Sussex, WI Weather


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The most pleasant months of the year for Sussex are August, June and July. In Sussex, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Sussex with an average high temperature of 80.8°, which ranks it as cooler than most places in Wisconsin. January is the snowiest month in Sussex with 12.7 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though it is still relatively mild compared to many other places.

Today's Weather - Sussex, WI

12 AM PST

Mostly Clear

51°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightMostly Clear50° / 72°W 5 mph
Wednesday NightRain Showers Likely47° / 57°NE 10 to 15 mph
Thursday NightChance Rain Showers then Partly Cloudy41° / 62°N 5 to 10 mph
Friday NightChance Showers And Thunderstorms45° / 62°W 10 to 15 mph
Saturday NightChance Showers And Thunderstorms then Partly Cloudy44° / 69°W 10 to 15 mph
Sunday NightSlight Chance Showers And Thunderstorms50° / 71°SW 10 to 15 mph
Monday NightSlight Chance Rain Showers51° / 73°S 10 to 15 mph

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 41 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Sussex area is 9.1 (10=best), which means it is more comfortable than most places in Wisconsin.

9.1 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January27° 10°
February31° 13°
March42° 23°
April55° 34°
May66° 44°
June76° 54°
July81° 59°
August79° 57°
September72° 49°
October59° 38°
November45° 27°
December31° 15°
Hot, Freezing, Rainy, Snowy Days: Sussex
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03096
February02785
March02683
April012111
May02120
June10110
July10100
August10100
September0190
October09100
November02291
December03096

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.

Reviews for Sussex
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Over 15 years ago

Good safe, place to live and raise  More

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Two years ago, when we moved to WI, we were looking at various areas to buy a house from Brookfield, Menomonee Falls to Mequon and Cedarburg. We were checking everything  More

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