Decatur, IN Metro Area has a humid subtropical climate with hot, humid summers and mild winters. The area experiences two distinct weather seasons: summer and winter. In the summer months, temperatures can reach up to 95°F and above with high levels of humidity. The winters are generally mild with temperatures rarely dropping below 25°F. Precipitation is evenly distributed throughout the year, averaging around 37 inches a year. Snowfall is also common in winter months but it varies greatly from year to year with some years having hardly any snowfall at all while others receiving several feet of snow in a single season.
Decatur Metro Area, Indiana gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Decatur Metro Area averages 26 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 180 sunny days per year in Decatur Metro Area. The US average is 205 sunny days.
Decatur Metro Area gets some kind of precipitation, on average, 124 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.
Summer High: the July high is around 84 degrees
Winter Low: the January low is 17
Rain: averages 38 inches of rain a year
Snow: averages 26 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the Decatur metro area is 7.0 (10=best), which means it is about average compared to other places in Indiana.
9 / 4.7
Summer / Winter
June, September and August are the most pleasant months in the Decatur metro area, while January and December are the least comfortable months.