2024 Compare Climate & Weather:
Montville, CT vs Old Lyme, CT
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Highlights
On average, there are 194 sunny days per year in Old Lyme. Montville averages 205 sunny days per year. The US average is 205 sunny days.
Old Lyme, Connecticut gets 47.8 inches of rain, on average, per year. Montville, Connecticut gets 50.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.
Old Lyme averages 25.9 inches of snow per year. Montville averages 29.3 inches of snow per year. The US average is 27.8 inches of snow per year.
Weather Highlights
Old Lyme, Connecticut
Summer High: the July high is around 79.7 degrees
Winter Low: the January low is 22.6
Rain: averages 47.8 inches of rain a year
Snow: averages 25.9 inches of snow a year
Montville, Connecticut
Summer High: the July high is around 80.8 degrees
Winter Low: the January low is 19.5
Rain: averages 50.9 inches of rain a year
Snow: averages 29.3 inches of snow a year
BESTPLACES COMFORT INDEX
Old LymeThe annual BestPlaces Comfort Index for Old Lyme is 7.2 (10=best), which means it is one of the most pleasant places in Connecticut.
7.2 / 10
June, September and August are the most pleasant months in Old Lyme, while January and February are the least comfortable months.
MontvilleThe annual BestPlaces Comfort Index for Montville is 7.1 (10=best), which means it is more comfortable than most places in Connecticut.
7.1 / 10
August, July and June are the most pleasant months in Montville, while January and February are the least comfortable months.
Today's Weather - Old Lyme, CT
2 AM PST
Patchy Fog
63°F
| DAY | DESCRIPTION | HIGH / LOW | WIND |
|---|
| Overnight | Patchy Fog | 62° / 81° | W 3 mph |
| Friday Night | Mostly Clear | 58° / 77° | W 8 mph |
| Saturday Night | Partly Cloudy | 61° / 78° | SW 6 to 10 mph |
| Sunday Night | Chance Rain Showers then Mostly Clear | 58° / 76° | W 5 to 9 mph |
| Monday Night | Partly Cloudy then Slight Chance Rain Showers | 56° / 77° | NW 3 to 8 mph |
| Tuesday Night | Slight Chance Rain Showers | 59° / 76° | S 2 to 6 mph |
| Wednesday Night | Slight Chance Rain Showers | 60° / 79° | S 3 to 7 mph |
Average Monthly High / Low (°F)
| Month | Montville, CT | Old Lyme, CT |
|---|
| January | 37° / 20° | 38° / 23° |
| February | 40° / 22° | 40° / 25° |
| March | 47° / 28° | 47° / 31° |
| April | 58° / 38° | 56° / 40° |
| May | 68° / 47° | 66° / 49° |
| June | 76° / 57° | 75° / 59° |
| July | 81° / 63° | 80° / 65° |
| August | 80° / 61° | 79° / 64° |
| September | 73° / 54° | 73° / 57° |
| October | 62° / 42° | 63° / 46° |
| November | 53° / 34° | 53° / 38° |
| December | 42° / 25° | 43° / 28° |
Hot, Freezing, Rainy, Snowy Days: Montville / Old Lyme
| Month | Hot Days | Freezing Days | Rainy Days | Snowy Days |
|---|
| January | 0 / 0 | 28 / 26 | 10 / 10 | 4 / 3 |
| February | 0 / 0 | 24 / 23 | 9 / 9 | 3 / 3 |
| March | 0 / 0 | 21 / 18 | 10 / 10 | 2 / 2 |
| April | 0 / 0 | 6 / 3 | 11 / 11 | 0 / 0 |
| May | 0 / 0 | 0 / 0 | 11 / 11 | 0 / 0 |
| June | 1 / 0 | 0 / 0 | 10 / 10 | 0 / 0 |
| July | 2 / 1 | 0 / 0 | 9 / 9 | 0 / 0 |
| August | 1 / 0 | 0 / 0 | 9 / 9 | 0 / 0 |
| September | 0 / 0 | 0 / 0 | 9 / 9 | 0 / 0 |
| October | 0 / 0 | 3 / 1 | 9 / 9 | 0 / 0 |
| November | 0 / 0 | 13 / 8 | 10 / 10 | 0 / 0 |
| December | 0 / 0 | 24 / 21 | 11 / 11 | 2 / 2 |
July is the hottest month for Montville with an average high temperature of 80.8°, which ranks it as cooler than most places in Connecticut. In Montville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Montville are August, June and July.
July is the hottest month for Old Lyme with an average high temperature of 79.7°, which ranks it as cooler than most places in Connecticut. In Old Lyme, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Old Lyme are August, July and June.
January has the coldest nighttime temperatures for Montville with an average of 19.5°. This is warmer than most places in Connecticut.
January has the coldest nighttime temperatures for Old Lyme with an average of 22.6°. This is one of the warmest places in Connecticut.
In Montville, there are 4.3 days annually when the high temperature is over 90°, which is cooler than most places in Connecticut.
In Old Lyme, there are 1.8 days annually when the high temperature is over 90°, which is cooler than most places in Connecticut.
In Montville, there are 119.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Connecticut.
In Old Lyme, there are 99.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Connecticut.
In Montville, there are 1.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Connecticut.
In Old Lyme, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Connecticut.
March is the wettest month in Montville 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 50.9 inches in Montville means that it is wetter than most places in Connecticut.
March is the wettest month in Old Lyme with 4.6 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Summer with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 47.8 inches in Old Lyme means that it is drier than most places in Connecticut.
May is the rainiest month in Montville with 11.3 days of rain, and February is the driest month with only 8.9 rainy days. There are 118.5 rainy days annually in Montville, which is about average compared to other places in Connecticut. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.
May is the rainiest month in Old Lyme with 11.3 days of rain, and August is the driest month with only 8.6 rainy days. There are 117.8 rainy days annually in Old 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 29.3 inches in Montville means that it is less snowy than most places in Connecticut.
An annual snowfall of 25.9 inches in Old Lyme means that it is one of the least snowy places in Connecticut.
January is the snowiest month in Montville with 8.6 inches of snow, and 6 months of the year have significant snowfall.
February is the snowiest month in Old Lyme with 7.9 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 Montville 
2 Reviews
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
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
Start Your Review of Montville
Reviews for Old Lyme 2 Reviews
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
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
Start Your Review of Old Lyme
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