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Warmest beach in Massachusetts in July

222 coastal locations in Massachusetts ranked by their typical July sea temperature. State-wide average in July: 20.1°C.

Warmest in July

Clarks Point, New Bedford, Buzzards Bay

22.2°C

State July average

20.1°C

across 222 coastal locations in Massachusetts

Vs annual mean

+8.2°C

above the year-round state average

What the Massachusetts water feels like in July

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

Massachusetts monthly average 3.8°C to 20.8°C
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  • Warmest month August 20.8°C
  • Coldest month February 3.8°C
  • Annual mean 12.0°C
  • Months above 20°C 2 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.

Massachusetts sea temperature map (live)

Today's reading at every Massachusetts 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 Massachusetts beaches in July

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

# Location July mean
1 Clarks Point, New Bedford, Buzzards Bay Massachusetts 22.2°C
2 Marion Center Massachusetts 22.2°C
3 Marion, Sippican Harbor, Buzzards Bay, Massachusetts Massachusetts 22.2°C
4 Mattapoisett, Mattapoisett Harbor, Buzzards Bay, Massachusetts Massachusetts 22.2°C
5 New Bedford, Buzzards Bay, Massachusetts Massachusetts 22.2°C
6 Round Hill Point, Buzzards Bay Massachusetts 22.2°C
7 South Dartmouth Massachusetts 22.2°C
8 West Island Massachusetts 22.2°C
9 Aquinnah Massachusetts 22.0°C
10 Barnstable Harbor, Beach Point, Cape Cod Bay, Massachusetts Massachusetts 21.8°C
11 Cotuit Highlands, Nantucket Sound, Massachusetts Massachusetts 21.8°C
12 Hyannis Port, Nantucket Sound Massachusetts 21.8°C
13 Poponesset Island, Poponesset Bay, Nantucket Sound, Massachusetts Massachusetts 21.8°C
14 Succonnesset Point Massachusetts 21.8°C
15 Abiels Ledge Massachusetts 21.6°C
16 Barlows Landing Massachusetts 21.6°C
17 Cape Cod Canal, RR. bridge, Buzzards Bay Massachusetts 21.6°C
18 Cape Cod Canal (Sta. 320), Bourne Bridge, Cape Cod Bay Massachusetts 21.6°C
19 Cedar Tree Neck, Martha's Vineyard, Massachusetts Massachusetts 21.6°C
20 Chapoquoit Point, West Falmouth Harbor, Buzzards Bay Massachusetts 21.6°C
21 East Chop Massachusetts 21.6°C
22 Falmouth Heights, Nantucket Sound, Massachusetts Massachusetts 21.6°C
23 Gray Gables, Buzzards Bay Massachusetts 21.6°C
24 Great Hill, Buzzards Bay Massachusetts 21.6°C
25 Great Hill Point Massachusetts 21.6°C
Show 25 more ▸
26 Little Harbor, Woods Hole, Massachusetts Massachusetts 21.6°C
27 Martha's Vineyard GPS buoy, Martha's Vineyard Massachusetts 21.6°C
28 Monument Beach, Buzzards Bay, Massachusetts Massachusetts 21.6°C
29 Nobska Beach Massachusetts 21.6°C
30 Oak Bluffs, Martha's Vineyard, Massachusetts Massachusetts 21.6°C
31 Piney Point, Buzzards Bay Massachusetts 21.6°C
32 South Beach (Martha's Vineyard) Massachusetts 21.6°C
33 Uncatena Island (south side), Woods Hole, Massachusetts Massachusetts 21.6°C
34 Vineyard Haven Harbor, Vineyard Haven Massachusetts 21.6°C
35 West Chop Massachusetts 21.6°C
36 Cuttyhunk, Massachusetts Massachusetts 21.6°C
37 Gay Head, Martha's Vineyard, Massachusetts Massachusetts 21.6°C
38 Kettle Cove Massachusetts 21.6°C
39 Menemsha Bight Massachusetts 21.6°C
40 Menemsha Harbor Massachusetts 21.6°C
41 Nomans Land, Martha's Vineyard, Massachusetts Massachusetts 21.6°C
42 Penikese Island, Buzzards Bay Massachusetts 21.6°C
43 Quicks Hole, North side, Massachusetts Massachusetts 21.6°C
44 Squibnocket Point, Martha's Vineyard, Massachusetts Massachusetts 21.6°C
45 Tarpaulin Cove Massachusetts 21.6°C
46 Bourne Massachusetts 21.5°C
47 Buzzards Bay Massachusetts 21.5°C
48 Cape Poge Massachusetts 21.5°C
49 East Falmouth Massachusetts 21.5°C
50 Falmouth Massachusetts 21.5°C

Coldest 10 in Massachusetts in July

Same data the other way.

# Location July mean
1 Texas Tower, Georges Shoal Massachusetts 16.3°C
2 Tom Nevers Beach Massachusetts 17.9°C
3 Merrimacport, Merrimack River Massachusetts 18.4°C
4 Plum Island, Merrimack River Entrance, Merrimack River Massachusetts 18.4°C
5 Riverside, Merrimack River Massachusetts 18.4°C
6 Salisbury Point, Merrimack River Massachusetts 18.4°C
7 Gloucester Massachusetts 18.4°C
8 Good Harbor Beach Massachusetts 18.4°C
9 Newburyport Massachusetts 18.4°C
10 Rockport Massachusetts 18.4°C

Other US states

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