Skip to content
seatemperatures.net

Warmest beach in Connecticut in October

61 coastal locations in Connecticut ranked by their typical October sea temperature. State-wide average in October: 18.5°C.

Warmest in October

Darien

19.0°C

State October average

18.5°C

across 61 coastal locations in Connecticut

Vs annual mean

+5.3°C

above the year-round state average

What the Connecticut water feels like in October

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

Connecticut monthly average 3.1°C to 23.3°C
J
F
M
A
M
J
J
A
S
O
N
D
  • 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 October fits in the year

October 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 October 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 October

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

# Location October mean
1 Darien Connecticut 19.0°C
2 Fairfield Connecticut 19.0°C
3 Norwalk Connecticut 19.0°C
4 Westport Connecticut 19.0°C
5 Byram Connecticut 19.0°C
6 Cos Cob Connecticut 19.0°C
7 Greenwich Connecticut 19.0°C
8 Old Greenwich Connecticut 19.0°C
9 Stamford Connecticut 19.0°C
10 Branford Connecticut 18.9°C
11 Bridgeport Connecticut 18.9°C
12 Milford Connecticut 18.9°C
13 New Haven Connecticut 18.9°C
14 West Haven Connecticut 18.9°C
15 Cos Cob Harbor, Connecticut Connecticut 18.9°C
16 East Norwalk Connecticut 18.9°C
17 Long Neck Point, Long Island Sound Connecticut 18.9°C
18 Mianus Connecticut 18.9°C
19 Rowayton, Fivemile River, Connecticut Connecticut 18.9°C
20 Saugatuck, Saugatuck River, Long Island Sound Connecticut 18.9°C
21 South Norwalk, Connecticut Connecticut 18.9°C
22 South Norwalk, Norwalk River Connecticut 18.9°C
23 Southport, Southport Harbor Connecticut 18.9°C
24 Stamford Harbor, Stamford Connecticut 18.9°C
25 Black Rock Harbor, Cedar Creek Connecticut 18.9°C
Show 25 more ▸
26 Gulf Beach, Connecticut Connecticut 18.9°C
27 Long Hill, Housatonic River, Connecticut Connecticut 18.9°C
28 Milford Harbor, Connecticut Connecticut 18.9°C
29 Shelton, Housatonic River, Connecticut Connecticut 18.9°C
30 Sniffens Point, Housatonic River, Connecticut Connecticut 18.9°C
31 Stratford, I-95 bridge, Housatonic River, Connecticut Connecticut 18.9°C
32 Clinton Connecticut 18.7°C
33 Guilford Connecticut 18.7°C
34 Hammonasset Beach Connecticut 18.7°C
35 Madison Connecticut 18.7°C
36 Woodmont Connecticut 18.7°C
37 Haddam, Connecticut River, Connecticut Connecticut 18.5°C
38 Old Lyme Connecticut 18.3°C
39 Old Saybrook Connecticut 18.3°C
40 Saybrook Manor Connecticut 18.3°C
41 Westbrook Connecticut 18.3°C
42 Great Captain Island Connecticut 18.1°C
43 East Haddam Connecticut 18.1°C
44 Essex, Connecticut River, Connecticut Connecticut 18.1°C
45 Hadlyme, Connecticut River, Connecticut Connecticut 18.1°C
46 Lyme, highway bridge, Connecticut River, Connecticut Connecticut 18.1°C
47 Saybrook Jetty, Connecticut River, Connecticut Connecticut 18.1°C
48 Saybrook Point, Connecticut River, Connecticut Connecticut 18.1°C
49 Tylerville, Connecticut River, Connecticut Connecticut 18.1°C
50 Groton Connecticut 18.0°C

Coldest 10 in Connecticut in October

Same data the other way.

# Location October mean
1 West Mystic, Mystic River, Long Island Sound Connecticut 17.6°C
2 Mystic Connecticut 17.7°C
3 Noank Connecticut 17.7°C
4 Stonington Connecticut 17.7°C
5 New London, Thames River Connecticut 17.8°C
6 Norwich, Thames River, Connecticut Connecticut 17.8°C
7 Yale boathouse, Thames River, Connecticut Connecticut 17.8°C
8 Groton Connecticut 18.0°C
9 New London Connecticut 18.0°C
10 Niantic Connecticut 18.0°C

Other US states

Related rankings