Oklahoma County, Oklahoma · Frost dates

Oklahoma County frost dates.

First-frost, last-frost, and growing-season length for Oklahoma County, Oklahoma. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 7a

32°F — light freeze

Last spring frost

10%
04-18
20%
04-13
50%
04-02
80%
03-20
90%
03-12

First fall frost

10%
10-20
20%
10-26
50%
11-05
80%
11-14
90%
11-20

28°F — killing freeze

Last spring freeze

10%
04-06
20%
04-01
50%
03-17
80%
03-05
90%
02-28

First fall freeze

10%
10-30
20%
11-03
50%
11-13
80%
11-26
90%
12-01

Growing season length (days, 28°F threshold)

Short year
207
Median
241
Long year
276

Source NOAA station

SPENCER 2ENE MESONET, OK US

3.9 mi · 30 yrs of record (19912020) · 1223 ft elev.

Data from SPENCER 2ENE MESONET, OK US, 3.9 miles away with 30-year NOAA record (1991-2020).

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