Rockport, IL 62370 has a humid continental climate with hot summers and cold winters. The average high temperature in summer is 89°F (32°C), and the average low is 63°F (17°C). In winter, the average high temperature is 37°F (3°C), and the average low is 19°F (-7°C). Precipitation is evenly spread throughout the year, with an average of 40 inches (1,016 mm) annually. Temperatures can range significantly from day to night and season to season.
Rockport (zip 62370), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rockport (zip 62370) averages 11 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 Rockport (zip 62370). The US average is 205 sunny days.
Rockport (zip 62370) gets some kind of precipitation, on average, 102 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 18
Rain: averages 39 inches of rain a year
Snow: averages 11 inches of snow a year