South Windham, CT Climate


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South Windham, CT has a humid continental climate with cold winters and warm summers. Winters in the area are usually cold, snowy, and wet, while the summers tend to be hot and humid. The average high temperature in July is around 84 degrees Fahrenheit (29 Celsius) and the average low temperature in January is around 18 degrees Fahrenheit (-7 Celsius). Snowfall is common throughout winter, with an average annual snowfall of about 25 inches. Rain is most common from April to August, though it does occur throughout the year.

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

South Windham averages 33 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 South Windham. The US average is 205 sunny days.

South Windham 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 82 degrees
Winter Low: the January low is 15
Rain: averages 51 inches of rain a year
Snow: averages 33 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for South Windham is 7.0 (10=best), which means it is about average compared to other places in Connecticut.

9.1 Summer - 5 Winter
August, July and June are the most pleasant months in South Windham, while January and February are the least comfortable months.

  ClimateSouth Windham, ConnecticutUnited States
    Unlock38.1 in.
  32.8 in.  Unlock
    Unlock106.2 days
  197 days  Unlock
  81.5°85.8°
    Unlock21.7°
  7  Unlock
    Unlock4.3
  161 ft.  Unlock
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 South Windham with an average high temperature of 81.5°, which ranks it as cooler than most places in Connecticut. In South Windham, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for South Windham are June, August and July.
In South Windham, there are 5.5 days annually when the high temperature is over 90°, which is cooler than most places in Connecticut.
January has the coldest nighttime temperatures for South Windham with an average of 14.9°. This is colder than most places in Connecticut.
In South Windham, there are 146.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Connecticut.
In South Windham, there are 4.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Connecticut.
The humidity is usually comfortable in South Windham but some summer days can be muggy. July is the most humid month, though it is still relatively mild compared to many other places. The most humid months are July, August and June.
November is the wettest month in South Windham with 4.6 inches of rain, and the driest month is February with 3.4 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 South Windham means that it is wetter than most places in Connecticut.
May is the rainiest month in South Windham with 11.1 days of rain, and February is the driest month with only 8.7 rainy days. There are 117.3 rainy days annually in South Windham, 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 32.8 inches in South Windham means that it is less snowy than most places in Connecticut. January is the snowiest month in South Windham with 9.8 inches of snow, and 6 months of the year have significant snowfall.
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