World Resorts USA Juneau Weather

Juneau Sea Temperature in December

Average sea water temperature in December:
+40.4°F
Minimum sea water temperature in December: 42.4°F
Maximum sea water temperature in December: 37.9°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 40.3°F. The highest and lowest sea temperatures during the month were 41.9°F and 37.9°F.

Monthly sea water temperature in Juneau, °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 Juneau

Sunniest months:
May 6 days
March 6 days
April 6 days
Warmest months:
July 57.3 °F
August 57.2 °F
June 54.4 °F
Warmest sea temp:
July 56.3 °F
August 56.1 °F
September 51.8 °F
Coldest months:
December 26.5 °F
January 29.2 °F
February 30.7 °F
Rainiest months:
October 12 days
September 10 days
January 10 days
Windiest months:
January 7.1 mph
November 7.0 mph
December 7.0 mph

Juneau on a weather map

Juneau
+30°F
NE 9 mph
Feels like: +21°F
Precip.: 100%
Places in USA:
Name
°F
+61°F
+73°F
+73°F
+73°F
+79°F
+75°F
+77°F
+70°F
+55°F
+82°F
+57°F
+68°F
+68°F
+64°F
+23°F
24 Hours Forecast
Juneau
Local time: 10:49
January 14, wednesday
1200
30°F
NE
9 mph
1500
30°F
NE
8 mph
1800
34°F
NE
9 mph
2100
34°F
N
9 mph
January 15, thursday
0000
30°F
N
7 mph
0300
30°F
NW
4 mph
0600
28°F
NW
4 mph
0900
28°F
NW
2 mph
Units of measurement: °C / °F