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Warmest beach in Maine in December

158 coastal locations in Maine ranked by their typical December sea temperature. State-wide average in December: 7.7°C.

Warmest in December

Cutler

8.5°C

State December average

7.7°C

across 158 coastal locations in Maine

Vs annual mean

-2.2°C

below the year-round state average

What the Maine 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.

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 December fits in the year

December 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 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 Maine beaches in December

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

# Location December mean
1 Cutler Maine 8.5°C
2 Eastport Maine 8.5°C
3 Machiasport Maine 8.4°C
4 Birch Islands, Cobscook Bay, Maine Maine 8.3°C
5 Coffin Point, Coffin Neck Maine 8.3°C
6 Cutler, Little River, Maine Maine 8.3°C
7 Garnet Point, Hersey Neck, Pennamquan River, Cobscook Bay Maine 8.3°C
8 Gravelly Point, Whiting Bay Maine 8.3°C
9 Gulf of Maine Maine 8.3°C
10 Addison Maine 8.3°C
11 Beals Island Maine 8.3°C
12 Frenchboro Maine 8.3°C
13 Jonesport Maine 8.3°C
14 Swans Island Maine 8.3°C
15 Cutler Naval Base, Machias Bay Maine 8.2°C
16 Shoppee Point, Englishman Bay, Maine Maine 8.2°C
17 Stone Island, Machias Bay, Maine Maine 8.2°C
18 Eastport, Passamaquoddy Bay Maine 8.2°C
19 Pettegrove Point, Dochet Island Maine 8.2°C
20 West Quoddy Head Maine 8.2°C
21 Casco Bay Maine 8.2°C
22 Bremen Maine 8.2°C
23 Bristol Maine 8.2°C
24 Friendship Maine 8.2°C
25 Pemaquid Maine 8.2°C
Show 25 more ▸
26 Steele Harbor Island, Maine Maine 8.2°C
27 Bar Harbor Maine 8.1°C
28 Milbridge Maine 8.1°C
29 Steuben Maine 8.1°C
30 Deer Isle Maine 8.1°C
31 Stonington Maine 8.1°C
32 Green Island, Petit Manan Bar, Maine Maine 8.0°C
33 Boothbay Harbor Maine 8.0°C
34 Reid State Park Maine 8.0°C
35 Kittery Maine 8.0°C
36 Ogunquit Maine 8.0°C
37 York Beach Maine 8.0°C
38 York Harbor Maine 8.0°C
39 Biddeford Pool Maine 7.9°C
40 Biddeford Maine 7.9°C
41 Goose Rocks Beach Maine 7.9°C
42 Kennebunkport Maine 7.9°C
43 Franklin Maine 7.9°C
44 Hancock Maine 7.9°C
45 Sullivan Maine 7.9°C
46 Lamoine Maine 7.9°C
47 Tremont Maine 7.9°C
48 Trenton Maine 7.9°C
49 Cape Elizabeth Maine 7.9°C
50 Peaks Island Maine 7.9°C

Coldest 10 in Maine in December

Same data the other way.

# Location December mean
1 Acadia Maine 1.4°C
2 Belfast Maine 6.5°C
3 Bucksport Maine 6.5°C
4 Lincolnville Maine 6.5°C
5 Orland Maine 6.5°C
6 Vinalhaven Maine 6.5°C
7 Winterport Maine 6.5°C
8 Bucksport, Penobscot River, Maine Maine 6.7°C
9 Fort Point, Penobscot River Maine 6.7°C
10 Gross Point, Eastern Channel, Penobscot River, Maine Maine 6.7°C

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