Martinsville, IL has a humid continental climate with hot summers and cold winters. The summer months tend to be humid and warm, with temperatures ranging from the mid-70s to mid-80s Fahrenheit. Winters are cold and snowy, with temperatures dropping into the 20s and 30s degrees Fahrenheit. Precipitation is evenly distributed throughout the year with an average of 36 inches annually. Weather patterns in Martinsville can be changeable, however, as strong storms often bring unexpected weather systems, such as heavy snow or unseasonable warmth.
Martinsville (zip 62442), Illinois gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Martinsville (zip 62442) averages 14 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Martinsville (zip 62442). The US average is 205 sunny days.
Martinsville (zip 62442) gets some kind of precipitation, on average, 107 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 87 degrees
Winter Low: the January low is 20
Rain: averages 43 inches of rain a year
Snow: averages 14 inches of snow a year