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Coldest beach in Maine in June

158 coastal locations in Maine ranked by their typical June sea temperature. State-wide average in June: 12.4°C.

Coldest in June

Acadia

8.2°C

State June average

12.4°C

across 158 coastal locations in Maine

Vs annual mean

+2.5°C

above the year-round state average

What the Maine water feels like in June

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.

Maine monthly average 4.0°C to 16.7°C
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  • Warmest month August 16.7°C
  • Coldest month March 4.0°C
  • Annual mean 9.9°C
  • Months above 20°C 0 of 12

Where June fits in the year

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

Maine sea temperature map (live)

Today's reading at every Maine beach we track. The list below uses the typical June 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 coldest Maine beaches in June

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

# Location June mean
1 Castine Maine 11.4°C
2 Deer Isle Maine 11.1°C
3 Stonington Maine 11.1°C
4 Blue Hill Harbor, Blue Hill Bay, Maine Maine 11.1°C
5 Center Harbor, Eggemoggin Reach, Maine Maine 11.1°C
6 Isle Au Haut, Penobscot Bay, Maine Maine 11.1°C
7 Little Deer Isle, Eggemoggin Reach, Maine Maine 11.1°C
8 Oceanville, Deer Isle, Penobscot Bay Maine 11.1°C
9 Stonington, Deer Isle, Penobscot Bay, Maine Maine 11.1°C
10 Frenchboro Maine 11.0°C
11 Swans Island Maine 11.0°C
12 Sedgwick Maine 10.9°C
13 Surry Maine 10.9°C
14 Bass Harbor, Mount Desert Island, Maine Maine 10.8°C
15 Mackerel Cove, Swans Island, Blue Hill Bay Maine 10.8°C
16 Southwest Harbor, Mount Desert Island, Maine Maine 10.8°C
17 Lamoine Maine 10.6°C
18 Tremont Maine 10.6°C
19 Trenton Maine 10.6°C
20 Ellsworth, Union River, Blue Hill Bay Maine 10.4°C
21 Prospect Harbor, Maine Maine 10.4°C
22 Prospect Harbour Maine 10.4°C
23 Winter Harbor, Frenchman Bay, Maine Maine 10.4°C
24 Bar Harbor Maine 10.3°C
25 Green Island, Petit Manan Bar, Maine Maine 10.2°C
Show 25 more ▸
26 Steele Harbor Island, Maine Maine 10.0°C
27 Franklin Maine 9.9°C
28 Hancock Maine 9.9°C
29 Sullivan Maine 9.9°C
30 Milbridge Maine 9.7°C
31 Steuben Maine 9.7°C
32 Addison Maine 9.7°C
33 Beals Island Maine 9.7°C
34 Jonesport Maine 9.7°C
35 Cutler Maine 9.6°C
36 Machiasport Maine 9.6°C
37 Eastport, Passamaquoddy Bay Maine 9.5°C
38 Pettegrove Point, Dochet Island Maine 9.5°C
39 West Quoddy Head Maine 9.5°C
40 Eastport Maine 9.2°C
41 Birch Islands, Cobscook Bay, Maine Maine 9.1°C
42 Coffin Point, Coffin Neck Maine 9.1°C
43 Cutler, Little River, Maine Maine 9.1°C
44 Garnet Point, Hersey Neck, Pennamquan River, Cobscook Bay Maine 9.1°C
45 Gravelly Point, Whiting Bay Maine 9.1°C
46 Cutler Naval Base, Machias Bay Maine 9.0°C
47 Shoppee Point, Englishman Bay, Maine Maine 9.0°C
48 Stone Island, Machias Bay, Maine Maine 9.0°C
49 Gulf of Maine Maine 8.9°C
50 Acadia Maine 8.2°C

Warmest 10 in Maine in June

Same data flipped. The warmest spots in the state for this month.

# Location June mean
1 Kittery Maine 14.7°C
2 Ogunquit Maine 14.7°C
3 York Beach Maine 14.7°C
4 York Harbor Maine 14.7°C
5 Atlantic Heights, Piscataqua River, New Hampshire Maine 14.7°C
6 Cape Neddick, Maine Maine 14.7°C
7 Fort Point, York Harbor, Maine Maine 14.7°C
8 Gerrish Island, Portsmouth Harbor, New Hampshire Maine 14.7°C
9 Kennebunk Beach Maine 14.7°C
10 Kittery Point, Portsmouth Harbor, New Hampshire Maine 14.7°C

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