Altoona, IA has a humid continental climate, which means there are warm summers and cold winters. The average temperature in the summer is around 76 degrees Fahrenheit, and the average winter temperature is around 28 degrees Fahrenheit. Precipitation levels are around 40 inches annually, with most of it falling in the spring and summer months. Snowfall amounts vary from year to year, but generally range between 12 and 20 inches annually. The area experiences all four seasons, although winter can last well into April due to cold air coming down from Canada.
Altoona, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Altoona averages 34 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Altoona. The US average is 205 sunny days.
Altoona gets some kind of precipitation, on average, 109 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 86 degrees
Winter Low: the January low is 12
Rain: averages 36 inches of rain a year
Snow: averages 34 inches of snow a year