Stephens County, Oklahoma · Frost dates
Stephens County frost dates.
First-frost, last-frost, and growing-season length for Stephens County, Oklahoma. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-12
- 20%
- 04-06
- 50%
- 03-25
- 80%
- 03-11
- 90%
- 03-03
First fall frost
- 10%
- 10-22
- 20%
- 10-29
- 50%
- 11-07
- 80%
- 11-18
- 90%
- 11-23
28°F — killing freeze
Last spring freeze
- 10%
- 03-31
- 20%
- 03-25
- 50%
- 03-11
- 80%
- 02-28
- 90%
- 02-24
First fall freeze
- 10%
- 10-31
- 20%
- 11-05
- 50%
- 11-16
- 80%
- 11-30
- 90%
- 12-04
Growing season length (days, 28°F threshold)
- Short year
- 214
- Median
- 250
- Long year
- 283
Source NOAA station
DUNCAN, OK US
6.1 mi · 30 yrs of record (1991–2020) · 1125 ft elev.
Data from DUNCAN, OK US, 6.1 miles away with 30-year NOAA record (1991-2020).
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