Santa Cruz County, Arizona · Frost dates
Santa Cruz County frost dates.
First-frost, last-frost, and growing-season length for Santa Cruz County, Arizona. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 04-13
- 20%
- 04-06
- 50%
- 03-20
- 80%
- 03-03
- 90%
- 02-24
First fall frost
- 10%
- 10-30
- 20%
- 11-04
- 50%
- 11-17
- 80%
- 11-29
- 90%
- 12-03
28°F — killing freeze
Last spring freeze
- 10%
- 03-21
- 20%
- 03-11
- 50%
- 02-23
- 80%
- 02-04
- 90%
- 01-25
First fall freeze
- 10%
- 11-11
- 20%
- 11-17
- 50%
- 11-30
- 80%
- 12-11
- 90%
- 12-17
Growing season length (days, 28°F threshold)
- Short year
- 235
- Median
- 280
- Long year
- 326
Source NOAA station
NOGALES INTL AP, AZ US
7.3 mi · 30 yrs of record (1991–2020) · 3932 ft elev.
Data from NOGALES INTL AP, AZ US, 7.3 miles away with 30-year NOAA record (1991-2020).
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