Last frost date in Stillwater, Oklahoma

April 5

Average last frost in spring. In an early year (1 in 10) it's over by March 21; in a late year (1 in 10) it comes after April 21.

October 30

Average first frost in fall. 1 year in 10 it comes by October 16.

Source: NOAA U.S. Climate Normals 1991–2020, station Stillwater 2 W (USW00053926), 1.3 miles from Stillwater, elevation 890 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Stillwater, Oklahoma
Early yearAverageLate year
Last frost in springMar 21Apr 5Apr 21
First frost in fallOct 16Oct 30Nov 15

Frost-free days in an average year: 206

Light frost, frost and hard freeze in Stillwater
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearApr 17Oct 22
Frost (32°F)Every yearApr 5Oct 30
Hard freeze (28°F)Every yearMar 27Nov 9

Nights at 32°F or colder in an average year: 88

What to plant now in Stillwater

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 Oklahoma

All 45 places in Oklahoma

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