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Coldest beach in Maine in January

158 coastal locations in Maine ranked by their typical January sea temperature. State-wide average in January: 5.5°C.

Coldest in January

Acadia

0.3°C

State January average

5.5°C

across 158 coastal locations in Maine

Vs annual mean

-4.4°C

below the year-round state average

What the Maine water feels like in January

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 January fits in the year

January 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 January 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 January

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

# Location January mean
1 Burnt Island, Georges Islands, Maine Maine 5.6°C
2 Friendship Harbor, Maine Maine 5.6°C
3 Jones Neck, Medomak River, Maine Maine 5.6°C
4 Monhegan Island, Maine Maine 5.6°C
5 Muscongus Harbor, Muscongus Sound, Maine Maine 5.6°C
6 New Harbor, Muscongus Bay, Maine Maine 5.6°C
7 Port Clyde, St. George River, Maine Maine 5.6°C
8 Freeport Maine 5.6°C
9 Lamoine Maine 5.5°C
10 Tremont Maine 5.5°C
11 Trenton Maine 5.5°C
12 Cushing Maine 5.5°C
13 Franklin Maine 5.5°C
14 Hancock Maine 5.5°C
15 Sullivan Maine 5.5°C
16 Damariscove Harbor, Damariscove Island, Maine Maine 5.5°C
17 East Boothbay, Damariscotta River, Maine Maine 5.5°C
18 Newcastle, Damariscotta River, Maine Maine 5.5°C
19 Pemaquid Harbor, Johns Bay, Maine Maine 5.5°C
20 Sheepscot (below rapids), Sheepscot River, Maine Maine 5.5°C
21 Southport, Townsend Gut, Maine Maine 5.5°C
22 Walpole, Damariscotta River Maine 5.5°C
23 Ellsworth, Union River, Blue Hill Bay Maine 5.5°C
24 Prospect Harbor, Maine Maine 5.5°C
25 Prospect Harbour Maine 5.5°C
Show 25 more ▸
26 Winter Harbor, Frenchman Bay, Maine Maine 5.5°C
27 Richmond Maine 5.4°C
28 Blue Hill Harbor, Blue Hill Bay, Maine Maine 5.1°C
29 Center Harbor, Eggemoggin Reach, Maine Maine 5.1°C
30 Isle Au Haut, Penobscot Bay, Maine Maine 5.1°C
31 Little Deer Isle, Eggemoggin Reach, Maine Maine 5.1°C
32 Oceanville, Deer Isle, Penobscot Bay Maine 5.1°C
33 Stonington, Deer Isle, Penobscot Bay, Maine Maine 5.1°C
34 Sedgwick Maine 5.0°C
35 Surry Maine 5.0°C
36 North Haven, Penobscot Bay, Maine Maine 4.6°C
37 Pulpit Harbor, North Haven Island, Penobscot Bay Maine 4.6°C
38 Vinalhaven, Vinalhaven Island, Penobscot Bay, Maine Maine 4.6°C
39 Castine Maine 4.4°C
40 Bucksport, Penobscot River, Maine Maine 3.9°C
41 Fort Point, Penobscot River Maine 3.9°C
42 Gross Point, Eastern Channel, Penobscot River, Maine Maine 3.9°C
43 Sandy Point, Penobscot River, Maine Maine 3.9°C
44 Belfast Maine 3.5°C
45 Bucksport Maine 3.5°C
46 Lincolnville Maine 3.5°C
47 Orland Maine 3.5°C
48 Vinalhaven Maine 3.5°C
49 Winterport Maine 3.5°C
50 Acadia Maine 0.3°C

Warmest 10 in Maine in January

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

# Location January mean
1 Cutler Maine 6.5°C
2 Casco Bay Maine 6.4°C
3 Eastport Maine 6.4°C
4 Machiasport Maine 6.4°C
5 Birch Islands, Cobscook Bay, Maine Maine 6.3°C
6 Coffin Point, Coffin Neck Maine 6.3°C
7 Cutler, Little River, Maine Maine 6.3°C
8 Garnet Point, Hersey Neck, Pennamquan River, Cobscook Bay Maine 6.3°C
9 Gravelly Point, Whiting Bay Maine 6.3°C
10 Bremen Maine 6.3°C

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