Cimarron County, Oklahoma · Frost dates
Cimarron County frost dates.
First-frost, last-frost, and growing-season length for Cimarron County, Oklahoma. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 05-09
- 20%
- 05-04
- 50%
- 04-26
- 80%
- 04-15
- 90%
- 04-10
First fall frost
- 10%
- 10-04
- 20%
- 10-08
- 50%
- 10-17
- 80%
- 10-25
- 90%
- 10-29
28°F — killing freeze
Last spring freeze
- 10%
- 05-01
- 20%
- 04-25
- 50%
- 04-15
- 80%
- 04-04
- 90%
- 03-30
First fall freeze
- 10%
- 10-13
- 20%
- 10-17
- 50%
- 10-25
- 80%
- 11-03
- 90%
- 11-07
Growing season length (days, 28°F threshold)
- Short year
- 165
- Median
- 193
- Long year
- 222
Source NOAA station
BOISE CITY 2 E, OK US
2.7 mi · 30 yrs of record (1991–2020) · 4133 ft elev.
Data from BOISE CITY 2 E, OK US, 2.7 miles away with 30-year NOAA record (1991-2020).
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