Lewis, IA has a humid continental climate, with warm summers and cold winters. Average monthly temperatures range from 18°F in January to 76°F in July. The town receives an average annual precipitation of about 31 inches, primarily during the spring and summer months. Snowfall is common during the winter months, usually ranging from five to seven inches per month. Despite these cold weather conditions, Lewis experiences many sunny days throughout the year.
Lewis (zip 51544), Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lewis (zip 51544) averages 27 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 215 sunny days per year in Lewis (zip 51544). The US average is 205 sunny days.
Lewis (zip 51544) gets some kind of precipitation, on average, 93 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 11
Rain: averages 36 inches of rain a year
Snow: averages 27 inches of snow a year