Skip to content
seatemperatures.net

Warmest beach in Massachusetts in August

222 coastal locations in Massachusetts ranked by their typical August sea temperature. State-wide average in August: 20.8°C.

Warmest in August

Aquinnah

22.7°C

State August average

20.8°C

across 222 coastal locations in Massachusetts

Vs annual mean

+8.8°C

above the year-round state average

What the Massachusetts water feels like in August

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
J
F
M
A
M
J
J
A
S
O
N
D
  • 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 August fits in the year

August 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 August 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 August

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

# Location August mean
1 Aquinnah Massachusetts 22.7°C
2 Clarks Point, New Bedford, Buzzards Bay Massachusetts 22.6°C
3 Marion Center Massachusetts 22.6°C
4 Marion, Sippican Harbor, Buzzards Bay, Massachusetts Massachusetts 22.6°C
5 Mattapoisett, Mattapoisett Harbor, Buzzards Bay, Massachusetts Massachusetts 22.6°C
6 New Bedford, Buzzards Bay, Massachusetts Massachusetts 22.6°C
7 Round Hill Point, Buzzards Bay Massachusetts 22.6°C
8 South Dartmouth Massachusetts 22.6°C
9 West Island Massachusetts 22.6°C
10 Bourne Massachusetts 22.4°C
11 Buzzards Bay Massachusetts 22.4°C
12 East Falmouth Massachusetts 22.4°C
13 Falmouth Massachusetts 22.4°C
14 Monument Beach Massachusetts 22.4°C
15 North Falmouth Massachusetts 22.4°C
16 Old Silver Beach Massachusetts 22.4°C
17 Onset Massachusetts 22.4°C
18 Pocasset Massachusetts 22.4°C
19 South Cape Beach Massachusetts 22.4°C
20 Teaticket Massachusetts 22.4°C
21 West Falmouth Massachusetts 22.4°C
22 Weweantic Massachusetts 22.4°C
23 Woods Hole Massachusetts 22.4°C
24 Barnstable Harbor, Beach Point, Cape Cod Bay, Massachusetts Massachusetts 22.3°C
25 Cotuit Highlands, Nantucket Sound, Massachusetts Massachusetts 22.3°C
Show 25 more ▸
26 Hyannis Port, Nantucket Sound Massachusetts 22.3°C
27 Poponesset Island, Poponesset Bay, Nantucket Sound, Massachusetts Massachusetts 22.3°C
28 Succonnesset Point Massachusetts 22.3°C
29 Abiels Ledge Massachusetts 22.3°C
30 Barlows Landing Massachusetts 22.3°C
31 Cape Cod Canal, RR. bridge, Buzzards Bay Massachusetts 22.3°C
32 Cape Cod Canal (Sta. 320), Bourne Bridge, Cape Cod Bay Massachusetts 22.3°C
33 Cedar Tree Neck, Martha's Vineyard, Massachusetts Massachusetts 22.3°C
34 Chapoquoit Point, West Falmouth Harbor, Buzzards Bay Massachusetts 22.3°C
35 East Chop Massachusetts 22.3°C
36 Falmouth Heights, Nantucket Sound, Massachusetts Massachusetts 22.3°C
37 Gray Gables, Buzzards Bay Massachusetts 22.3°C
38 Great Hill, Buzzards Bay Massachusetts 22.3°C
39 Great Hill Point Massachusetts 22.3°C
40 Little Harbor, Woods Hole, Massachusetts Massachusetts 22.3°C
41 Martha's Vineyard GPS buoy, Martha's Vineyard Massachusetts 22.3°C
42 Monument Beach, Buzzards Bay, Massachusetts Massachusetts 22.3°C
43 Nobska Beach Massachusetts 22.3°C
44 Oak Bluffs, Martha's Vineyard, Massachusetts Massachusetts 22.3°C
45 Piney Point, Buzzards Bay Massachusetts 22.3°C
46 South Beach (Martha's Vineyard) Massachusetts 22.3°C
47 Uncatena Island (south side), Woods Hole, Massachusetts Massachusetts 22.3°C
48 Vineyard Haven Harbor, Vineyard Haven Massachusetts 22.3°C
49 West Chop Massachusetts 22.3°C
50 Cape Poge Massachusetts 22.2°C

Coldest 10 in Massachusetts in August

Same data the other way.

# Location August mean
1 Texas Tower, Georges Shoal Massachusetts 18.1°C
2 Tom Nevers Beach Massachusetts 18.8°C
3 Merrimacport, Merrimack River Massachusetts 19.1°C
4 Plum Island, Merrimack River Entrance, Merrimack River Massachusetts 19.1°C
5 Riverside, Merrimack River Massachusetts 19.1°C
6 Salisbury Point, Merrimack River Massachusetts 19.1°C
7 Gloucester Massachusetts 19.2°C
8 Good Harbor Beach Massachusetts 19.2°C
9 Newburyport Massachusetts 19.2°C
10 Rockport Massachusetts 19.2°C

Other US states

Related rankings