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Warmest beach in Alaska in May

653 coastal locations in Alaska ranked by their typical May sea temperature. State-wide average in May: 6.4°C.

Warmest in May

Wrangell

9.9°C

State May average

6.4°C

across 653 coastal locations in Alaska

Vs annual mean

-1.0°C

below the year-round state average

What the Alaska water feels like in May

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 May fits in the year

May 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 May 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 May

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

# Location May mean
1 Wrangell Alaska 9.9°C
2 Ketchikan Alaska 9.8°C
3 Dewey Anchorage, Etolin Island, Alaska Alaska 9.8°C
4 Entrance, Kasaan Bay, Alaska Alaska 9.8°C
5 Hadley, Lyman Anchorage, Alaska Alaska 9.8°C
6 Karta Bay, Kasaan Bay, Alaska Alaska 9.8°C
7 Kasaan, Kasaan Bay, Alaska Alaska 9.8°C
8 Lindeman Cove, Kasaan Bay Alaska 9.8°C
9 Magnetic Point, Union Bay, Earnest Sound Alaska 9.8°C
10 Menefee Anch., Prince of Wales Island, Alaska Alaska 9.8°C
11 Niblack Anchorage, Moira Sound, Alaska Alaska 9.8°C
12 Point Harrington, Clarence Strait Alaska 9.8°C
13 Ratz Harbor, Prince of Wales Island, Alaska Alaska 9.8°C
14 Steamer Bay, Etolin Island, Alaska Alaska 9.8°C
15 Thoms Point, Zimovia Strait Alaska 9.8°C
16 Union Bay, Ernest Sound, Alaska Alaska 9.8°C
17 Wrangell, Wrangell Island Alaska 9.8°C
18 Bell Arm, Bell Island, Alaska Alaska 9.7°C
19 Burrough Bay, Behm Canal Alaska 9.7°C
20 Burroughs Bay, Alaska Alaska 9.7°C
21 Convenient Cove, Hassler Island, Alaska Alaska 9.7°C
22 Loring, Naha Bay, Alaska Alaska 9.7°C
23 Traitors Cove (inside narrows), Alaska Alaska 9.7°C
24 Vallenar Point, Alaska Alaska 9.7°C
25 Yes Cannery, Yes Bay, Alaska Alaska 9.7°C
Show 25 more ▸
26 Alava Bay, Alaska Alaska 9.7°C
27 Alva Bay, Revillagigedo Island, Alaska Alaska 9.7°C
28 Custom House Cove, Mary Island Alaska 9.7°C
29 Fitzgibbon Cove, Alaska Alaska 9.7°C
30 Gnat Cove, Carroll Inlet, Revillagigedo Channel, Alaska Alaska 9.7°C
31 Mary Island Anchorage, Revillagigedo Channel, Alaska Alaska 9.7°C
32 Mop Point, Thorne Arm, Revillagigedo Channel, Alaska Alaska 9.7°C
33 Nigelius Point, Carroll Inlet, Revillagigedo Channel, Alaska Alaska 9.7°C
34 Northern Carroll Inlet GPS Tide Buoy Alaska 9.7°C
35 Rudyerd Bay, Alaska Alaska 9.7°C
36 Metlakatla Alaska 9.6°C
37 Boca de Quadra, Revillagigedo Channel, Alaska Alaska 9.5°C
38 Cape Fox, Dixon Entrance, Alaska Alaska 9.5°C
39 Davis River entrance, Alaska Alaska 9.5°C
40 Kah Shakes Cove, Revillagigedo Channel, Alaska Alaska 9.5°C
41 Smeaton Bay (Wilson Arm), Alaska Alaska 9.5°C
42 Nehenta Bay, Gravina Island, Alaska Alaska 9.5°C
43 Coon Island, George Inlet, Revillagigedo Channel, Alaska Alaska 9.4°C
44 Ketchikan, Tongass Narrows Alaska 9.4°C
45 Tamgas Harbor, Annette Island, Alaska Alaska 9.4°C
46 Ward Cove, Revillagigedo Channel, Alaska Alaska 9.4°C
47 Halibut Bay, Alaska Alaska 9.3°C
48 Nakat Harbor, Dixon Entrance, Alaska Alaska 9.3°C
49 Port Tongass, Tongass Island, Dixon Entrance, Alaska Alaska 9.3°C
50 Barren Island, Dixon Entrance, Alaska Alaska 9.3°C

Coldest 10 in Alaska in May

Same data the other way.

# Location May mean
1 Cape Espenberg, Kotzebue Sound Alaska -1.7°C
2 Cape Krusenstern, Kotzebue Sound Alaska -1.6°C
3 Kivalina Alaska -1.6°C
4 Red Dog Dock Alaska -1.6°C
5 Shishmaref Inlet 2 Alaska -1.6°C
6 Kotzebue, Kotzebue Sound Alaska -1.6°C
7 Goodhope Bay, Kotzebue Sound Alaska -1.6°C
8 Barrow (offshore) Alaska -1.5°C
9 Deering, Kotzebue Sound Alaska -1.5°C
10 Flaxman Island Alaska -1.5°C

Other US states

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