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Coldest sea in United States in February

4,477 coastal locations in United States ranked by typical February sea temperature, coldest first. Region-wide average in February: 10.0°C.

Coldest in February

Savoonga, St. Lawrence Island

-1.7°C February mean in United States

Regional February average

10.0°C

across all 4,477 coastal locations in United States

Vs annual mean

-6.2°C

below the year-round regional average

What the United States sea feels like in February

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

United States monthly average 10.0°C to 22.6°C
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  • Warmest month August 22.6°C
  • Coldest month February 10.0°C
  • Annual mean 16.2°C
  • Months above 20°C 3 of 12

Where February fits in the year

February sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve United States month rankings:

United States sea temperature map (live)

The map shows today's latest reading at every United States location. The list below is based on the typical February mean.

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 coldest United States locations in February

Sorted by typical February mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location February mean
1 Savoonga, St. Lawrence Island Alaska -1.7°C
2 Point Hope Alaska -1.7°C
3 Northeast Cape, St. Lawrence Island Alaska -1.7°C
4 Cape Espenberg, Kotzebue Sound Alaska -1.7°C
5 Fossil River entrance, St. Lawrence Island, Alaska Alaska -1.7°C
6 Kivalina Alaska -1.7°C
7 Cape Krusenstern, Kotzebue Sound Alaska -1.7°C
8 Maknik Lagoon entrance, St. Lawrence Island, Alaska Alaska -1.7°C
9 Red Dog Dock Alaska -1.7°C
10 Moghoweyik River entrance, St. Lawrence Island, Alaska Alaska -1.7°C
11 Akeftapak, St. Lawrence Island Alaska -1.6°C
12 Powooiliak Point, St. Lawrence Island, Alaska Alaska -1.6°C
13 Outside Lopp Lagoon Alaska -1.6°C
14 Goodhope Bay, Kotzebue Sound Alaska -1.6°C
15 Tin City, Bering Sea Alaska -1.6°C
16 Kotzebue, Kotzebue Sound Alaska -1.6°C
17 Nome, Norton Sound Alaska -1.6°C
18 Shishmaref Inlet 2 Alaska -1.6°C
19 Lost River, Seward Peninsula Alaska -1.6°C
20 Mekoryuk, Mekoryuk River Entrance Alaska -1.6°C
21 Eastern Nunivak Island Alaska -1.5°C
22 Kotzebue Alaska -1.5°C
23 Point Spencer, Port Clarence, Norton Sound Alaska -1.5°C
24 Popokamute (Kokokamute), Kuskokwim River Alaska -1.5°C
25 Deering, Kotzebue Sound Alaska -1.5°C
Show 25 more ▸
26 Kinak Bay Alaska -1.5°C
27 Tooksook Bay, Nelson Island Alaska -1.5°C
28 Nome Alaska -1.5°C
29 Dall Point, Hooper Bay Alaska -1.5°C
30 Fort Peck Lake Montana -1.5°C
31 Helmick Point (SE of), Kuskokwim River Alaska -1.5°C
32 Popokamute, Alaska Alaska -1.5°C
33 Apokak Creek entrance, Alaska Alaska -1.5°C
34 Cape Romanzof, Bering Sea, Alaska Alaska -1.5°C
35 Eek Channel, off Quinhagak, Alaska Alaska -1.5°C
36 Kuskokwak Creek entrance, Alaska Alaska -1.5°C
37 Prudhoe Bay #2 Alaska -1.5°C
38 Flaxman Island Alaska -1.5°C
39 Teller, Port Clarance, Norton Sound, Alaska Alaska -1.5°C
40 Teller, Port Clarence Alaska -1.5°C
41 Kokechik Bay, Bering Sea, Alaska Alaska -1.4°C
42 Prudhoe Bay Alaska -1.4°C
43 Clarks Point, Nushagak Bay Alaska -1.4°C
44 Black, Black River, Bering Sea, Alaska Alaska -1.4°C
45 Kiwalik, Kotzebue Sound, Alaska Alaska -1.4°C
46 Quinhagak (Kwinak), Kushkokwin River Alaska -1.4°C
47 Lake Sakakawea North Dakota -1.4°C
48 Barter Island Alaska -1.4°C
49 Kipnuk Alaska -1.4°C
50 Barrow Alaska -1.4°C

Warmest 10 in United States in February

Same data the other way. The warmest spots for the same month.

# Location February mean
1 Palmyra Island Northern Line Islands 27.9°C
2 Howland Island Minor Outlying Islands 27.6°C
3 Jarvis Island Minor Outlying Islands 26.6°C
4 Wake Island, Pacific Ocean Minor Outlying Islands 26.6°C
5 Johnston Atoll, Pacific Ocean Minor Outlying Islands 26.1°C
6 Johnston Atoll Minor Outlying Islands 26.1°C
7 Long Island New York 25.8°C
8 Boynton Beach Florida 25.4°C
9 Briny Breezes Florida 25.4°C
10 Hypoluxo Florida 25.4°C

More on this region