Hammonasset Beach State Park
Park Connecticut state park with long ocean beachfront
Two-mile beach on Long Island Sound offering swimming, a campground and salt-marsh trails; visitors come for shoreline walks, fishing, birdwatching and the park’s seasonal educational programs.
Hammonasset Beach State Park is a coastal state park in Connecticut that preserves a long sandy barrier beach and adjacent marshes on Long Island Sound. It is Connecticut’s largest shoreline park and a major destination for swimming, picnicking and coastal recreation.
The park’s main attraction is its continuous sandy beach, backed by dunes, picnic areas and a large seasonal campground. Trails through coastal wetlands and woodlands provide birdwatching and nature-interpretation opportunities away from the surf.
The park is located on the Connecticut shoreline in the town of Madison, with road access from Interstate 95 and nearby coastal towns.
- Beach length: The park contains about 2 miles of continuous sandy shoreline on Long Island Sound, making it Connecticut's largest shoreline park.
- Facilities: A large campground and picnic facilities support multi-day visits and birdwatching along the marsh and shoreline habitats.
How to Get to Hammonasset Beach State Park #
Hammonasset is on US‑1 (Boston Post Road) roughly halfway between New Haven and New London. It is easily reached by car; local commuter rail reaches nearby stations with short taxi or bus connections in season.
Tips for Visiting Hammonasset Beach State Park #
- Arrive early to secure a shoreline parking spot during summer weekends.
- Walk the Meigs Point nature center trails for a quieter marsh and birding experience away from the main beach.
- For a calm visit, go midweek or in late afternoon when daytrippers begin to leave.
Best Time to Visit Hammonasset Beach State Park #
Summer for full beach experience; spring and autumn for quieter visits and birding.
Weather & Climate near Hammonasset Beach State Park #
Temperate climate with warm summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -6°C to 28°C. Abundant rainfall (1202 mm/year), wettest in November, distributed fairly evenly throughout the year.
January
January is the coldest month with highs of 3°C and lows of -6°C. Significant rainfall (102 mm).
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February
February is freezing with highs of 4°C and lows of -6°C. Regular rainfall (91 mm).
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March
March is cold with highs of 8°C and lows of -1°C. Significant rainfall (106 mm).
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April
April is cold with highs of 14°C and lows of 3°C. Significant rainfall (108 mm).
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May
May is cool with highs of 20°C and lows of 8°C. Significant rainfall (102 mm).
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June
June is mild with highs of 25°C and lows of 14°C. Regular rainfall (93 mm).
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July
July is the warmest month with highs of 28°C and lows of 17°C. Regular rainfall (91 mm).
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August
August is mild with highs of 27°C and lows of 17°C. Regular rainfall (99 mm).
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September
September is cool with highs of 23°C and lows of 12°C. Regular rainfall (93 mm).
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October
October is cool with highs of 17°C and lows of 6°C. Regular rainfall (97 mm).
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November
November is cold with highs of 12°C and lows of 2°C. The wettest month with heavy rain (112 mm).
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December
December is cold with highs of 6°C and lows of -3°C. Significant rainfall (108 mm).
