Milwaukee County, WI Climate

Milwaukee, WI County has a humid continental climate with hot summers and cold winters. Summers are warm and humid with temperatures typically reaching into the low 90s F (32°C) during the day, with much higher nighttime temperatures due to the high humidity. Winters are cold and snowy with temperatures usually ranging between 10-20°F (-12 to -7°C). Spring and fall tend to be mild, but can sometimes be unpredictable at times. Precipitation is fairly consistent throughout the year with an average of 33 inches (83 cm).

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

Milwaukee County averages 45 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 Milwaukee County. The US average is 205 sunny days.

Milwaukee 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 83 degrees
Winter Low: the January low is 14
Rain: averages 35 inches of rain a year
Snow: averages 45 inches of snow a year

Bestplaces Comfort Index

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

9.2 Summer - 4.3 Winter

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

Climate	Milwaukee, Wisconsin	United States
	35.0 in.	38.1 in.
	44.7 in.	27.8 in.
	123.4 days	106.2 days
	190 days	205 days
	82.7°	85.8°
	13.5°	21.7°
	6.7	7
	3.3	4.3
	712 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 Milwaukee County with an average high temperature of 82.7°, which ranks it as warmer than most places in Wisconsin. In Milwaukee County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Milwaukee County are June, August and September.

In Milwaukee County, there are 10.8 days annually when the high temperature is over 90°, which is one of the hottest places in Wisconsin.

January has the coldest nighttime temperatures for Milwaukee County with an average of 13.5°. This is one of the warmest places in Wisconsin.

In Milwaukee County, there are 136.8 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Wisconsin.

In Milwaukee County, there are 9.9 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Wisconsin.

The humidity is usually comfortable in Milwaukee County but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

June is the wettest month in Milwaukee County with 4.2 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 34% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 35.0 inches in Milwaukee County means that it is wetter than most places in Wisconsin.

May is the rainiest month in Milwaukee County with 12.0 days of rain, and February is the driest month with only 9.0 rainy days. There are 123.4 rainy days annually in Milwaukee County, which is one of the rainiest places in Wisconsin. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

An annual snowfall of 44.7 inches in Milwaukee County means that it is snowier than most places in Wisconsin. January is the snowiest month in Milwaukee County with 13.2 inches of snow, and 6 months of the year have significant snowfall.

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