Zip 53545 (Janesville, WI) Weather


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The most pleasant months of the year for the 53545 zip code are June, August and September. In the 53545 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 53545 zip code with an average high temperature of 82.9°, which ranks it as warmer than most places in Wisconsin. December is the snowiest month in the 53545 zip code with 10.3 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - Janesville, WI

3 PM PST

Isolated Rain Showers

65°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
This AfternoonIsolated Rain Showers67° / 34°W 20 mph
WednesdaySunny53° / 32°NE 5 to 10 mph
ThursdayWidespread Frost then Sunny61° / 41°SE 5 to 10 mph
FridayRain Showers63° / 55°SE 15 to 25 mph
SaturdayShowers And Thunderstorms Likely75° / 59°S 25 mph
SundayShowers And Thunderstorms69° / 52°S 15 to 20 mph
MondayChance Showers And Thunderstorms63° / 45°SW 15 to 20 mph

Weather Highlights

Summer High: the July high is around 83 degrees
Winter Low: the January low is 11
Rain: averages 36 inches of rain a year
Snow: averages 34 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Janesville (zip 53545) 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
January28° 11°
February32° 15°
March44° 26°
April58° 37°
May69° 48°
June79° 58°
July83° 62°
August81° 60°
September74° 51°
October61° 39°
November46° 29°
December32° 16°
Hot, Freezing, Rainy, Snowy Days: Janesville
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03096
February02684
March02492
April09110
May01120
June20110
July40100
August20100
September0090
October07100
November01991
December028105

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.

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