The climate in 61370 Tonica, IL is generally mild with hot summers and cold winters due to its location in the northern portion of the state. During the summer months, temperatures can reach into the mid-80s while winter temperatures typically average around the mid-30s. Precipitation is moderate throughout the year with snowfall occurring mainly during winter months. While humidity tends to be low, thunderstorms are common during spring and summer months. In general, Tonica offers a pleasant climate year-round for residents and visitors alike.
Tonica (zip 61370), Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Tonica (zip 61370) averages 22 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 192 sunny days per year in Tonica (zip 61370). The US average is 205 sunny days.
Tonica (zip 61370) gets some kind of precipitation, on average, 115 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 85 degrees
Winter Low: the January low is 14
Rain: averages 37 inches of rain a year
Snow: averages 22 inches of snow a year