Coldest sea in United States in June
4,477 coastal locations in United States ranked by typical June sea temperature, coldest first. Region-wide average in June: 19.6°C.
Coldest in June
Prudhoe Bay #2
-1.4°C June mean in United States
Regional June average
19.6°C
across all 4,477 coastal locations in United States
Vs annual mean
+3.4°C
above the year-round regional average
What the United States sea feels like in June
At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.
- Warmest month August 22.6°C
- Coldest month February 10.0°C
- Annual mean 16.2°C
- Months above 20°C 3 of 12
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 June mean.
Top 50 coldest United States locations in June
Sorted by typical June mean from a decade of daily readings, coldest first. Click any place for the full location page.
| # | Location | Country | June mean |
|---|---|---|---|
| 1 | Prudhoe Bay #2 Alaska | United States | -1.4°C |
| 2 | Barrow (offshore) Alaska | United States | -1.4°C |
| 3 | Point Barrow, Alaska Alaska | United States | -1.4°C |
| 4 | Point Barrow Alaska | United States | -1.4°C |
| 5 | Flaxman Island Alaska | United States | -1.4°C |
| 6 | Cross Island (Dinkum Sands) Alaska | United States | -1.3°C |
| 7 | Barter Island Alaska | United States | -1.2°C |
| 8 | Barrow Alaska | United States | -1.1°C |
| 9 | Prudhoe Bay Alaska | United States | -1.1°C |
| 10 | Red Dog Dock Alaska | United States | -0.9°C |
| 11 | Cape Krusenstern, Kotzebue Sound Alaska | United States | -0.8°C |
| 12 | Kivalina Alaska | United States | -0.8°C |
| 13 | Goodhope Bay, Kotzebue Sound Alaska | United States | -0.7°C |
| 14 | Cape Espenberg, Kotzebue Sound Alaska | United States | -0.7°C |
| 15 | Kotzebue, Kotzebue Sound Alaska | United States | -0.3°C |
| 16 | Lake Sakakawea North Dakota | United States | -0.3°C |
| 17 | Deering, Kotzebue Sound Alaska | United States | -0.2°C |
| 18 | Kiwalik, Kotzebue Sound, Alaska Alaska | United States | -0.0°C |
| 19 | Fort Peck Lake Montana | United States | 0.2°C |
| 20 | Point Hope Alaska | United States | 0.2°C |
| 21 | Shishmaref Inlet 2 Alaska | United States | 0.8°C |
| 22 | Maknik Lagoon entrance, St. Lawrence Island, Alaska Alaska | United States | 1.1°C |
| 23 | Northeast Cape, St. Lawrence Island Alaska | United States | 1.1°C |
| 24 | Tin City, Bering Sea Alaska | United States | 1.6°C |
| 25 | Fossil River entrance, St. Lawrence Island, Alaska Alaska | United States | 1.8°C |
Show 25 more ▸
Warmest 10 in United States in June
Same data the other way. The warmest spots for the same month.
| # | Location | Country | June mean |
|---|---|---|---|
| 1 | Lostmans River entrance, Florida Florida | United States | 29.6°C |
| 2 | Onion Key Bay Florida | United States | 29.6°C |
| 3 | Onion Key, Lostmans River, Florida Florida | United States | 29.6°C |
| 4 | Shark River entrance, Florida Florida | United States | 29.6°C |
| 5 | Cape Sable, East Cape, Florida Florida | United States | 29.6°C |
| 6 | Chokoloskee Florida | United States | 29.6°C |
| 7 | Everglades City Florida | United States | 29.6°C |
| 8 | Duck Key Florida | United States | 29.6°C |
| 9 | Fiesta Key Florida | United States | 29.6°C |
| 10 | Layton Florida | United States | 29.6°C |