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Climate in Indiana

Indiana has a temperate climate with hot summers and cold winters. The average temperature in summer can range from the mid-70s to the mid-80s, while winter temperatures can reach into the teens and low 20s. Rainfall is fairly evenly distributed throughout the year, although there are more days with precipitation in spring and early summer than during fall or late winter. Indiana also experiences some snow during the cold months, especially in areas further north than others. Overall, Indiana's climate is relatively mild and generally comfortable for most of the year.

Indiana, Indiana gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Indiana averages 22 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 186 sunny days per year in Indiana. The US average is 205 sunny days.

Indiana gets some kind of precipitation, on average, 118 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 19
Rain: averages 43 inches of rain a year
Snow: averages 22 inches of snow a year


Indiana's annual BestPlaces Comfort Index of 7.1 (10=best) indicates it is about average compared to other states in the United States.

8.6 / 5

Summer   /   Winter
September, June and May are the most pleasant months in the state of Indiana, while January and December are the least comfortable months.

Climate Averages
  Indiana, IndianaUnited States
  42.5 in.38.1 in.
  22.1 in.27.8 in.
  118.1 days106.2 days
  186 days205 days
  743 ft.2443 ft.


Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Indiana with an average high temperature of 84.7°, which ranks it as about average compared to other states. In Indiana, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Indiana are September, June and May.

Indiana has 15.5 days annually when the high temperature is over 90°, which is cooler than most states in the U.S.

January has the coldest nighttime temperatures for Indiana with an average of 18.9°. This is about average compared to other of the U.S. states.

Indiana has 117.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other states in the U.S.

Indiana averages 5.2 days annually when the nighttime low temperature falls below freezing, which is colder than most states in the U.S.

The humidity is usually comfortable in the state of Indiana 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.

May is the wettest month in Indiana with 4.9 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Autumn with 29% of yearly precipitation and 19% occurs in Spring, which is the driest season. Indiana's average annual rainfall of 42.5 inches indicates that it is about average compared to other states in the United States.

May is the rainiest month in Indiana with 11.9 days of rain, and September is the driest month with only 7.8 rainy days. Indiana's annual average of 118.1 days with measurable rain is rainier than most states in the United States. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

With an average annual snowfall of 22.1 inches, Indiana is less snowy than most states in the United States. January is the snowiest month in Indiana with 7.1 inches of snow, and 5 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Indiana    32 Reviews
    Avoid this black hole. - 10/27/2021
    Lived here my whole life and have tried like hell to leave. It's difficult though because it has to be the cheapest place in America to live, but that also means the pay... Read More

    Start Your Review of Indiana

    Indiana Rocks! - 2/26/2019
    I grew up in Indiana and when I became an adult, I left. I sometimes travel through and whenever I do it just makes me sad. There's no pride of ownership in Indiana. ... Read More
    Gomer |  | Reply | 3 Replies

    COL - 1/13/2016
    great cost of... Read More

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