Last frost date in Frankfort, Indiana

April 21

Average last frost in spring. In an early year (1 in 10) it's over by April 7; in a late year (1 in 10) it comes after May 7.

October 21

Average first frost in fall. 1 year in 10 it comes by October 6.

Source: NOAA U.S. Climate Normals 1991–2020, station Frankfort Disposal (USC00123082), 1.4 miles from Frankfort, elevation 824 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Frankfort, Indiana
Early yearAverageLate year
Last frost in springApr 7Apr 21May 7
First frost in fallOct 6Oct 21Nov 1

Frost-free days in an average year: 181

Light frost, frost and hard freeze in Frankfort
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearMay 2Oct 10
Frost (32°F)Every yearApr 21Oct 21
Hard freeze (28°F)Every yearApr 7Nov 1

Nights at 32°F or colder in an average year: 119

What to plant now in Frankfort

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.

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