Jefferson County, Wisconsin 

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Climate in Jefferson County, Wisconsin

Jefferson County, Wisconsin gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Jefferson County averages 40 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 186 sunny days per year in Jefferson County. The US average is 205 sunny days.

Jefferson County gets some kind of precipitation, on average, 119 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 10
Rain: averages 36 inches of rain a year
Snow: averages 40 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Jefferson County is 6.7 (10=best), which means it is one of the most pleasant places in Wisconsin.

6.7 / 10
June, August and July are the most pleasant months in Jefferson County, while January and December are the least comfortable months.

Climate Averages
  Jefferson, WisconsinUnited States
  35.9 in.38.1 in.
  40.0 in.27.8 in.
  119.4 days106.2 days
  186 days205 days
  82.5°85.8°
  10.3°21.7°
  6.77
  3.24.3
  848 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 Jefferson County with an average high temperature of 82.5°, which ranks it as warmer than most places in Wisconsin. In Jefferson County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Jefferson County are June, August and July.


January has the coldest nighttime temperatures for Jefferson County with an average of 10.3°. This is warmer than most places in Wisconsin.


In Jefferson County, there are 6.7 days annually when the high temperature is over 90°, which is hotter than most places in Wisconsin.


In Jefferson County, there are 147.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wisconsin.


In Jefferson County, there are 16.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wisconsin.


June is the wettest month in Jefferson County with 4.6 inches of rain, and the driest month is January with 1.3 inches. The wettest season is Autumn with 37% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 35.9 inches in Jefferson County means that it is wetter than most places in Wisconsin.


May is the rainiest month in Jefferson County with 12.2 days of rain, and February is the driest month with only 7.7 rainy days. There are 119.4 rainy days annually in Jefferson County, which is rainier than most places in Wisconsin. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 22% chance of a rainy day.


An annual snowfall of 40.0 inches in Jefferson County means that it is less snowy than most places in Wisconsin. December is the snowiest month in Jefferson County with 11.5 inches of snow, and 6 months of the year have significant snowfall.





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    MAPS OF JEFFERSON COUNTY, WISCONSIN
    ZIP CODES IN JEFFERSON COUNTY, WISCONSIN
    53094, 53538, 53549, 53551, 53594, 53038, 53036, 53156, 53178, 53137, ... 10 more

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