Skip to content
seatemperatures.net

Coldest 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.

Coldest in July

Acadia

10.0°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
J
F
M
A
M
J
J
A
S
O
N
D
  • 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 coldest Maine beaches in July

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

# Location July mean
1 Castine Maine 14.3°C
2 Deer Isle Maine 14.1°C
3 Stonington Maine 14.1°C
4 Frenchboro Maine 14.0°C
5 Swans Island Maine 14.0°C
6 Blue Hill Harbor, Blue Hill Bay, Maine Maine 13.7°C
7 Center Harbor, Eggemoggin Reach, Maine Maine 13.7°C
8 Isle Au Haut, Penobscot Bay, Maine Maine 13.7°C
9 Little Deer Isle, Eggemoggin Reach, Maine Maine 13.7°C
10 Oceanville, Deer Isle, Penobscot Bay Maine 13.7°C
11 Stonington, Deer Isle, Penobscot Bay, Maine Maine 13.7°C
12 Sedgwick Maine 13.7°C
13 Surry Maine 13.7°C
14 Bass Harbor, Mount Desert Island, Maine Maine 13.4°C
15 Mackerel Cove, Swans Island, Blue Hill Bay Maine 13.4°C
16 Southwest Harbor, Mount Desert Island, Maine Maine 13.4°C
17 Lamoine Maine 13.3°C
18 Tremont Maine 13.3°C
19 Trenton Maine 13.3°C
20 Bar Harbor Maine 12.9°C
21 Steele Harbor Island, Maine Maine 12.7°C
22 Cutler Maine 12.6°C
23 Ellsworth, Union River, Blue Hill Bay Maine 12.6°C
24 Prospect Harbor, Maine Maine 12.6°C
25 Prospect Harbour Maine 12.6°C
Show 25 more ▸
26 Winter Harbor, Frenchman Bay, Maine Maine 12.6°C
27 Green Island, Petit Manan Bar, Maine Maine 12.5°C
28 Machiasport Maine 12.5°C
29 Addison Maine 12.4°C
30 Beals Island Maine 12.4°C
31 Jonesport Maine 12.4°C
32 Eastport, Passamaquoddy Bay Maine 12.2°C
33 Franklin Maine 12.2°C
34 Hancock Maine 12.2°C
35 Pettegrove Point, Dochet Island Maine 12.2°C
36 Sullivan Maine 12.2°C
37 West Quoddy Head Maine 12.2°C
38 Milbridge Maine 12.1°C
39 Steuben Maine 12.1°C
40 Eastport Maine 12.1°C
41 Birch Islands, Cobscook Bay, Maine Maine 11.8°C
42 Coffin Point, Coffin Neck Maine 11.8°C
43 Cutler, Little River, Maine Maine 11.8°C
44 Garnet Point, Hersey Neck, Pennamquan River, Cobscook Bay Maine 11.8°C
45 Gravelly Point, Whiting Bay Maine 11.8°C
46 Cutler Naval Base, Machias Bay Maine 11.7°C
47 Shoppee Point, Englishman Bay, Maine Maine 11.7°C
48 Stone Island, Machias Bay, Maine Maine 11.7°C
49 Gulf of Maine Maine 11.6°C
50 Acadia Maine 10.0°C

Warmest 10 in Maine in July

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

# 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

Other US states

Related rankings