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Warmest beach in Alaska in December

653 coastal locations in Alaska ranked by their typical December sea temperature. State-wide average in December: 5.4°C.

Warmest in December

Forrester Island, Dall Island, Alaska

8.0°C

State December average

5.4°C

across 653 coastal locations in Alaska

Vs annual mean

-2.0°C

below the year-round state average

What the Alaska water feels like in December

This water is very cold and can cause pain. We don't recommend you swim in this temperature for anything other than very short swims of 5 to 10 minutes unless you are a very experienced cold water swimmer.

Alaska monthly average 3.9°C to 12.5°C
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  • Warmest month August 12.5°C
  • Coldest month March 3.9°C
  • Annual mean 7.4°C
  • Months above 20°C 0 of 12

Where December fits in the year

December sits inside the state pattern shown on the left. Browse a different month for a fresh ranking.

Alaska sea temperature map (live)

Today's reading at every Alaska beach we track. The list below uses the typical December mean from a decade of daily history.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Alaska beaches in December

Sorted by typical December mean. Click any beach for the full location page.

# Location December mean
1 Forrester Island, Dall Island, Alaska Alaska 8.0°C
2 Halibut Bay, Alaska Alaska 7.9°C
3 Nakat Harbor, Dixon Entrance, Alaska Alaska 7.9°C
4 Port Tongass, Tongass Island, Dixon Entrance, Alaska Alaska 7.9°C
5 Diver Islands, Meares Passage, Alaska Alaska 7.8°C
6 Eagle Point, Meares Passage, Alaska Alaska 7.8°C
7 Natalia Point, Tlevak Strait, Alaska Alaska 7.8°C
8 Sakie Bay, Dall Island, Alaska Alaska 7.8°C
9 Sea Otter Harbor, Dall Island, Alaska Alaska 7.8°C
10 View Cove, Tlevak Strait, Alaska Alaska 7.8°C
11 Windy Cove entrance Alaska 7.8°C
12 American Bay, Kaigani Strait, Alaska Alaska 7.8°C
13 Gooseneck Harbor, Dall Island, Alaska Alaska 7.8°C
14 Security Cove, Dall Island, Alaska Alaska 7.8°C
15 Cape Chacon, Dixon Entrance, Alaska Alaska 7.7°C
16 Ingraham Bay, Prince of Wales Island, Alaska Alaska 7.7°C
17 Nichols Bay, Dixon Entrance, Alaska Alaska 7.7°C
18 Craig Alaska 7.7°C
19 Metlakatla Alaska 7.7°C
20 Anguilla Island, Gulf of Esquibel, Alaska Alaska 7.7°C
21 Edna Bay, Davidson Inlet, Alaska Alaska 7.7°C
22 Port Alice, Heceta Island, Davidson Inlet, Alaska Alaska 7.7°C
23 Port Alice Alaska 7.7°C
24 Steamboat Bay, Noyes Island, Gulf of Esquibel, Alaska Alaska 7.7°C
25 Sitka Alaska 7.7°C
Show 25 more ▸
26 Gilmer Bay, Kruzof Island, Alaska Alaska 7.6°C
27 Minnie Bay, Alaska Alaska 7.6°C
28 Barren Island, Dixon Entrance, Alaska Alaska 7.6°C
29 Coronation Island, Alaska Alaska 7.6°C
30 Hassler Harbor, Annette Island, Revillagigedo Channel, Alaska Alaska 7.6°C
31 Kell Bay, Affleck Canal, Kuiu Island, Alaska Alaska 7.6°C
32 Kelp Island Passage, Duke Island, Dixon Entrance, Alaska Alaska 7.6°C
33 Kuiu Island, Affleck Canal, Alaska Alaska 7.6°C
34 Morse Cove, Duke Island, Revillagigedo Channel, Alaska Alaska 7.6°C
35 Port McArthur, Kuiu Island, Alaska Alaska 7.6°C
36 Table Bay, Kuiu Island, Alaska Alaska 7.6°C
37 Barlow Cove, Mansfield Peninsula, Lynn Canal, Alaska Alaska 7.6°C
38 Falcon Arm, Slocum Arm, Chichagof Island, Alaska Alaska 7.6°C
39 Funter, Funter Bay, Lynn Canal, Alaska Alaska 7.6°C
40 Hoonah Harbor, Port Frederick, Alaska Alaska 7.6°C
41 Hoonah, Port Fredrick Alaska 7.6°C
42 Klokachef Island, Alaska Alaska 7.6°C
43 Lincoln Island, Lynn Canal, Alaska Alaska 7.6°C
44 Swanson Harbor, Icy Strait, Alaska Alaska 7.6°C
45 Whitestone Narrows, Neva Strait Alaska 7.6°C
46 Anchor Point, Wrangell Narrows Alaska 7.6°C
47 Beck Island, Clarence Strait, Alaska Alaska 7.6°C
48 Beecher Pass, Wrangell Narrows Alaska 7.6°C
49 Blashke Island, Clarence Strait, Alaska Alaska 7.6°C
50 Block Island, Tlevak Strait, Alaska Alaska 7.6°C

Coldest 10 in Alaska in December

Same data the other way.

# Location December mean
1 Barrow Alaska -1.7°C
2 Point Barrow, Alaska Alaska -1.7°C
3 Point Barrow Alaska -1.7°C
4 Barrow (offshore) Alaska -1.6°C
5 Cape Krusenstern, Kotzebue Sound Alaska -1.6°C
6 Cape Espenberg, Kotzebue Sound Alaska -1.6°C
7 Prudhoe Bay #2 Alaska -1.6°C
8 Flaxman Island Alaska -1.6°C
9 Goodhope Bay, Kotzebue Sound Alaska -1.6°C
10 Kotzebue, Kotzebue Sound Alaska -1.5°C

Other US states

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