Grissom Air Force Base, located in North Central Indiana, experiences a humid continental climate with warm summers and cold winters. The average summer temperature is around 75°F with occasional days experiencing temperatures in the mid-80s. Winters in Grissom AFB, IN are usually chilly with temperatures rarely dropping below 25°F. On average, the area receives about 40 inches of rainfall a year and sees an average of 15 to 20 inches of snow each winter. The humidity levels remain relatively stable throughout the year but can get quite high during the late summer months.
Grissom AFB, Indiana gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grissom AFB averages 27 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 Grissom AFB. The US average is 205 sunny days.
Grissom AFB gets some kind of precipitation, on average, 121 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 84 degrees
Winter Low: the January low is 16
Rain: averages 42 inches of rain a year
Snow: averages 27 inches of snow a year