Last frost date in Oak Creek, Wisconsin

April 22

Average last frost in spring. In an early year (1 in 10) it's over by April 9; in a late year (1 in 10) it comes after May 8.

October 26

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

Source: NOAA U.S. Climate Normals 1991–2020, station South Milwaukee Wwtp (USC00477964), 2.9 miles from Oak Creek, elevation 650 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

This station is also the nearest one for South Milwaukee, so its frost dates are the same as Oak Creek's.

What to plant now

Frost dates for Oak Creek, Wisconsin
Early yearAverageLate year
Last frost in springApr 9Apr 22May 8
First frost in fallOct 10Oct 26Nov 8

Frost-free days in an average year: 184

Light frost, frost and hard freeze in Oak Creek
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearMay 5Oct 16
Frost (32°F)Every yearApr 22Oct 26
Hard freeze (28°F)Every yearApr 9Nov 5

Nights at 32°F or colder in an average year: 124

What to plant now in Oak Creek

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 Wisconsin

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