World Resorts USA Annapolis Weather

Annapolis sea water temperature

Current sea water temperature:
+58.8°F
Minimum sea water temperature in April: 64.2°F
Maximum sea water temperature in April: 45.5°F
Average sea water temperature in April: 54.9°F

Sea water temperature for the last 10 days:

April 29 58.8°F April 24 57.9°F
April 28 58.3°F April 23 58.8°F
April 27 57.6°F April 22 59.0°F
April 26 60.6°F April 21 58.3°F
April 25 59.7°F April 20 61.3°F

When is the warmest sea in Annapolis?

Based on the data about daily sea water temperature for the last three years the warmest sea in Annapolis was noticed in July, August and September.

Monthly Sea Temperatures in Annapolis, °F

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 86.4°F and 81.7°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 80.2°F. The highest and lowest sea temperatures during the month were 85.5°F and 75.6°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 74.5°F. The highest and lowest sea temperatures during the month were 76.8°F and 72.5°F.

Best time for vacation in Annapolis

Sunniest months:
November 17 days
October 17 days
September 15 days
Warmest months:
July 85.3 °F
August 82.1 °F
June 79.6 °F
Warmest sea temp:
July 81.9 °F
August 81.1 °F
September 75.9 °F
Coldest months:
January 39.5 °F
February 41.9 °F
December 44.1 °F
Rainiest months:
August 4 days
July 4 days
October 3 days
Windiest months:
March 9.9 mph
January 9.8 mph
April 9.4 mph

Annapolis on a weather map

Annapolis
+52°F
N 7 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+57°F
+52°F
+79°F
+79°F
+66°F
+54°F
+54°F
+50°F
+77°F
+75°F
+75°F
+52°F
24 Hours Forecast
Annapolis
Local time: 08:23
April 29, wednesday
0900
52°F
N
7 mph
1200
55°F
NW
11 mph
1500
59°F
N
15 mph
1800
59°F
N
16 mph
2100
55°F
N
11 mph
April 30, thursday
0000
57°F
N
9 mph
0300
57°F
E
8 mph
0600
54°F
SE
14 mph
Units of measurement: °C / °F