Jefferson County, Oklahoma · Frost dates
Jefferson County frost dates.
First-frost, last-frost, and growing-season length for Jefferson County, Oklahoma. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-19
- 20%
- 04-11
- 50%
- 03-29
- 80%
- 03-14
- 90%
- 03-08
First fall frost
- 10%
- 10-23
- 20%
- 10-28
- 50%
- 11-05
- 80%
- 11-14
- 90%
- 11-19
28°F — killing freeze
Last spring freeze
- 10%
- 04-04
- 20%
- 03-28
- 50%
- 03-13
- 80%
- 02-28
- 90%
- 02-23
First fall freeze
- 10%
- 10-30
- 20%
- 11-04
- 50%
- 11-14
- 80%
- 11-25
- 90%
- 12-01
Growing season length (days, 28°F threshold)
- Short year
- 209
- Median
- 246
- Long year
- 281
Source NOAA station
WAURIKA 1ENE MESONET, OK US
9.6 mi · 30 yrs of record (1991–2020) · 928 ft elev.
Data from WAURIKA 1ENE MESONET, OK US, 9.6 miles away with 30-year NOAA record (1991-2020).
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