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 (1991–2020) · 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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