Monona, WI has a humid continental climate that is characterized by cold winters with frequent snowfall and hot, humid summers. The average high temperature in the summer months of June, July, and August range from the mid-70s to the mid-80s (Fahrenheit) while winter temperatures can drop below 0°F (-18°C). Snowfall usually occurs between November and March with an average total of 41 inches annually.
Monona, Wisconsin gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Monona averages 42 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 183 sunny days per year in Monona. The US average is 205 sunny days.
Monona 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 82 degrees
Winter Low: the January low is 10
Rain: averages 36 inches of rain a year
Snow: averages 42 inches of snow a year