Merrill, IA has a humid continental climate, which is characterized by cool to cold winters and hot, humid summers. The average daily high temperature in the summer months ranges from 79-86°F (26-30°C), while the average daily low temperatures range from 56-64°F (13-18°C). Temperatures drop significantly in the winter months with averages ranging from 21-29°F (-6 to -1°C) for daily highs and 1-10°F (-17 to -12°C) for lows. Precipitation levels remain generally consistent throughout the year, with an average of about 35 inches per year.
Merrill (zip 51038), Iowa gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Merrill (zip 51038) averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 208 sunny days per year in Merrill (zip 51038). The US average is 205 sunny days.
Merrill (zip 51038) gets some kind of precipitation, on average, 82 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 85 degrees
Winter Low: the January low is 8
Rain: averages 30 inches of rain a year
Snow: averages 32 inches of snow a year