0600 70°F
SW
6 mph
0900 76°F
NW
5 mph
1200 84°F
N
7 mph
1500 86°F
NW
11 mph