Garrison, IA enjoys a moderate climate year-round with temperatures that rarely dip below freezing in the winter and are pleasantly warm during the summer months. The area receives adequate rainfall throughout the year, ensuring a healthy amount of vegetation all around. Summers tend to be slightly humid but not overly oppressive, while winters have occasional snowfall and chilly temperatures. Overall, Garrison offers mild weather for those looking to experience the outdoors year-round.
Garrison, Iowa gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Garrison averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 191 sunny days per year in Garrison. The US average is 205 sunny days.
Garrison gets some kind of precipitation, on average, 100 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 32 inches of snow a year