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Coldest beach in Connecticut in April

61 coastal locations in Connecticut ranked by their typical April sea temperature. State-wide average in April: 7.7°C.

Coldest in April

Mystic

7.2°C

State April average

7.7°C

across 61 coastal locations in Connecticut

Vs annual mean

-5.6°C

below the year-round state average

What the Connecticut water feels like in April

This water is very cold and can cause pain. We don't recommend you swim in this temperature for anything other than very short swims of 5 to 10 minutes unless you are a very experienced cold water swimmer.

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 April fits in the year

April 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 April 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 Connecticut beaches in April

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

# Location April mean
1 Cos Cob Harbor, Connecticut Connecticut 7.8°C
2 East Norwalk Connecticut 7.8°C
3 Long Neck Point, Long Island Sound Connecticut 7.8°C
4 Mianus Connecticut 7.8°C
5 Rowayton, Fivemile River, Connecticut Connecticut 7.8°C
6 Saugatuck, Saugatuck River, Long Island Sound Connecticut 7.8°C
7 South Norwalk, Connecticut Connecticut 7.8°C
8 South Norwalk, Norwalk River Connecticut 7.8°C
9 Southport, Southport Harbor Connecticut 7.8°C
10 Black Rock Harbor, Cedar Creek Connecticut 7.7°C
11 Gulf Beach, Connecticut Connecticut 7.7°C
12 Long Hill, Housatonic River, Connecticut Connecticut 7.7°C
13 Milford Harbor, Connecticut Connecticut 7.7°C
14 Shelton, Housatonic River, Connecticut Connecticut 7.7°C
15 Sniffens Point, Housatonic River, Connecticut Connecticut 7.7°C
16 Stratford, I-95 bridge, Housatonic River, Connecticut Connecticut 7.7°C
17 Branford Connecticut 7.7°C
18 Bridgeport Connecticut 7.7°C
19 Milford Connecticut 7.7°C
20 New Haven Connecticut 7.7°C
21 West Haven Connecticut 7.7°C
22 Clinton Connecticut 7.5°C
23 Guilford Connecticut 7.5°C
24 Hammonasset Beach Connecticut 7.5°C
25 Madison Connecticut 7.5°C
Show 25 more ▸
26 Woodmont Connecticut 7.5°C
27 Haddam, Connecticut River, Connecticut Connecticut 7.5°C
28 East Haddam Connecticut 7.5°C
29 Essex, Connecticut River, Connecticut Connecticut 7.5°C
30 Hadlyme, Connecticut River, Connecticut Connecticut 7.5°C
31 Lyme, highway bridge, Connecticut River, Connecticut Connecticut 7.5°C
32 Saybrook Jetty, Connecticut River, Connecticut Connecticut 7.5°C
33 Saybrook Point, Connecticut River, Connecticut Connecticut 7.5°C
34 Tylerville, Connecticut River, Connecticut Connecticut 7.5°C
35 Old Lyme Connecticut 7.5°C
36 Old Saybrook Connecticut 7.5°C
37 Saybrook Manor Connecticut 7.5°C
38 Westbrook Connecticut 7.5°C
39 New London, Thames River Connecticut 7.4°C
40 Norwich, Thames River, Connecticut Connecticut 7.4°C
41 Yale boathouse, Thames River, Connecticut Connecticut 7.4°C
42 Groton Connecticut 7.3°C
43 New London Connecticut 7.3°C
44 Niantic Connecticut 7.3°C
45 Ocean Beach Park Connecticut 7.3°C
46 Waterford Connecticut 7.3°C
47 West Mystic, Mystic River, Long Island Sound Connecticut 7.3°C
48 Mystic Connecticut 7.2°C
49 Noank Connecticut 7.2°C
50 Stonington Connecticut 7.2°C

Warmest 10 in Connecticut in April

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

# Location April mean
1 Great Captain Island Connecticut 8.8°C
2 Byram Connecticut 7.9°C
3 Cos Cob Connecticut 7.9°C
4 Greenwich Connecticut 7.9°C
5 Old Greenwich Connecticut 7.9°C
6 Stamford Connecticut 7.9°C
7 Darien Connecticut 7.8°C
8 Fairfield Connecticut 7.8°C
9 Norwalk Connecticut 7.8°C
10 Westport Connecticut 7.8°C

Other US states

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