Oklahoma City, OK Frost Dates
The last spring frost in Oklahoma City usually comes around April 4 and the first fall frost around November 2.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | April 4 | November 2 |
| Hard freeze, 28°F | March 21 | November 11 |
Growing season: about 213 days.
Frequently asked questions
When is the last frost in Oklahoma City, OK?
The median date of the last spring frost (32°F) is April 4. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past April 4 lowers the risk for tender plants.
When is the first frost in Oklahoma City?
The median date of the first fall frost (32°F) is November 2, and a hard freeze (28°F) usually follows around November 11.
How long is the growing season in Oklahoma City?
About 213 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USW00013967. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.