Cromwell, CT Climate


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Cromwell, CT has a humid continental climate with warm summers and cold winters. The average summer temperature is around 75 degrees Fahrenheit while the winter temperature averages around 35 degrees. Rainfall in Cromwell is abundant; it generally averages up to 45 inches per year. Snowfall in Cromwell can be significant, usually between 25 and 30 inches per year. During the spring months, temperatures can range from comfortable to hot, and during the fall, temperatures usually remain mild with occasional rain showers. Overall, Cromwell offers a pleasant seasonal climate that encourages outdoor activities all year round.

Cromwell, Connecticut gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Cromwell averages 35 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 190 sunny days per year in Cromwell. The US average is 205 sunny days.

Cromwell gets some kind of precipitation, on average, 117 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 84 degrees
Winter Low: the January low is 19
Rain: averages 48 inches of rain a year
Snow: averages 35 inches of snow a year


Bestplaces Comfort Index

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

9 Summer - 5.1 Winter
June, September and August are the most pleasant months in Cromwell, while January and February are the least comfortable months.

  ClimateCromwell, ConnecticutUnited States
  47.5 in.38.1 in.
  34.7 in.27.8 in.
  117.3 days106.2 days
  190 days205 days
  84.1°85.8°
  18.8°21.7°
  7.17
  3.44.3
  30 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 Cromwell with an average high temperature of 84.1°, which ranks it as one of the hottest places in Connecticut. In Cromwell, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cromwell are June, September and August.
In Cromwell, there are 10.6 days annually when the high temperature is over 90°, which is hotter than most places in Connecticut.
January has the coldest nighttime temperatures for Cromwell with an average of 18.8°. This is about average compared to other places in Connecticut.
In Cromwell, there are 119.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Connecticut.
In Cromwell, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Connecticut.
The humidity is usually comfortable in Cromwell but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.
October is the wettest month in Cromwell with 4.8 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Winter with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 47.5 inches in Cromwell means that it is one of the driest places in Connecticut.
May is the rainiest month in Cromwell with 11.3 days of rain, and August is the driest month with only 8.9 rainy days. There are 117.3 rainy days annually in Cromwell, which is less rainy than most 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.
An annual snowfall of 34.7 inches in Cromwell means that it is about average compared to other places in Connecticut. January is the snowiest month in Cromwell with 10.5 inches of snow, and 6 months of the year have significant snowfall.
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