Lenzburg, IL has a mild climate due to its location in Southwestern Illinois. The summers are warm and humid but not extreme, while the winters are cold but not as harsh as other areas of Illinois. Average high temperatures range from the mid 40s in January to the mid-80s in July and August. Snowfall is typically moderate throughout the winter months with an average of around 20 inches per year. Spring and summer both bring pleasant weather that offers plenty of sunshine and comfortable temperatures.
Lenzburg, Illinois gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lenzburg averages 13 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 Lenzburg. The US average is 205 sunny days.
Lenzburg gets some kind of precipitation, on average, 96 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 22
Rain: averages 43 inches of rain a year
Snow: averages 13 inches of snow a year