Weld County, Colorado · Frost dates
Weld County frost dates.
First-frost, last-frost, and growing-season length for Weld County, Colorado. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-25
- 20%
- 05-21
- 50%
- 05-12
- 80%
- 05-05
- 90%
- 05-02
First fall frost
- 10%
- 09-15
- 20%
- 09-20
- 50%
- 09-28
- 80%
- 10-04
- 90%
- 10-07
28°F — killing freeze
Last spring freeze
- 10%
- 05-16
- 20%
- 05-11
- 50%
- 05-03
- 80%
- 04-26
- 90%
- 04-22
First fall freeze
- 10%
- 09-23
- 20%
- 09-27
- 50%
- 10-05
- 80%
- 10-13
- 90%
- 10-17
Growing season length (days, 28°F threshold)
- Short year
- 130
- Median
- 155
- Long year
- 178
Source NOAA station
BRIGGSDALE, CO US
6.1 mi · 30 yrs of record (1991–2020) · 4862 ft elev.
Data from BRIGGSDALE, CO US, 6.1 miles away with 30-year NOAA record (1991-2020).
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