Climate in Decatur Metro Area, Indiana

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.

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Weather Highlights

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

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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.

June, September and August are the most pleasant months in the Decatur metro area, while January and December are the least comfortable months.

July is the hottest month for the Decatur metro area with an average high temperature of 84.0°, which ranks it as about average compared to other places in Indiana. In the Decatur metro area, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Decatur metro area are September, June and August.

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In the Decatur metro area, there are 11.3 days annually when the high temperature is over 90°, which is cooler than most places in Indiana.

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January has the coldest nighttime temperatures for the Decatur metro area with an average of 17.4°. This is colder than most places in Indiana.

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In the Decatur metro area, there are 125.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Indiana.

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In the Decatur metro area, there are 5.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Indiana.

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The humidity is usually comfortable in the Decatur metro area but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

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July is the wettest month in the Decatur metro area with 4.4 inches of rain, and the driest month is February with 2.1 inches. The wettest season is Autumn with 32% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 38.3 inches in the Decatur metro area means that it is one of the driest places in Indiana.

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May is the rainiest month in the Decatur metro area with 12.3 days of rain, and September is the driest month with only 8.2 rainy days. There are 123.5 rainy days annually in the Decatur metro area, which is rainier than most places in Indiana. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

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An annual snowfall of 25.8 inches in the Decatur metro area means that it is snowier than most places in Indiana. January is the snowiest month in the Decatur metro area with 7.6 inches of snow, and 6 months of the year have significant snowfall.

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