Washington County, Wisconsin 

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Climate in Washington County, Wisconsin

Washington County, Wisconsin gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Washington County averages 43 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 190 sunny days per year in Washington County. The US average is 205 sunny days.

Washington 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 81 degrees
Winter Low: the January low is 10
Rain: averages 35 inches of rain a year
Snow: averages 43 inches of snow a year


BESTPLACES COMFORT INDEX

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

6.6 / 10
August, July and June are the most pleasant months in Washington County, while January and December are the least comfortable months.

Climate Averages
  Washington, WisconsinUnited States
  34.5 in.38.1 in.
  43.3 in.27.8 in.
  113.6 days106.2 days
  190 days205 days
  80.7°85.8°
  9.7°21.7°
  6.67
  3.44.3
  984 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 Washington County with an average high temperature of 80.7°, which ranks it as cooler than most places in Wisconsin. In Washington County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Washington County are August, June and July.


January has the coldest nighttime temperatures for Washington County with an average of 9.7°. This is warmer than most places in Wisconsin.


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


In Washington County, there are 158.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Wisconsin.


In Washington County, there are 16.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wisconsin.


July is the wettest month in Washington County with 4.1 inches of rain, and the driest month is February with 1.4 inches. The wettest season is Autumn with 35% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 34.5 inches in Washington County means that it is wetter than most places in Wisconsin.


May is the rainiest month in Washington County with 11.0 days of rain, and February is the driest month with only 7.2 rainy days. There are 113.6 rainy days annually in Washington County, which is about average compared to other places in Wisconsin. The rainiest season is Autumn when it rains 26% of the time and the driest is Spring with only a 22% chance of a rainy day.


An annual snowfall of 43.3 inches in Washington County means that it is about average compared to other places in Wisconsin. January is the snowiest month in Washington County with 13.1 inches of snow, and 6 months of the year have significant snowfall.





CLIMATE MAP
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