Altamont, IL (62411) experiences a humid continental climate, with warm to hot summers and cold winters. Average high temperatures in the summer months of June to September range from the mid-70s to mid-80s Fahrenheit, while lows rarely dip into the 50s. Winters are marked by periods of snowfall and a temperature range between 20 and 40掳F. Precipitation is abundant throughout the year, with an average of nearly 45 inches annually.
Altamont (zip 62411), Illinois gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Altamont (zip 62411) averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Altamont (zip 62411). The US average is 205 sunny days.
Altamont (zip 62411) 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 42 inches of rain a year
Snow: averages 15 inches of snow a year