Southport, Connecticut Climate
United States
Pop. 1,585 Elev. 9 m / 30 ft
TZ: America/New_York (UTC-4) ·
Southport has mild summers with average highs of 83°F (28°C) in July, and cold winters averaging 25°F (-4°C) in January. Humidity pushes the summer feels-like temperature to 91°F (33°C), while wind chill can drive winter lows to 16°F (-9°C). Rain falls on about 67 days per year (42.1 in / 1070 mm total), with snow on 6 days and 34 in (864 mm) of annual accumulation. The city averages 123 sunny days per year and around 36 thunderstorm days. Ocean water temperatures reach 76°F (24°C) in summer.
| Temperature | 83°F (29°C) high | 25°F (-4°C) low |
| Feels like | 91°F (33°C) high | 16°F (-9°C) low |
| Rain | 67 days | 42.1 in (1070 mm) /yr |
| Snow | 6 days | 34.0 in (864 mm) /yr |
| Sky | 123 sunny | 36 stormy |
| Wind | 3.4 mph (1.5 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
42
Jan 64
Feb 56
Mar 68
Apr 73
May 65
Jun 58
Jul 43
Aug 52
Sep 43
Oct 51
Nov 55
Dec Humidity (%)
58
Jan 62
Feb 60
Mar 59
Apr 75
May 73
Jun 75
Jul 66
Aug 73
Sep 67
Oct 63
Nov 61
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 25 mi Long Island MacArthur Airport (ISP)
Ski resort 36 mi Mount Southington Ski Area
National park 94 mi Connecticut River Greenway State Park
Mountain peak
(4,971 ft) 208 mi Schofield Cobble
Hospital 3 mi Behavioral Health Services Westport
Hiking trail 2 mi Putnam Preserve Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 35°F 2°C | 25°F -4°C | 1.0 in 25 mm | 4.7 in119 mm | 16 |
| February | 38°F 3°C | 27°F -3°C | 2.1 in 54 mm | 16.9 in430 mm | 6 |
| March | 51°F 11°C | 36°F 2°C | 4.5 in 113 mm | 0.1 in4 mm | 9 |
| April | 59°F 15°C | 45°F 7°C | 4.2 in 106 mm | 1.3 in34 mm | 5 |
| May | 65°F 19°C | 54°F 12°C | 7.5 in 190 mm | — | 5 |
| June | 77°F 25°C | 64°F 18°C | 2.2 in 57 mm | — | 8 |
| July | 83°F 29°C | 71°F 21°C | 3.9 in 99 mm | — | 10 |
| August | 79°F 26°C | 64°F 18°C | 2.1 in 54 mm | — | 16 |
| September | 75°F 24°C | 61°F 16°C | 3.2 in 81 mm | — | 10 |
| October | 63°F 17°C | 51°F 10°C | 6.8 in 173 mm | — | 17 |
| November | 51°F 10°C | 40°F 4°C | 2.5 in 63 mm | 0.1 in2 mm | 12 |
| December | 38°F 3°C | 28°F -2°C | 2.2 in 55 mm | 10.9 in277 mm | 9 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 1 |
| February | 6 | 2 |
| March | 9 | 2 |
| April | 5 | 4 |
| May | 5 | 6 |
| June | 8 | 3 |
| July | 10 | 5 |
| August | 16 | 3 |
| September | 10 | 3 |
| October | 17 | 4 |
| November | 12 | 2 |
| December | 9 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 43°F 6°C | 34°F 1°C |
| February | 36°F 2°C | 33°F 0°C |
| March | 41°F 5°C | 37°F 3°C |
| April | 51°F 10°C | 45°F 7°C |
| May | 57°F 14°C | 56°F 13°C |
| June | 70°F 21°C | 65°F 19°C |
| July | 76°F 24°C | 76°F 24°C |
| August | 76°F 24°C | 72°F 22°C |
| September | 72°F 22°C | 67°F 20°C |
| October | 70°F 21°C | 59°F 15°C |
| November | 59°F 15°C | 47°F 8°C |
| December | 49°F 9°C | 36°F 2°C |