South Lyme, CT

Unincorporated community in Lower Connecticut River Valley Planning Region, Connecticut

South Lyme is a small unincorporated community in Lower Connecticut River Valley Planning Region, Connecticut. It is 2.5 miles W of Old Lyme, the nearest town. Its ZIP code is 06376.

South Lyme at a glance

State
Connecticut
County
Lower Connecticut River Valley Planning Region
ZIP code
06376
Nearest town
Old Lyme (2.5 mi)
Time zone
America/New York
Coordinates
41.3053, -72.2589

Weather in South Lyme now

Loading the National Weather Service forecast…

South Lyme weather by the hour

South Lyme weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of South Lyme.

This week in South Lyme

Sunrise, sunset and moon in South Lyme

What is the weather usually like in South Lyme?

Dfa
Hot-summer humid continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

18°35°52°68°85°38°23°Jan40°25°Feb47°31°Mar56°39°Apr65°49°May74°58°Jun80°65°Jul79°64°Aug74°57°Sep63°46°Oct53°37°Nov44°29°Dec

Average precipitation (inches)

2.7"Jan2.2"Feb3.8"Mar3.6"Apr3.3"May3.3"Jun3.2"Jul3.3"Aug3.8"Sep3.7"Oct3.2"Nov3.1"Dec

Best time to visit South Lyme: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station GROTON NEW LONDON AP, CT US (USW00014707), adjusted for the elevation of South Lyme.

South Lyme weather month by month

January
38° 23°F
2.7 in of rain · 5 wet days
February
40° 25°F
2.2 in of rain · 5 wet days
March
47° 31°F
3.8 in of rain · 5 wet days
April
56° 39°F
3.6 in of rain · 6 wet days
May
65° 49°F
3.3 in of rain · 7 wet days
June
74° 58°F
3.3 in of rain · 6 wet days
July
80° 65°F
3.2 in of rain · 5 wet days
August
79° 64°F
3.3 in of rain · 5 wet days
September
74° 57°F
3.8 in of rain · 5 wet days
October
63° 46°F
3.7 in of rain · 5 wet days
November
53° 37°F
3.2 in of rain · 5 wet days
December
44° 29°F
3.1 in of rain · 6 wet days

Sunrise and sunset in South Lyme through the year

MonthSunriseSunsetDaylight
January7:10 AM4:46 PM9 h 35 min
February6:41 AM5:24 PM10 h 42 min
March6:58 AM6:56 PM11 h 58 min
April6:07 AM7:30 PM13 h 22 min
May5:28 AM8:02 PM14 h 33 min
June5:13 AM8:25 PM15 h 11 min
July5:27 AM8:22 PM14 h 54 min
August5:57 AM7:49 PM13 h 52 min
September6:28 AM6:59 PM12 h 31 min
October6:59 AM6:09 PM11 h 10 min
November6:36 AM4:31 PM9 h 55 min
December7:06 AM4:22 PM9 h 15 min

Times for the 15th of each month, local time (America/New York).

What is the weather like in South Lyme?

South Lyme has a hot-summer humid continental climate. The warmest month is July, with an average high of 80°F (27°C), and the coldest is January, with average lows of 23°F (-5°C).

It gets about 39.3 inches (999 mm) of precipitation a year. The wettest month is September and the driest is February.

The best time to visit South Lyme is June to September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

Webcams near South Lyme

The closest live webcam is East Lyme, 1.2 miles N of South Lyme.

East LymeEast Lyme · 1.2 mi NOn Windy
Old LymeOld Lyme · 3.7 mi WOn Windy
Old LymeOld Lyme · 4.5 mi WOn Windy
East LymeEast Lyme · 4.7 mi NEOn Windy
East LymeEast Lyme · 5.2 mi NEOn Windy
Old SaybrookOld Saybrook · 5.2 mi WOn Windy
East LymeEast Lyme · 5.8 mi NEOn Windy
Old SaybrookOld Saybrook · 6.3 mi WOn Windy
Old SaybrookOld Saybrook · 6.9 mi WOn Windy

Webcams: Windy.com. Distances in a straight line from South Lyme.

Do you know South Lyme? Tell us about it

Help other travelers: share what makes South Lyme special. We review every message before publishing it.

Map of South Lyme, CT

Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.

South Lyme Street View

Loading Street View…

Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.

Open in Google Maps ›

Towns near South Lyme

Other communities near South Lyme

Questions about South Lyme

Where is South Lyme, CT?

South Lyme is an unincorporated community in Lower Connecticut River Valley Planning Region, Connecticut, 2.5 miles W of Old Lyme.

What county is South Lyme in?

South Lyme is in Lower Connecticut River Valley Planning Region, Connecticut.

What is the ZIP code of South Lyme, CT?

The ZIP code for South Lyme is 06376.

What is the nearest town to South Lyme?

Old Lyme, 2.5 miles away.

Are there webcams near South Lyme?

Yes. The closest is East Lyme, 1.2 miles away.

What is the hottest month in South Lyme?

July, with an average high of 80°F (27°C).

What is the coldest month in South Lyme?

January, with an average low of 23°F (-5°C).

How much does it rain in South Lyme?

About 39.3 inches (999 mm) a year; the wettest month is September.

Does it snow in South Lyme?

Snow is very rare or not recorded at the nearest weather station.

When is the best time to visit South Lyme?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does South Lyme have?

Hot-summer humid continental (Köppen Dfa).

Last updated: