World Resorts USA Annapolis Weather

Annapolis sea water temperature

Current sea water temperature:
+39.4°F
Minimum sea water temperature in December: 53.2°F
Maximum sea water temperature in December: 37.8°F
Average sea water temperature in December: 44.9°F

Sea water temperature for the last 10 days:

December 24 39.4°F December 19 39.4°F
December 23 39.0°F December 18 39.6°F
December 22 39.4°F December 17 39.7°F
December 21 39.9°F December 16 39.6°F
December 20 39.2°F December 15 41.2°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 40.0 °F
February 42.9 °F
December 44.7 °F
Rainiest months:
August 4 days
July 4 days
April 3 days
Windiest months:
March 9.8 mph
January 9.7 mph
February 9.4 mph

Annapolis on a weather map

Annapolis
+52°F
SE 11 mph
Feels like: +48°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+75°F
+75°F
+61°F
+61°F
+79°F
+77°F
+70°F
+43°F
+66°F
+57°F
+82°F
+82°F
+75°F
+48°F
24 Hours Forecast
Annapolis
Local time: 16:10
December 24, wednesday
1800
46°F
S
5 mph
2100
39°F
SW
4 mph
December 25, thursday
0000
37°F
W
6 mph
0300
37°F
NW
5 mph
0600
37°F
N
6 mph
0900
37°F
N
14 mph
1200
39°F
NE
9 mph
1500
41°F
SE
7 mph
Units of measurement: °C / °F