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Coldest 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.

Coldest in July

Texas Tower, Georges Shoal

16.3°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 coldest Massachusetts beaches in July

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

# Location July mean
1 Beverly Cove Massachusetts 18.8°C
2 Boston Massachusetts 18.8°C
3 Carson Beach Massachusetts 18.8°C
4 Chelsea Massachusetts 18.8°C
5 Cohasset Massachusetts 18.8°C
6 Crane Beach Massachusetts 18.8°C
7 Essex Massachusetts 18.8°C
8 Hingham Massachusetts 18.8°C
9 Ipswich Massachusetts 18.8°C
10 Manchester by the Sea Massachusetts 18.8°C
11 Plum Island Massachusetts 18.8°C
12 Quincy Massachusetts 18.8°C
13 Salem Massachusetts 18.8°C
14 Singing Beach Massachusetts 18.8°C
15 South Boston Massachusetts 18.8°C
16 Weymouth Massachusetts 18.8°C
17 Amelia Earhart Dam, Mystic River, Boston Harbor Massachusetts 18.8°C
18 Beverly Massachusetts 18.8°C
19 Boston Light, Boston Harbor Massachusetts 18.8°C
20 Charlestown, Charles River entrance, Boston Harbor, Massachusetts Massachusetts 18.8°C
21 Chelsea St. Bridge, Chelsea River, Boston Harbor Massachusetts 18.8°C
22 Crow Point, Hingham Harbor entrance, Massachusetts Massachusetts 18.8°C
23 Deer Island (south end), Boston Harbor, Massachusetts Massachusetts 18.8°C
24 Hull, Massachusetts Massachusetts 18.8°C
25 Lovell Island Massachusetts 18.8°C
Show 25 more ▸
26 Lynn, Lynn Harbor Massachusetts 18.8°C
27 Moon Head, Boston Harbor, Massachusetts Massachusetts 18.8°C
28 Nantasket Beach, Weir River, Massachusetts Massachusetts 18.8°C
29 Neponset, Neponset River, Boston Harbor, Massachusetts Massachusetts 18.8°C
30 Nut Island, Quincy Bay Massachusetts 18.8°C
31 Plum Island Sound (south end) Massachusetts 18.8°C
32 Rainsford Island Massachusetts 18.8°C
33 Salem, Salem Harbor Massachusetts 18.8°C
34 Sheep Island Massachusetts 18.8°C
35 Shipyard Point, Weymouth Fore River Massachusetts 18.8°C
36 Weymouth Back River Massachusetts 18.8°C
37 Weymouth Fore River Bridge, Massachusetts Massachusetts 18.8°C
38 Annisquam, Lobster Cove, Massachusetts Massachusetts 18.7°C
39 Gloucester Massachusetts 18.4°C
40 Good Harbor Beach Massachusetts 18.4°C
41 Newburyport Massachusetts 18.4°C
42 Rockport Massachusetts 18.4°C
43 Salisbury Massachusetts 18.4°C
44 Wingaersheek Beach Massachusetts 18.4°C
45 Merrimacport, Merrimack River Massachusetts 18.4°C
46 Plum Island, Merrimack River Entrance, Merrimack River Massachusetts 18.4°C
47 Riverside, Merrimack River Massachusetts 18.4°C
48 Salisbury Point, Merrimack River Massachusetts 18.4°C
49 Tom Nevers Beach Massachusetts 17.9°C
50 Texas Tower, Georges Shoal Massachusetts 16.3°C

Warmest 10 in Massachusetts in July

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

# 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

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