World Resorts USA Girdwood Weather

Girdwood Sea Temperature in December

Average sea water temperature in December:
+38.6°F
Minimum sea water temperature in December: 39.7°F
Maximum sea water temperature in December: 37.6°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 38.2°F. The highest and lowest sea temperatures during the month were 39.4°F and 37.8°F.

Monthly sea water temperature in Girdwood, °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 Girdwood

Sunniest months:
January 8 days
November 7 days
December 7 days
Warmest months:
July 60.4 °F
August 58.1 °F
June 57.5 °F
Warmest sea temp:
August 55.3 °F
July 54.8 °F
September 51.6 °F
Coldest months:
December 15.4 °F
January 17.6 °F
November 20.5 °F
Rainiest months:
September 7 days
August 5 days
October 5 days
Windiest months:
January 6.1 mph
February 5.9 mph
December 5.8 mph

Girdwood on a weather map

Girdwood
+19°F
W 4 mph
Feels like: +14°F
Precip.: 100%
Places in USA:
Name
°F
+48°F
+68°F
+68°F
+48°F
+57°F
+72°F
+72°F
+64°F
+43°F
+57°F
+46°F
+61°F
+61°F
+61°F
+45°F
24 Hours Forecast
Girdwood
Local time: 08:20
January 13, tuesday
0900
19°F
W
4 mph
1200
21°F
W
5 mph
1500
27°F
W
4 mph
1800
14°F
SW
4 mph
2100
14°F
S
4 mph
January 14, wednesday
0000
14°F
SE
4 mph
0300
12°F
SE
6 mph
0600
12°F
E
5 mph
Units of measurement: °C / °F