Galena, IL has a humid continental climate, characterized by hot summers and cold winters. During the summer months, average temperatures reach into the mid-80s Fahrenheit and can even exceed 90 degrees on some days. Winters are much colder, with temperatures frequently dropping below freezing and occasional snowfall throughout the season. Precipitation is evenly distributed throughout the year, mostly in the form of rain but also with some snow during winter months. Overall, Galena has a moderate climate that is comfortable for most people.
Galena, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Galena averages 34 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 190 sunny days per year in Galena. The US average is 205 sunny days.
Galena gets some kind of precipitation, on average, 111 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 10
Rain: averages 37 inches of rain a year
Snow: averages 34 inches of snow a year