Conejos County, Colorado · Frost dates
Conejos County frost dates.
First-frost, last-frost, and growing-season length for Conejos 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%
- 05-28
- 80%
- 05-17
- 90%
- 05-13
First fall frost
- 10%
- 09-09
- 20%
- 09-14
- 50%
- 09-21
- 80%
- 09-28
- 90%
- 10-01
28°F — killing freeze
Last spring freeze
- 10%
- 06-02
- 20%
- 05-26
- 50%
- 05-13
- 80%
- 05-04
- 90%
- 04-30
First fall freeze
- 10%
- 09-18
- 20%
- 09-22
- 50%
- 09-29
- 80%
- 10-05
- 90%
- 10-09
Growing season length (days, 28°F threshold)
- Short year
- 108
- Median
- 139
- Long year
- 162
Source NOAA station
MANASSA, CO US
13.3 mi · 30 yrs of record (1991–2020) · 7695 ft elev.
Data from MANASSA, CO US, 13.3 miles away with 30-year NOAA record (1991-2020).
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