Imperial County, California · Frost dates
Imperial County frost dates.
First-frost, last-frost, and growing-season length for Imperial County, California. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 9b
32°F — light freeze
Last spring frost
- 10%
- 02-17
- 20%
- 02-07
- 50%
- 01-16
- 80%
- 12-31
- 90%
- 12-21
First fall frost
- 10%
- 12-02
- 20%
- 12-07
- 50%
- 12-19
- 80%
- 01-03
- 90%
- 01-17
28°F — killing freeze
Last spring freeze
- 10%
- 02-02
- 20%
- 01-18
- 50%
- 01-02
- 80%
- 12-19
- 90%
- 12-12
First fall freeze
- 10%
- 12-10
- 20%
- 12-16
- 50%
- 12-29
- 80%
- 01-11
- 90%
- 01-27
Growing season length (days, 28°F threshold)
- Short year
- 311
- Median
- 361
- Long year
- 411
Source NOAA station
BRAWLEY 2 SW, CA US
13.2 mi · 30 yrs of record (1991–2020) · -100 ft elev.
Data from BRAWLEY 2 SW, CA US, 13.2 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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