Measurements:
°C
°F
Annapolis
74°F
W 5 mph
Feels like: 74°F
Precip: 2%
World Resorts USA Annapolis Weather

Annapolis Sea Water Temperature

Current Sea Water Temperature:
+83.0°F
Maximum Sea Water Temperature in September: 87.0°F
Minimum Sea Water Temperature in September: 70.6°F
Average water temperature in September: 79.2°F

Sea Water Temperature for the Last 10 Days:

September 15 83.0°F September 10 83.0°F
September 14 83.2°F September 09 83.0°F
September 13 83.0°F September 08 83.4°F
September 12 83.4°F September 07 83.8°F
September 11 83.2°F September 06 84.8°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 85.0°F. The maximum and minimum values were 83.0°F and 87.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Annapolis was 83.9°F. The maximum and minimum values were 83.0°F and 85.4°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 86.2 °F
June 83.1 °F
Warmest sea temperature:
July 85.4 °F
August 84.6 °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 +64
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +74
Maui +66
Miami +92
Myrtle Beach +88
New York +72
Panama City Beach +90
San Diego +72
San Francisco +60
Santa Monica +72
Sarasota +94
Washington +76
24 Hours Weather Forecast
Annapolis
Local time: 11:07
15 sep, tuesday
1200 74°F
W
5 mph
1500 78°F
NW
4 mph
1800 78°F
NW
4 mph
2100 72°F
NW
8 mph
16 sep, wednesday
0000 70°F
N
11 mph
0300 68°F
N
7 mph
0600 64°F
NE
6 mph
0900 70°F
N
4 mph