Last frost date in Troy, Michigan

April 26

Average last frost in spring. In an early year (1 in 10) it's over by April 15; in a late year (1 in 10) it comes after May 12.

October 22

Average first frost in fall. 1 year in 10 it comes by October 7.

Source: NOAA U.S. Climate Normals 1991–2020, station Pontiac Wwtp (USC00206658), 6.8 miles from Troy, elevation 890 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

This station is also the nearest one for Auburn Hills, Birmingham, Clawson, Pontiac, Rochester and Rochester Hills, so their frost dates are the same as Troy's.

What to plant now

Frost dates for Troy, Michigan
Early yearAverageLate year
Last frost in springApr 15Apr 26May 12
First frost in fallOct 7Oct 22Nov 4

Frost-free days in an average year: 177

Light frost, frost and hard freeze in Troy
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearMay 5Oct 10
Frost (32°F)Every yearApr 26Oct 22
Hard freeze (28°F)Every yearApr 16Nov 4

Nights at 32°F or colder in an average year: 135

What to plant now in Troy

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 Michigan

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