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Coldest beach in Maine in April

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

Coldest in April

Acadia

2.4°C

State April average

5.5°C

across 158 coastal locations in Maine

Vs annual mean

-4.5°C

below the year-round state average

What the Maine water feels like in April

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 April fits in the year

April 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 April 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 April

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

# Location April mean
1 Bass Harbor, Mount Desert Island, Maine Maine 5.1°C
2 Blue Hill Harbor, Blue Hill Bay, Maine Maine 5.1°C
3 Center Harbor, Eggemoggin Reach, Maine Maine 5.1°C
4 Isle Au Haut, Penobscot Bay, Maine Maine 5.1°C
5 Little Deer Isle, Eggemoggin Reach, Maine Maine 5.1°C
6 Mackerel Cove, Swans Island, Blue Hill Bay Maine 5.1°C
7 Oceanville, Deer Isle, Penobscot Bay Maine 5.1°C
8 Southwest Harbor, Mount Desert Island, Maine Maine 5.1°C
9 Green Island, Petit Manan Bar, Maine Maine 5.1°C
10 Ellsworth, Union River, Blue Hill Bay Maine 5.0°C
11 Prospect Harbor, Maine Maine 5.0°C
12 Prospect Harbour Maine 5.0°C
13 Winter Harbor, Frenchman Bay, Maine Maine 5.0°C
14 Cutler Maine 5.0°C
15 Lamoine Maine 5.0°C
16 Tremont Maine 5.0°C
17 Trenton Maine 5.0°C
18 Bar Harbor Maine 5.0°C
19 Sedgwick Maine 5.0°C
20 Surry Maine 5.0°C
21 Castine Maine 5.0°C
22 Machiasport Maine 5.0°C
23 Addison Maine 5.0°C
24 Beals Island Maine 5.0°C
25 Jonesport Maine 5.0°C
Show 25 more ▸
26 Belfast Maine 5.0°C
27 Bucksport Maine 5.0°C
28 Lincolnville Maine 5.0°C
29 Orland Maine 5.0°C
30 Vinalhaven Maine 5.0°C
31 Winterport Maine 5.0°C
32 Milbridge Maine 4.9°C
33 Steuben Maine 4.9°C
34 Franklin Maine 4.9°C
35 Hancock Maine 4.9°C
36 Sullivan Maine 4.9°C
37 Birch Islands, Cobscook Bay, Maine Maine 4.8°C
38 Coffin Point, Coffin Neck Maine 4.8°C
39 Cutler, Little River, Maine Maine 4.8°C
40 Garnet Point, Hersey Neck, Pennamquan River, Cobscook Bay Maine 4.8°C
41 Gravelly Point, Whiting Bay Maine 4.8°C
42 Cutler Naval Base, Machias Bay Maine 4.8°C
43 Shoppee Point, Englishman Bay, Maine Maine 4.8°C
44 Stone Island, Machias Bay, Maine Maine 4.8°C
45 Eastport Maine 4.8°C
46 Gulf of Maine Maine 4.8°C
47 Eastport, Passamaquoddy Bay Maine 4.6°C
48 Pettegrove Point, Dochet Island Maine 4.6°C
49 West Quoddy Head Maine 4.6°C
50 Acadia Maine 2.4°C

Warmest 10 in Maine in April

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

# Location April mean
1 Atlantic Heights, Piscataqua River, New Hampshire Maine 6.1°C
2 Cape Neddick, Maine Maine 6.1°C
3 Fort Point, York Harbor, Maine Maine 6.1°C
4 Gerrish Island, Portsmouth Harbor, New Hampshire Maine 6.1°C
5 Kennebunk Beach Maine 6.1°C
6 Kittery Point, Portsmouth Harbor, New Hampshire Maine 6.1°C
7 Seapoint, Cutts Island, Maine Maine 6.1°C
8 Seavey Island, Portsmouth Harbor Maine 6.1°C
9 Wells, Webhannet River Maine 6.1°C
10 York Harbor, Maine Maine 6.1°C

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