Last frost date in Pleasant Prairie, Wisconsin

April 19

Average last frost in spring. In an early year (1 in 10) it's over by April 6; in a late year (1 in 10) it comes after May 3.

October 26

Average first frost in fall. 1 year in 10 it comes by October 11.

Source: NOAA U.S. Climate Normals 1991–2020, station Kenosha (USC00474174), 4.4 miles from Pleasant Prairie, elevation 600 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Pleasant Prairie, Wisconsin
Early yearAverageLate year
Last frost in springApr 6Apr 19May 3
First frost in fallOct 11Oct 26Nov 9

Frost-free days in an average year: 189

Light frost, frost and hard freeze in Pleasant Prairie
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearMay 1Oct 17
Frost (32°F)Every yearApr 19Oct 26
Hard freeze (28°F)Every yearApr 8Nov 6

Nights at 32°F or colder in an average year: 122

What to plant now in Pleasant Prairie

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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