World Resorts USA Washington Weather

Washington Sea Temperature in December

Average sea water temperature in December:
+46.3°F
Minimum sea water temperature in December: 55.8°F
Maximum sea water temperature in December: 37.2°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 45.5°F. The highest and lowest sea temperatures during the month were 52.3°F and 37.2°F.

Monthly sea water temperature in Washington, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.2°F 78.3°F
West Palm Beach 79.0°F 78.4°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.2°F 76.0°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Islamorada 76.4°F 73.4°F
Key Largo 76.3°F 73.1°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Everglades 73.7°F 69.7°F
Marco Island 71.8°F 68.0°F
South Padre Island 71.8°F 71.9°F
Naples 71.5°F 67.7°F
Sanibel Island 70.9°F 67.1°F
Cocoa Beach 69.7°F 66.6°F
Siesta Key 69.3°F 65.6°F

Best time for vacation in Washington

Sunniest months:
November 16 days
June 15 days
October 15 days
Warmest months:
July 89.1 °F
August 86.2 °F
June 83.0 °F
Warmest sea temp:
July 81.2 °F
August 79.9 °F
June 75.4 °F
Coldest months:
January 39.6 °F
February 44.0 °F
December 45.9 °F
Rainiest months:
August 5 days
May 5 days
June 5 days
Windiest months:
April 9.1 mph
March 9.0 mph
February 8.5 mph

Washington on a weather map

Washington
+28°F
S 4 mph
Feels like: +25°F
Precip.: 0%
Places in USA:
Name
°F
+28°F
+72°F
+72°F
+45°F
+59°F
+54°F
+61°F
+66°F
+21°F
+61°F
+55°F
+66°F
+63°F
+64°F
+19°F
24 Hours Forecast
Washington
Local time: 08:12
January 03, saturday
0900
28°F
S
4 mph
1200
36°F
E
1 mph
1500
43°F
N
2 mph
1800
39°F
W
2 mph
2100
34°F
NW
2 mph
January 04, sunday
0000
32°F
W
2 mph
0300
32°F
SE
1 mph
0600
30°F
SE
5 mph
Units of measurement: °C / °F