Solano County, California · Frost dates
Solano County frost dates.
First-frost, last-frost, and growing-season length for Solano County, California. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 9b
32°F — light freeze
Last spring frost
- 10%
- 02-16
- 20%
- 02-02
- 50%
- 01-15
- 80%
- 12-29
- 90%
- 12-22
First fall frost
- 10%
- 11-29
- 20%
- 12-02
- 50%
- 12-14
- 80%
- 01-01
- 90%
- 01-09
28°F — killing freeze
Last spring freeze
- 10%
- 01-19
- 20%
- 01-12
- 50%
- 12-31
- 80%
- 12-20
- 90%
- 12-13
First fall freeze
- 10%
- 12-06
- 20%
- 12-11
- 50%
- 12-24
- 80%
- 01-04
- 90%
- 01-11
Growing season length (days, 28°F threshold)
- Short year
- 321
- Median
- 358
- Long year
- 394
Source NOAA station
FAIRFIELD, CA US
7.0 mi · 30 yrs of record (1991–2020) · 40 ft elev.
Data from FAIRFIELD, CA US, 7 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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