Average temperature in Indiana The cold season lasts 3.1 months, from December 1 to March 5, with an average daily high temperature below 46° F. The coldest month of the year in Indiana is January, with an average low of 22° F and a maximum of 37° F. The cold season lasts 3.0 months, from December 1 to March 1, with a temperature Average daily high below 46° F. The coldest month of the year in Indianapolis is January, with an average low of 23° F and a maximum of 36° F.
As you can guess, January is usually the coldest month and July the hottest. These are the average temperatures for each month. The estimated value in Indianapolis is calculated as the weighted average of the individual contributions for each station, with weights proportional to the inverse of the distance between Indianapolis and a given station.
