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Warmest beach in Connecticut in July

61 coastal locations in Connecticut ranked by their typical July sea temperature. State-wide average in July: 22.6°C.

Warmest in July

Byram

23.9°C

State July average

22.6°C

across 61 coastal locations in Connecticut

Vs annual mean

+9.3°C

above the year-round state average

What the Connecticut 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.

Connecticut monthly average 3.1°C to 23.3°C
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  • Warmest month August 23.3°C
  • Coldest month February 3.1°C
  • Annual mean 13.2°C
  • Months above 20°C 3 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.

Connecticut sea temperature map (live)

Today's reading at every Connecticut 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 Connecticut beaches in July

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

# Location July mean
1 Byram Connecticut 23.9°C
2 Cos Cob Connecticut 23.9°C
3 Greenwich Connecticut 23.9°C
4 Old Greenwich Connecticut 23.9°C
5 Stamford Connecticut 23.9°C
6 Darien Connecticut 23.7°C
7 Fairfield Connecticut 23.7°C
8 Norwalk Connecticut 23.7°C
9 Westport Connecticut 23.7°C
10 Great Captain Island Connecticut 23.6°C
11 Black Rock Harbor, Cedar Creek Connecticut 23.3°C
12 Gulf Beach, Connecticut Connecticut 23.3°C
13 Long Hill, Housatonic River, Connecticut Connecticut 23.3°C
14 Milford Harbor, Connecticut Connecticut 23.3°C
15 Shelton, Housatonic River, Connecticut Connecticut 23.3°C
16 Sniffens Point, Housatonic River, Connecticut Connecticut 23.3°C
17 Stratford, I-95 bridge, Housatonic River, Connecticut Connecticut 23.3°C
18 Cos Cob Harbor, Connecticut Connecticut 23.3°C
19 East Norwalk Connecticut 23.3°C
20 Long Neck Point, Long Island Sound Connecticut 23.3°C
21 Mianus Connecticut 23.3°C
22 Rowayton, Fivemile River, Connecticut Connecticut 23.3°C
23 Saugatuck, Saugatuck River, Long Island Sound Connecticut 23.3°C
24 South Norwalk, Connecticut Connecticut 23.3°C
25 South Norwalk, Norwalk River Connecticut 23.3°C
Show 25 more ▸
26 Southport, Southport Harbor Connecticut 23.3°C
27 Stamford Harbor, Stamford Connecticut 23.3°C
28 Branford Connecticut 23.2°C
29 Bridgeport Connecticut 23.2°C
30 Milford Connecticut 23.2°C
31 New Haven Connecticut 23.2°C
32 West Haven Connecticut 23.2°C
33 Haddam, Connecticut River, Connecticut Connecticut 22.5°C
34 Clinton Connecticut 22.4°C
35 Guilford Connecticut 22.4°C
36 Hammonasset Beach Connecticut 22.4°C
37 Madison Connecticut 22.4°C
38 Woodmont Connecticut 22.4°C
39 East Haddam Connecticut 21.8°C
40 Essex, Connecticut River, Connecticut Connecticut 21.8°C
41 Hadlyme, Connecticut River, Connecticut Connecticut 21.8°C
42 Lyme, highway bridge, Connecticut River, Connecticut Connecticut 21.8°C
43 Saybrook Jetty, Connecticut River, Connecticut Connecticut 21.8°C
44 Saybrook Point, Connecticut River, Connecticut Connecticut 21.8°C
45 Tylerville, Connecticut River, Connecticut Connecticut 21.8°C
46 Old Lyme Connecticut 21.5°C
47 Old Saybrook Connecticut 21.5°C
48 Saybrook Manor Connecticut 21.5°C
49 Westbrook Connecticut 21.5°C
50 New London, Thames River Connecticut 21.3°C

Coldest 10 in Connecticut in July

Same data the other way.

# Location July mean
1 Mystic Connecticut 20.9°C
2 Noank Connecticut 20.9°C
3 Stonington Connecticut 20.9°C
4 Groton Connecticut 21.0°C
5 New London Connecticut 21.0°C
6 Niantic Connecticut 21.0°C
7 Ocean Beach Park Connecticut 21.0°C
8 Waterford Connecticut 21.0°C
9 West Mystic, Mystic River, Long Island Sound Connecticut 21.1°C
10 New London, Thames River Connecticut 21.3°C

Other US states

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