World Resorts USA Dewey Beach Weather

Dewey Beach Sea Temperature in February

Average sea water temperature in February:
+39.7°F
Minimum sea water temperature in February: 45.7°F
Maximum sea water temperature in February: 31.5°F

Daily sea water temperature in February, °F

Show year:
2026
2025
2024

The average sea water temperature in February of 2026 was 33.3°F. The highest and lowest sea temperatures during the month were 35.6°F and 31.5°F.

Monthly sea water temperature in Dewey Beach, °F

Which USA resorts have warmest sea in February?

Place name February 2026 February 2025
Kailua Kona 77.5°F 77.9°F
Honolulu 76.5°F 76.9°F
Hawaii 76.4°F 76.8°F
Kauai 76.1°F 74.2°F
Maui 76.0°F 76.4°F
Oahu 74.8°F 75.7°F
West Palm Beach 74.2°F 75.9°F
Fort Lauderdale 73.3°F 75.8°F
Miami Beach 71.9°F 75.8°F
Everglades 69.6°F 75.7°F
Key West 69.2°F 74.6°F
Miami 69.0°F 75.3°F
South Padre Island 65.7°F 66.8°F
Corpus Christi 64.4°F 63.8°F
Cape Coral 64.2°F 71.7°F
Cocoa Beach 63.7°F 68.6°F
Naples 62.7°F 70.9°F
Tampa 62.2°F 68.2°F
San Diego 62.0°F 57.7°F
Santa Catalina Island 61.9°F 57.6°F

Best time for vacation in Dewey Beach

Sunniest months:
November 18 days
October 16 days
January 14 days
Warmest months:
July 80.8 °F
August 78.4 °F
June 74.9 °F
Warmest sea temp:
July 75.4 °F
August 74.9 °F
September 73.1 °F
Coldest months:
January 40.5 °F
February 42.6 °F
December 45.6 °F
Rainiest months:
August 4 days
February 3 days
March 3 days
Windiest months:
March 13.3 mph
January 13.1 mph
February 12.7 mph

Dewey Beach on a weather map

Dewey Beach
+36°F
NW 7 mph
Feels like: +32°F
Precip.: 0%
Places in USA:
Name
°F
+32°F
+73°F
+73°F
+73°F
+64°F
+66°F
+72°F
+70°F
+32°F
+59°F
+59°F
+54°F
+50°F
+59°F
+36°F
24 Hours Forecast
Dewey Beach
Local time: 01:52
March 19, thursday
0300
36°F
NW
7 mph
0600
37°F
NW
4 mph
0900
39°F
NW
7 mph
1200
45°F
NW
7 mph
1500
45°F
NW
12 mph
1800
45°F
N
12 mph
2100
41°F
N
10 mph
March 20, friday
0000
39°F
N
9 mph
Units of measurement: °C / °F