Cheyenne County, Colorado · Frost dates
Cheyenne County frost dates.
First-frost, last-frost, and growing-season length for Cheyenne County, Colorado. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-24
- 20%
- 05-17
- 50%
- 05-07
- 80%
- 04-29
- 90%
- 04-23
First fall frost
- 10%
- 09-25
- 20%
- 09-29
- 50%
- 10-06
- 80%
- 10-13
- 90%
- 10-17
28°F — killing freeze
Last spring freeze
- 10%
- 05-11
- 20%
- 05-06
- 50%
- 04-28
- 80%
- 04-17
- 90%
- 04-12
First fall freeze
- 10%
- 10-02
- 20%
- 10-06
- 50%
- 10-14
- 80%
- 10-21
- 90%
- 10-24
Growing season length (days, 28°F threshold)
- Short year
- 144
- Median
- 169
- Long year
- 195
Source NOAA station
KIT CARSON 9NNE, CO US
7.4 mi · 30 yrs of record (1991–2020) · 4346 ft elev.
Data from KIT CARSON 9NNE, CO US, 7.4 miles away with 30-year NOAA record (1991-2020).
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