The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Groton, CT vs East Lyme, CT

2025 Compare Climate & Weather:
Groton, CT vs East Lyme, CT

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Highlights

On average, there are 196 sunny days per year in East Lyme. Groton averages 204 sunny days per year. The US average is 205 sunny days.

East Lyme, Connecticut gets 50.1 inches of rain, on average, per year. Groton, Connecticut gets 47.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

East Lyme averages 26.1 inches of snow per year. Groton averages 26.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

East Lyme, Connecticut
Summer High: the July high is around 80.7 degrees
Winter Low: the January low is 21
Rain: averages 50.1 inches of rain a year
Snow: averages 26.1 inches of snow a year

Groton, Connecticut
Summer High: the July high is around 79.6 degrees
Winter Low: the January low is 21.7
Rain: averages 47.9 inches of rain a year
Snow: averages 26.6 inches of snow a year

BestPlaces Comfort Index
East Lyme

The annual BestPlaces Comfort Index for East Lyme is 7.1 (10=best), which means it is more comfortable than most places in Connecticut.

7.1 / 10
June, September and August are the most pleasant months in East Lyme, while January and February are the least comfortable months.

Groton

The annual BestPlaces Comfort Index for Groton is 7.1 (10=best), which means it is more comfortable than most places in Connecticut.

7.1 / 10
June, September and August are the most pleasant months in Groton, while January and February are the least comfortable months.

Average Monthly High / Low (°F)
MonthGroton, CTEast Lyme, CT
January38° / 22°38° / 21°
February40° / 24°41° / 24°
March47° / 30°48° / 30°
April56° / 39°57° / 39°
May66° / 48°67° / 48°
June74° / 58°76° / 58°
July80° / 64°81° / 64°
August79° / 63°80° / 63°
September73° / 56°74° / 55°
October62° / 44°63° / 44°
November53° / 37°53° / 36°
December43° / 27°43° / 27°
Hot, Freezing, Rainy, Snowy Days: Groton / East Lyme
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 026 / 2710 / 104 / 3
February0 / 023 / 249 / 93 / 3
March0 / 019 / 1911 / 112 / 2
April0 / 04 / 511 / 110 / 0
May0 / 00 / 011 / 110 / 0
June0 / 10 / 010 / 100 / 0
July1 / 20 / 09 / 90 / 0
August0 / 10 / 09 / 90 / 0
September0 / 00 / 09 / 90 / 0
October0 / 02 / 29 / 90 / 0
November0 / 010 / 1110 / 100 / 0
December0 / 022 / 2311 / 112 / 2
July is the hottest month for Groton with an average high temperature of 79.6°, which ranks it as one of the coolest places in Connecticut. In Groton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Groton are August, July and June.

July is the hottest month for East Lyme with an average high temperature of 80.7°, which ranks it as cooler than most places in Connecticut. In East Lyme, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for East Lyme are August, June and July.
January has the coldest nighttime temperatures for Groton with an average of 21.7°. This is one of the warmest places in Connecticut.

January has the coldest nighttime temperatures for East Lyme with an average of 21.0°. This is warmer than most places in Connecticut.

In Groton, there are 1.7 days annually when the high temperature is over 90°, which is one of the coolest places in Connecticut.

In East Lyme, there are 4.1 days annually when the high temperature is over 90°, which is cooler than most places in Connecticut.

In Groton, there are 106.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Connecticut.

In East Lyme, there are 110.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Connecticut.

In Groton, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Connecticut.

In East Lyme, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Connecticut.

March is the wettest month in Groton with 4.7 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 47.9 inches in Groton means that it is drier than most places in Connecticut.


March is the wettest month in East Lyme with 4.9 inches of rain, and the driest month is February with 3.5 inches. The wettest season is Summer with 26% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 50.1 inches in East Lyme means that it is about average compared to other places in Connecticut.

May is the rainiest month in Groton with 11.4 days of rain, and August is the driest month with only 8.8 rainy days. There are 118.6 rainy days annually in Groton, which is about average compared to other places in Connecticut. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 23% chance of a rainy day.

May is the rainiest month in East Lyme with 11.3 days of rain, and August is the driest month with only 8.6 rainy days. There are 117.9 rainy days annually in East Lyme, which is less rainy than most places in Connecticut. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 26.6 inches in Groton means that it is less snowy than most places in Connecticut.

An annual snowfall of 26.1 inches in East Lyme means that it is one of the least snowy places in Connecticut.
February is the snowiest month in Groton with 7.8 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in East Lyme with 7.7 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Groton    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Groton

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Reviews for East Lyme    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of East Lyme

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