Lewis, IA has a typical Midwest climate with cold winters and warm summers. The average temperatures in summer range from highs of around 80 degrees Fahrenheit to lows of around 60 degrees Fahrenheit. Winters can be very cold with lows dipping below freezing and highs rarely climbing above 40 degrees Fahrenheit. The area experiences an average amount of rain and snowfall throughout the year, but can experience heavy rains in the spring and fall months.
Lewis, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lewis averages 27 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 211 sunny days per year in Lewis. The US average is 205 sunny days.
Lewis 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