South Roxana, IL has a humid continental climate, with cold winters and hot, humid summers. Generally speaking, the summers are warm and wet while the winters tend to be cold and dry. Average high temperatures in July reach around 89°F (32°C), while the average low temperatures in January drop down to around 23°F (-5°C). Precipitation is evenly distributed throughout the year, although there is a slight decrease during the winter months. The area receives an average of 44 inches (111 cm) of rain per year.
South Roxana (zip 62087), Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
South Roxana (zip 62087) averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in South Roxana (zip 62087). The US average is 205 sunny days.
South Roxana (zip 62087) gets some kind of precipitation, on average, 103 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 89 degrees
Winter Low: the January low is 23
Rain: averages 42 inches of rain a year
Snow: averages 15 inches of snow a year