The climate in Ontario, WI is characterized by warm summers and cold winters. In the summer months, temperatures are usually mild and range from the mid-70s to low 80s Fahrenheit during the day, while overnight lows often stay around 60 degrees. In the winter months, temperatures can drop to below freezing and dip into single digits with plenty of snowfall throughout the season. The area also experiences some rain showers throughout the year. On average, Ontario receives a total of about 34 inches of precipitation per year.
Ontario, Wisconsin gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ontario averages 42 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 189 sunny days per year in Ontario. The US average is 205 sunny days.
Ontario gets some kind of precipitation, on average, 108 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 7
Rain: averages 35 inches of rain a year
Snow: averages 42 inches of snow a year