Last frost date in Lincoln, Illinois

April 20

Average last frost in spring. In an early year (1 in 10) it's over by April 5; in a late year (1 in 10) it comes after May 4.

October 16

Average first frost in fall. 1 year in 10 it comes by October 3.

Source: NOAA U.S. Climate Normals 1991–2020, station Lincoln (USC00115079), 1.7 miles from Lincoln, elevation 583 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Lincoln, Illinois
Early yearAverageLate year
Last frost in springApr 5Apr 20May 4
First frost in fallOct 3Oct 16Oct 29

Frost-free days in an average year: 179

Light frost, frost and hard freeze in Lincoln
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearApr 29Oct 6
Frost (32°F)Every yearApr 20Oct 16
Hard freeze (28°F)Every yearApr 7Oct 26

Nights at 32°F or colder in an average year: 126

What to plant now in Lincoln

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

Nearby in Illinois

All 225 places in Illinois

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