Gilpin County, Colorado · Frost dates
Gilpin County frost dates.
First-frost, last-frost, and growing-season length for Gilpin County, Colorado. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 06-19
- 20%
- 06-14
- 50%
- 06-05
- 80%
- 05-28
- 90%
- 05-23
First fall frost
- 10%
- 09-02
- 20%
- 09-07
- 50%
- 09-16
- 80%
- 09-24
- 90%
- 09-28
28°F — killing freeze
Last spring freeze
- 10%
- 06-05
- 20%
- 05-31
- 50%
- 05-21
- 80%
- 05-12
- 90%
- 05-07
First fall freeze
- 10%
- 09-11
- 20%
- 09-17
- 50%
- 09-26
- 80%
- 10-05
- 90%
- 10-10
Growing season length (days, 28°F threshold)
- Short year
- 98
- Median
- 128
- Long year
- 156
Source NOAA station
COAL CREEK CANYON, CO US
8.0 mi · 30 yrs of record (1991–2020) · 8950 ft elev.
Data from COAL CREEK CANYON, CO US, 8 miles away with 30-year NOAA record (1991-2020).
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