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Warmest beach in Maine in July

158 coastal locations in Maine ranked by their typical July sea temperature. State-wide average in July: 15.6°C.

Warmest in July

Kittery

18.4°C

State July average

15.6°C

across 158 coastal locations in Maine

Vs annual mean

+5.7°C

above the year-round state average

What the Maine water feels like in July

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.

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 July fits in the year

July 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 July 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 July

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

# Location July mean
1 Kittery Maine 18.4°C
2 Ogunquit Maine 18.4°C
3 York Beach Maine 18.4°C
4 York Harbor Maine 18.4°C
5 Biddeford Pool Maine 18.2°C
6 Biddeford Maine 18.2°C
7 Goose Rocks Beach Maine 18.2°C
8 Kennebunkport Maine 18.2°C
9 Casco Bay Maine 18.1°C
10 Wells Maine 18.1°C
11 Atlantic Heights, Piscataqua River, New Hampshire Maine 18.0°C
12 Cape Neddick, Maine Maine 18.0°C
13 Fort Point, York Harbor, Maine Maine 18.0°C
14 Gerrish Island, Portsmouth Harbor, New Hampshire Maine 18.0°C
15 Kennebunk Beach Maine 18.0°C
16 Kittery Point, Portsmouth Harbor, New Hampshire Maine 18.0°C
17 Seapoint, Cutts Island, Maine Maine 18.0°C
18 Seavey Island, Portsmouth Harbor Maine 18.0°C
19 Wells, Webhannet River Maine 18.0°C
20 York Harbor, Maine Maine 18.0°C
21 Cape Elizabeth Maine 17.9°C
22 Peaks Island Maine 17.9°C
23 South Portland Maine 17.9°C
24 Higgins Beach Maine 17.8°C
25 Old Orchard Beach Maine 17.8°C
Show 25 more ▸
26 Portland Maine 17.8°C
27 Scarborough Maine 17.8°C
28 Back Cove, Casco Bay, Maine Maine 17.8°C
29 Biddeford, Saco River Maine 17.8°C
30 Camp Ellis, Saco River Entrance Maine 17.8°C
31 Cape Porpoise, Maine Maine 17.8°C
32 Fore River, Casco Bay, Maine Maine 17.8°C
33 Pine Point Maine 17.8°C
34 Saco Bay Maine 17.8°C
35 Scarborough Beach Maine 17.8°C
36 Brunswick, Androscoggin River, Kennebec River, Maine Maine 17.6°C
37 Cundy Harbor, New Meadows River, Casco Bay, Maine Maine 17.6°C
38 Fort Popham, Hunniwell Point, Kennebec River Maine 17.6°C
39 Howard Point, New Meadows River, Casco Bay, Maine Maine 17.6°C
40 Wilson Cove, Middle Bay, Casco Bay, Maine Maine 17.6°C
41 Cliff Island, Luckse Sound, Casco Bay, Maine Maine 17.5°C
42 Cow Island, Casco Bay, Maine Maine 17.5°C
43 Cushing Island, Casco Bay, Maine Maine 17.5°C
44 Doyle Point, Casco Bay, Maine Maine 17.5°C
45 Falmouth Foreside, Casco Bay, Maine Maine 17.5°C
46 Great Chebeague Island, Casco Bay, Maine Maine 17.5°C
47 Great Diamond Island, Casco Bay, Maine Maine 17.5°C
48 Long Island, Casco Bay, Maine Maine 17.5°C
49 Peak Island, Casco Bay, Maine Maine 17.5°C
50 Portland, Casco Bay Maine 17.5°C

Coldest 10 in Maine in July

Same data the other way.

# Location July mean
1 Acadia Maine 10.0°C
2 Gulf of Maine Maine 11.6°C
3 Cutler Naval Base, Machias Bay Maine 11.7°C
4 Shoppee Point, Englishman Bay, Maine Maine 11.7°C
5 Stone Island, Machias Bay, Maine Maine 11.7°C
6 Birch Islands, Cobscook Bay, Maine Maine 11.8°C
7 Coffin Point, Coffin Neck Maine 11.8°C
8 Cutler, Little River, Maine Maine 11.8°C
9 Garnet Point, Hersey Neck, Pennamquan River, Cobscook Bay Maine 11.8°C
10 Gravelly Point, Whiting Bay Maine 11.8°C

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