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Coldest beach in Massachusetts in May

222 coastal locations in Massachusetts ranked by their typical May sea temperature. State-wide average in May: 11.1°C.

Coldest in May

Texas Tower, Georges Shoal

9.2°C

State May average

11.1°C

across 222 coastal locations in Massachusetts

Vs annual mean

-0.8°C

below the year-round state average

What the Massachusetts water feels like in May

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

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 May fits in the year

May 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 May 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 May

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

# Location May mean
1 Boston Harbor Massachusetts 10.6°C
2 Duxbury Beach Massachusetts 10.6°C
3 Duxbury Massachusetts 10.6°C
4 Hull Massachusetts 10.6°C
5 Humarock Massachusetts 10.6°C
6 Lynn Massachusetts 10.6°C
7 Marblehead Massachusetts 10.6°C
8 Marshfield Massachusetts 10.6°C
9 Nahant Beach Massachusetts 10.6°C
10 Nahant Massachusetts 10.6°C
11 Nantasket Beach Massachusetts 10.6°C
12 Ocean Bluff Brant Rock Massachusetts 10.6°C
13 Revere Beach Massachusetts 10.6°C
14 Chatham, Cape Cod Massachusetts 10.3°C
15 Chatham Harbor, Aunt Lydias Cove, Cape Cod, Massachusetts Massachusetts 10.3°C
16 Chatham, Stage Harbor, Cape Cod Massachusetts 10.3°C
17 Pleasant Bay, Cape Cod, Massachusetts Massachusetts 10.3°C
18 Stage Harbor, Nantucket Sound, Massachusetts Massachusetts 10.3°C
19 Annisquam, Lobster Cove, Massachusetts Massachusetts 10.3°C
20 Provincetown, Cape Cod Massachusetts 10.3°C
21 Brewster Massachusetts 10.2°C
22 Corporation Beach Massachusetts 10.2°C
23 First Encounter Beach Massachusetts 10.2°C
24 Skaket Beach Massachusetts 10.2°C
25 Wellfleet Massachusetts 10.2°C
Show 25 more ▸
26 Siasconset Massachusetts 10.2°C
27 Wauwinet Massachusetts 10.2°C
28 Merrimacport, Merrimack River Massachusetts 10.2°C
29 Plum Island, Merrimack River Entrance, Merrimack River Massachusetts 10.2°C
30 Riverside, Merrimack River Massachusetts 10.2°C
31 Salisbury Point, Merrimack River Massachusetts 10.2°C
32 Gloucester Massachusetts 10.1°C
33 Good Harbor Beach Massachusetts 10.1°C
34 Newburyport Massachusetts 10.1°C
35 Rockport Massachusetts 10.1°C
36 Salisbury Massachusetts 10.1°C
37 Wingaersheek Beach Massachusetts 10.1°C
38 Chatham Massachusetts 10.1°C
39 Herring Cove Beach Massachusetts 9.9°C
40 North Truro Massachusetts 9.9°C
41 Provincetown Massachusetts 9.9°C
42 Race Point Beach Massachusetts 9.9°C
43 Truro Massachusetts 9.9°C
44 Tom Nevers Beach Massachusetts 9.8°C
45 Coast Guard Beach Massachusetts 9.8°C
46 Eastham Massachusetts 9.8°C
47 Marconi Beach Massachusetts 9.8°C
48 Nauset Beach Massachusetts 9.8°C
49 Orleans Massachusetts 9.8°C
50 Texas Tower, Georges Shoal Massachusetts 9.2°C

Warmest 10 in Massachusetts in May

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

# Location May mean
1 Clarks Point, New Bedford, Buzzards Bay Massachusetts 12.9°C
2 Marion Center Massachusetts 12.9°C
3 Marion, Sippican Harbor, Buzzards Bay, Massachusetts Massachusetts 12.9°C
4 Mattapoisett, Mattapoisett Harbor, Buzzards Bay, Massachusetts Massachusetts 12.9°C
5 New Bedford, Buzzards Bay, Massachusetts Massachusetts 12.9°C
6 Round Hill Point, Buzzards Bay Massachusetts 12.9°C
7 South Dartmouth Massachusetts 12.9°C
8 West Island Massachusetts 12.9°C
9 Aquinnah Massachusetts 12.6°C
10 Cuttyhunk, Massachusetts Massachusetts 12.2°C

Other US states

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