Pittsburg County, Oklahoma · Frost dates
Pittsburg County frost dates.
First-frost, last-frost, and growing-season length for Pittsburg 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%
- 04-11
- 50%
- 03-31
- 80%
- 03-17
- 90%
- 03-11
First fall frost
- 10%
- 10-20
- 20%
- 10-25
- 50%
- 11-03
- 80%
- 11-13
- 90%
- 11-19
28°F — killing freeze
Last spring freeze
- 10%
- 04-05
- 20%
- 03-29
- 50%
- 03-15
- 80%
- 03-05
- 90%
- 02-26
First fall freeze
- 10%
- 10-28
- 20%
- 11-02
- 50%
- 11-13
- 80%
- 11-27
- 90%
- 12-02
Growing season length (days, 28°F threshold)
- Short year
- 206
- Median
- 243
- Long year
- 279
Source NOAA station
MCALESTER RGNL AP, OK US
3.6 mi · 30 yrs of record (1991–2020) · 770 ft elev.
Data from MCALESTER RGNL AP, OK US, 3.6 miles away with 30-year NOAA record (1991-2020).
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