Chaffee County, Colorado · Frost dates
Chaffee County frost dates.
First-frost, last-frost, and growing-season length for Chaffee County, Colorado. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 06-11
- 20%
- 06-06
- 50%
- 05-27
- 80%
- 05-17
- 90%
- 05-13
First fall frost
- 10%
- 09-10
- 20%
- 09-15
- 50%
- 09-23
- 80%
- 09-30
- 90%
- 10-04
28°F — killing freeze
Last spring freeze
- 10%
- 06-01
- 20%
- 05-26
- 50%
- 05-15
- 80%
- 05-04
- 90%
- 05-01
First fall freeze
- 10%
- 09-19
- 20%
- 09-24
- 50%
- 10-02
- 80%
- 10-10
- 90%
- 10-15
Growing season length (days, 28°F threshold)
- Short year
- 110
- Median
- 140
- Long year
- 167
Source NOAA station
BUENA VISTA 2S, CO US
11.2 mi · 30 yrs of record (1991–2020) · 7954 ft elev.
Data from BUENA VISTA 2S, CO US, 11.2 miles away with 30-year NOAA record (1991-2020).
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