Lake County, California · Frost dates
Lake County frost dates.
First-frost, last-frost, and growing-season length for Lake County, California. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 9b
32°F — light freeze
Last spring frost
- 10%
- 04-30
- 20%
- 04-23
- 50%
- 04-10
- 80%
- 03-31
- 90%
- 03-24
First fall frost
- 10%
- 10-24
- 20%
- 10-29
- 50%
- 11-06
- 80%
- 11-14
- 90%
- 11-20
28°F — killing freeze
Last spring freeze
- 10%
- 04-07
- 20%
- 03-31
- 50%
- 03-14
- 80%
- 02-25
- 90%
- 02-12
First fall freeze
- 10%
- 11-04
- 20%
- 11-10
- 50%
- 11-21
- 80%
- 12-01
- 90%
- 12-08
Growing season length (days, 28°F threshold)
- Short year
- 211
- Median
- 252
- Long year
- 299
Source NOAA station
CLEARLAKE 4 SE, CA US
15.9 mi · 30 yrs of record (1991–2020) · 1349 ft elev.
Data from CLEARLAKE 4 SE, CA US, 15.9 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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