Cornwall, Connecticut 

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Climate in Cornwall, Connecticut

Cornwall, Connecticut gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Cornwall averages 62 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 198 sunny days per year in Cornwall. The US average is 205 sunny days.

Cornwall gets some kind of precipitation, on average, 132 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 79 degrees
Winter Low: the January low is 13
Rain: averages 51 inches of rain a year
Snow: averages 62 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Cornwall is 6.5 (10=best), which means it is one of the least comfortable places in Connecticut.

6.5 / 10
August, July and June are the most pleasant months in Cornwall, while January and February are the least comfortable months.

Climate Averages
  Cornwall, ConnecticutUnited States
  50.6 in.38.1 in.
  62.3 in.27.8 in.
  131.8 days106.2 days
  198 days205 days
  78.5°85.8°
  12.8°21.7°
  6.57
  3.44.3
  718 ft.2443 ft.
CLIMATE

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


July is the hottest month for Cornwall with an average high temperature of 78.5°, which ranks it as one of the coolest places in Connecticut. In Cornwall, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cornwall are July, August and June.


January has the coldest nighttime temperatures for Cornwall with an average of 12.8°. This is one of the coldest places in Connecticut.


In Cornwall, there are 1.4 days annually when the high temperature is over 90°, which is one of the coolest places in Connecticut.


In Cornwall, there are 154.6 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Connecticut.


In Cornwall, there are 9.2 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Connecticut.


October is the wettest month in Cornwall with 4.8 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 50.6 inches in Cornwall means that it is wetter than most places in Connecticut.


May is the rainiest month in Cornwall with 12.7 days of rain, and September is the driest month with only 9.7 rainy days. There are 131.8 rainy days annually in Cornwall, which is one of the rainiest places in Connecticut. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 23% chance of a rainy day.


An annual snowfall of 62.3 inches in Cornwall means that it is one of the snowiest places in Connecticut. January is the snowiest month in Cornwall with 17.5 inches of snow, and 6 months of the year have significant snowfall.





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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