Charlestown, WI Climate


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Charlestown, WI has a temperate climate, with warm summers and cold winters. Summers usually reach temperatures of around 70 degrees Fahrenheit, while winter temperatures can dip to below freezing. Winter snowfall is common in the area and can be quite heavy at times. Precipitation is spread out throughout the year, with spring and summer being the wettest months. The humidity levels are also fairly low throughout the year, making it a pleasant place to live.

Charlestown, Wisconsin gets 31 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Charlestown averages 41 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 187 sunny days per year in Charlestown. The US average is 205 sunny days.

Charlestown 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 81 degrees
Winter Low: the January low is 10
Rain: averages 31 inches of rain a year
Snow: averages 41 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Charlestown is 6.6 (10=best), which means it is more comfortable than most places in Wisconsin.

9.3 Summer - 4 Winter
August, July and June are the most pleasant months in Charlestown, while January and December are the least comfortable months.

  ClimateCharlestown, WisconsinUnited States
  31.1 in.38.1 in.
  40.8 in.27.8 in.
  117.4 days106.2 days
  187 days205 days
  81.2°85.8°
  9.5°21.7°
  6.67
  3.14.3
  842 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 Charlestown with an average high temperature of 81.2°, which ranks it as about average compared to other places in Wisconsin. In Charlestown, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Charlestown are August, June and July.
In Charlestown, there are 4.8 days annually when the high temperature is over 90°, which is about average compared to other places in Wisconsin.
January has the coldest nighttime temperatures for Charlestown with an average of 9.5°. This is warmer than most places in Wisconsin.
In Charlestown, there are 155.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Wisconsin.
In Charlestown, there are 18.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wisconsin.
Humidity in Charlestown 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.
June is the wettest month in Charlestown with 4.0 inches of rain, and the driest month is February with 1.1 inches. The wettest season is Autumn with 36% of yearly precipitation and 12% occurs in Spring, which is the driest season. The annual rainfall of 31.1 inches in Charlestown means that it is drier than most places in Wisconsin.
May is the rainiest month in Charlestown with 11.1 days of rain, and February is the driest month with only 7.5 rainy days. There are 117.4 rainy days annually in Charlestown, which is rainier than most places in Wisconsin. The rainiest season is Autumn when it rains 27% of the time and the driest is Spring with only a 21% chance of a rainy day.
An annual snowfall of 40.8 inches in Charlestown means that it is less snowy than most places in Wisconsin. January is the snowiest month in Charlestown with 10.6 inches of snow, and 6 months of the year have significant snowfall.
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