Waterloo, WI has a humid continental climate with warm summers and cold winters. Average summer temperatures range from the mid-70s to the upper 80s with occasional heat waves pushing temperatures into the low 90s. Winters in Waterloo are cold, with average temperatures ranging from the low 20s to the low 30s and occasional snowfall. Precipitation is evenly distributed throughout the year, but it is more likely to occur during spring and summer months.
Waterloo, Wisconsin gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Waterloo averages 42 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 Waterloo. The US average is 205 sunny days.
Waterloo gets some kind of precipitation, on average, 117 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 10
Rain: averages 36 inches of rain a year
Snow: averages 42 inches of snow a year