The climate in 62941 Grand Chain, IL is typically mild with warm summers and cool winters. The average high temperature in the summer months is around 84°F (29°C), while the lows can drop to around 68°F (20°C). In the winter months, temperatures can range between 29-42°F (-1 to 6°C) during an average day. Precipitation is spread evenly throughout the year, with occasional snowfall but generally not significant accumulations of snow or ice in most areas. This area of Illinois experiences some extreme temperatures during the hottest and coldest parts of the year, so it is important to be prepared for sudden changes in weather.
Grand Chain (zip 62941), Illinois gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grand Chain (zip 62941) averages 7 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 205 sunny days per year in Grand Chain (zip 62941). The US average is 205 sunny days.
Grand Chain (zip 62941) 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 89 degrees
Winter Low: the January low is 25
Rain: averages 49 inches of rain a year
Snow: averages 7 inches of snow a year