Middlesex County, CT Climate


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United States / Connecticut / / Middlesex County / Cities / Zip Codes
Middlesex County in Connecticut has a humid continental climate, which is characterized by warm and humid summers and cold winters. The average high temperature in the summer months is around 80 degrees Fahrenheit (26.7 degrees Celsius), while the coldest month of January sees an average low temperature of 19 degrees Fahrenheit (-7.2 degrees Celsius). Rainfall is distributed throughout the year, with precipitation peaking in July and August. Snowfall typically occurs from November to April, with annual snow totals generally ranging between 20-30 inches.

Middlesex County, Connecticut gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Middlesex County averages 32 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 193 sunny days per year in Middlesex County. The US average is 205 sunny days.

Middlesex County gets some kind of precipitation, on average, 114 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 83 degrees
Winter Low: the January low is 20
Rain: averages 50 inches of rain a year
Snow: averages 32 inches of snow a year


Bestplaces Comfort Index

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

9.1 Summer - 5.2 Winter
August, June and September are the most pleasant months in Middlesex County, while January and February are the least comfortable months.

  ClimateMiddlesex, ConnecticutUnited States
  49.8 in.38.1 in.
  31.9 in.27.8 in.
  114.0 days106.2 days
  193 days205 days
  82.9°85.8°
  19.7°21.7°
  7.17
  3.44.3
  278 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 Middlesex County with an average high temperature of 82.9°, which ranks it as about average compared to other places in Connecticut. In Middlesex County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Middlesex County are June, August and September.
In Middlesex County, there are 8.0 days annually when the high temperature is over 90°, which is about average compared to other places in Connecticut.
January has the coldest nighttime temperatures for Middlesex County with an average of 19.7°. This is warmer than most places in Connecticut.
In Middlesex County, there are 115.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Connecticut.
In Middlesex County, there are 1.9 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 Middlesex County 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 Middlesex County with 4.8 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Winter with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 49.8 inches in Middlesex County means that it is about average compared to other places in Connecticut.
May is the rainiest month in Middlesex County with 10.9 days of rain, and August is the driest month with only 8.4 rainy days. There are 114.0 rainy days annually in Middlesex County, 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 31.9 inches in Middlesex County means that it is less snowy than most places in Connecticut. January is the snowiest month in Middlesex County with 9.5 inches of snow, and 6 months of the year have significant snowfall.
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