52340 Tiffin, IA has a humid continental climate with hot summers and cold winters. The average temperature in the summer is around 75掳F, while the average winter temperature stays at around 25掳F. Rainfall can vary throughout the year, but generally it averages between 26-28 inches per year. During the summer months, thunderstorms and tornadoes are not uncommon due to its close proximity to Iowa's Tornado Alley. Winters bring more snow than rain with an average accumulation of 21-24 inches of snow annually.
Tiffin (zip 52340), Iowa gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Tiffin (zip 52340) averages 27 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 Tiffin (zip 52340). The US average is 205 sunny days.
Tiffin (zip 52340) gets some kind of precipitation, on average, 97 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 13
Rain: averages 37 inches of rain a year
Snow: averages 27 inches of snow a year