Janesville, WI 53546 has a humid continental climate with four distinct seasons. Summers are hot and humid, with temperatures typically reaching the mid-80s and occasionally hitting 90 degrees Fahrenheit. Winters can be cold, with temperatures regularly dipping below zero and occasional snowfall. Spring brings moderate temperatures in the 50s and 60s, while autumn generally offers cool days in the 40s. Precipitation throughout the year is plentiful, with both rainfall and snowfall averaging between 30 and 40 inches per year.
Janesville (zip 53546), Wisconsin gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Janesville (zip 53546) averages 34 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 191 sunny days per year in Janesville (zip 53546). The US average is 205 sunny days.
Janesville (zip 53546) gets some kind of precipitation, on average, 116 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 11
Rain: averages 36 inches of rain a year
Snow: averages 34 inches of snow a year