Altona, IL has a humid continental climate, characterized by warm summer months and cold winter months. During the summer, temperatures can range from the mid-70s to the mid-90s Fahrenheit during the day with overnight lows in the 50s and 60s. During the winter months temperatures are usually between 15 and 35 degrees Fahrenheit. The area receives an average of 34 inches of precipitation each year - mostly rain but also snow - with most of it falling from April to October. In addition to rainfall, Altona is subject to severe weather patterns such as harsh thunderstorms, occasional tornadoes, and even hail.
Altona, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Altona averages 24 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 Altona. The US average is 205 sunny days.
Altona gets some kind of precipitation, on average, 106 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 84 degrees
Winter Low: the January low is 13
Rain: averages 37 inches of rain a year
Snow: averages 24 inches of snow a year