Windham County, CT Climate

Windham, CT County has a humid continental climate with hot and humid summers and cold and snowy winters. The area receives an average of 46 inches of rain each year, with the most precipitation occurring in May and June. Winters are usually cold with an average temperature range between 20-30 degrees Fahrenheit in January. Snowfall averages around 50 inches annually. Summers in Windham tend to be hot and humid, temperatures often reaching into the 80s and 90s during July and August. While the county does get a fair amount of rain throughout the year, there is still plenty of sunshine to enjoy during the warmer months.

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

Windham County averages 39 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Windham County. The US average is 205 sunny days.

Windham County gets some kind of precipitation, on average, 123 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 81 degrees
Winter Low: the January low is 15
Rain: averages 51 inches of rain a year
Snow: averages 39 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Windham County is 6.9 (10=best), which means it is less comfortable than most places in Connecticut.

9.2 Summer - 4.8 Winter

August, July and June are the most pleasant months in Windham County, while January and February are the least comfortable months.

Climate	Windham, Connecticut	United States
	50.5 in.	38.1 in.
	39.3 in.	27.8 in.
	122.5 days	106.2 days
	197 days	205 days
	80.9°	85.8°
	14.9°	21.7°
	6.9	7
	3.5	4.3
	469 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 Windham County with an average high temperature of 80.9°, which ranks it as cooler than most places in Connecticut. In Windham County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Windham County are August, June and July.

In Windham County, there are 4.3 days annually when the high temperature is over 90°, which is cooler than most places in Connecticut.

January has the coldest nighttime temperatures for Windham County with an average of 14.9°. This is colder than most places in Connecticut.

In Windham County, there are 145.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Connecticut.

In Windham County, there are 4.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Connecticut.

Humidity in Windham County is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.

November is the wettest month in Windham County with 4.6 inches of rain, and the driest month is February with 3.5 inches. The wettest season is Winter with 26% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 50.5 inches in Windham County means that it is wetter than most places in Connecticut.

May is the rainiest month in Windham County with 11.9 days of rain, and September is the driest month with only 9.1 rainy days. There are 122.5 rainy days annually in Windham County, which is rainier 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 23% chance of a rainy day.

An annual snowfall of 39.3 inches in Windham County means that it is snowier than most places in Connecticut. January is the snowiest month in Windham County with 11.6 inches of snow, and 6 months of the year have significant snowfall.

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