About Fairmount, IN

Fairmount is a city of approximately 2,900 people in Indiana, United States. Located in the America/Indiana/Indianapolis time zone at 40.4°N latitude.

In 2025, Fairmount averaged an annual temperature of 52°F, with hottest temperatures reaching 90°F in July and lowest around -5°F in January. The city received approximately 33 inches of precipitation during the year.