Amador County, California · Frost dates
Amador County frost dates.
First-frost, last-frost, and growing-season length for Amador County, California. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 9b
32°F — light freeze
Last spring frost
- 10%
- 04-08
- 20%
- 03-31
- 50%
- 03-04
- 80%
- 01-21
- 90%
- 01-06
First fall frost
- 10%
- 11-19
- 20%
- 11-27
- 50%
- 12-11
- 80%
- 12-26
- 90%
- 01-04
28°F — killing freeze
Last spring freeze
- 10%
- 03-02
- 20%
- 02-02
- 50%
- 01-10
- 80%
- 12-26
- 90%
- 12-14
First fall freeze
- 10%
- 12-02
- 20%
- 12-09
- 50%
- 12-27
- 80%
- 01-12
- 90%
- 01-26
Growing season length (days, 28°F threshold)
- Short year
- 275
- Median
- 351
- Long year
- 408
Source NOAA station
SUTTER HILL CDF, CA US
9.2 mi · 30 yrs of record (1991–2020) · 1586 ft elev.
Data from SUTTER HILL CDF, CA US, 9.2 miles away with 30-year NOAA record (1991-2020).
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