Pinal County, Arizona · Frost dates
Pinal County frost dates.
First-frost, last-frost, and growing-season length for Pinal County, Arizona. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 02-24
- 20%
- 02-17
- 50%
- 01-30
- 80%
- 01-04
- 90%
- 12-27
First fall frost
- 10%
- 11-22
- 20%
- 11-29
- 50%
- 12-12
- 80%
- 01-01
- 90%
- 01-12
28°F — killing freeze
Last spring freeze
- 10%
- 02-11
- 20%
- 02-02
- 50%
- 01-08
- 80%
- 12-19
- 90%
- 12-11
First fall freeze
- 10%
- 12-01
- 20%
- 12-08
- 50%
- 12-26
- 80%
- 01-16
- 90%
- 01-31
Growing season length (days, 28°F threshold)
- Short year
- 293
- Median
- 352
- Long year
- 416
Source NOAA station
FLORENCE, AZ US
8.2 mi · 30 yrs of record (1991–2020) · 1400 ft elev.
Data from FLORENCE, AZ US, 8.2 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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