Bield:Farm
Frost dates · Indiana

Indiana frost dates,
county by county.

Last spring frost and first fall frost probability data for all 92 counties in Indiana, computed from the NOAA 1991–2020 Climate Normals. Every county page surfaces the full probability table at three temperature thresholds plus crop-specific planting guidance.

Variation across Indiana

35 days separate the earliest and latest counties.

The median last spring frost in Vanderburgh County is March 18 35 days earlier than DeKalb County at April 22. Statewide averages aren't useful planting tools; pick your county below for the data that actually applies to your fields.

By frost timing

Counties sorted by last spring frost.

Latest at top, earliest at bottom. In most states this matches the north-to-south gradient.