Measurements:
°C
°F
Annapolis
66°F
SE 11 mph
Feels like: 66°F
Precip: 1%
World Resorts USA Annapolis Weather

Annapolis Sea Water Temperature

Current Sea Water Temperature:
+72.2°F
Maximum Sea Water Temperature in October: 76.6°F
Minimum Sea Water Temperature in October: 59.4°F
Average water temperature in October: 68.3°F

Sea Water Temperature for the Last 10 Days:

October 05 72.2°F September 30 71.2°F
October 04 73.4°F September 29 70.6°F
October 03 74.2°F September 28 70.6°F
October 02 73.4°F September 27 70.6°F
October 01 71.8°F September 26 70.2°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 80.1°F. The maximum and minimum values were 70.2°F and 85.4°F respectively.

Best Time to Visit Annapolis
The most sunny months:
November 17 days
October 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 79.0 °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
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Annapolis
Local time: 19:48
05 oct, monday
2100 66°F
SE
11 mph
06 oct, tuesday
0000 60°F
S
11 mph
0300 56°F
S
11 mph
0600 54°F
S
11 mph
0900 54°F
S
9 mph
1200 60°F
S
6 mph
1500 66°F
SW
3 mph
1800 60°F
NW
7 mph