Frost history / Cascabel, AZ
Cascabel, AZ: frost dates by year
Last spring and first fall frost at NOAA station USC00021330, 1969 to 2025, measured from daily minimum temperatures.
Elevation 3,194 ft, 32.262, -110.348. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 21 | Oct 30 |
| Earliest | Mar 17 (1990) | Oct 8 (1970) |
| Latest | May 28 (2018) | Nov 27 (1995) |
| Trend | 0.9 days later per decade | little change (less than half a day per decade) |
| Years with data | 46 | 49 |
At 28°F (hard freeze) the median last spring date is Apr 5 and the median first fall date is Nov 8.
The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.
Chart
Last spring frost (32°F)
First fall frost (32°F)
Dots are single years. The gray line is the median, the green line the fitted trend.
Year by year
| Year | Last spring 32°F | First fall 32°F | Last spring 28°F | First fall 28°F |
|---|---|---|---|---|
| 2025 | Apr 20 | Nov 20 | Apr 5 | Dec 3 |
| 2024 | Apr 15 | Oct 19 | Apr 15 | Oct 30 |
| 2023 | Apr 20 | Oct 29 | Apr 5 | Nov 9 |
| 2022 | May 12 | Oct 24 | Apr 13 | Oct 27 |
| 2021 | Apr 18 | Oct 13 | Mar 28 | Oct 13 |
| 2020 | Apr 18 | Oct 27 | Mar 28 | Oct 27 |
| 2018 | May 28 | Nov 5 | Apr 14 | Nov 12 |
| 2017 | May 4 | Nov 21 | Apr 2 | Dec 7 |
| 2016 | Apr 29 | Nov 18 | Apr 4 | Nov 18 |
| 2015 | Apr 20 | Nov 6 | Apr 20 | Nov 11 |
| 2014 | May 12 | Nov 3 | Apr 6 | Nov 17 |
| 2013 | no data | Oct 18 | no data | Oct 31 |
| 2011 | no data | Oct 8 | no data | Nov 8 |
| 2010 | May 12 | no data | May 3 | no data |
| 2008 | no data | Oct 12 | no data | Oct 13 |
| 2006 | Apr 7 | Oct 19 | Apr 7 | Oct 26 |
| 2005 | May 12 | no data | Apr 10 | no data |
| 2004 | no data | Oct 30 | no data | Nov 2 |
| 2003 | Apr 24 | no data | Apr 7 | no data |
| 2002 | Apr 21 | Nov 5 | Mar 25 | Nov 5 |
| 2001 | Apr 23 | Oct 13 | Apr 12 | Nov 24 |
| 2000 | Apr 19 | Nov 1 | Apr 2 | Nov 8 |
| 1999 | Apr 30 | Oct 30 | Apr 10 | Nov 22 |
| 1998 | Apr 18 | Oct 17 | Apr 17 | Oct 17 |
| 1997 | Apr 25 | Oct 13 | Mar 5 | Oct 25 |
| 1996 | Apr 20 | Oct 22 | Apr 14 | Oct 22 |
| 1995 | Apr 22 | Nov 27 | Apr 22 | Nov 28 |
| 1994 | Apr 11 | Nov 5 | Mar 28 | Nov 18 |
| 1993 | Apr 14 | Oct 31 | Feb 3 | Nov 26 |
| 1992 | Apr 20 | Oct 8 | Feb 27 | Nov 6 |
| 1991 | May 4 | Oct 29 | Apr 29 | Oct 29 |
| 1990 | Mar 17 | Oct 21 | Mar 16 | Nov 4 |
| 1989 | Apr 27 | Oct 29 | Apr 27 | Oct 30 |
| 1988 | May 7 | Nov 16 | May 2 | Nov 16 |
| 1987 | Apr 13 | Nov 12 | Mar 31 | Nov 16 |
| 1986 | May 8 | Nov 5 | Apr 3 | Nov 8 |
| 1985 | Apr 19 | Nov 14 | Mar 31 | Nov 14 |
| 1984 | Apr 30 | Nov 9 | Apr 2 | Nov 18 |
| 1983 | Apr 16 | Nov 19 | Apr 15 | Nov 19 |
| 1982 | Apr 22 | Oct 9 | Apr 22 | Nov 3 |
| 1981 | Apr 5 | Oct 30 | Feb 22 | Oct 31 |
| 1980 | May 25 | Oct 17 | Mar 29 | Oct 28 |
| 1979 | May 11 | Oct 30 | Apr 4 | Nov 1 |
| 1978 | no data | Nov 16 | no data | Nov 28 |
| 1977 | Apr 3 | no data | Apr 3 | no data |
| 1976 | Apr 18 | Oct 29 | Mar 30 | Nov 16 |
| 1975 | no data | Oct 15 | no data | Oct 24 |
| 1974 | May 20 | Nov 4 | Apr 5 | Nov 24 |
| 1973 | Apr 15 | Oct 30 | Apr 9 | Nov 15 |
| 1972 | Apr 21 | Nov 1 | Apr 15 | Nov 1 |
| 1971 | Apr 20 | Oct 30 | Apr 2 | Oct 30 |
| 1970 | Apr 30 | Oct 8 | Apr 29 | Oct 27 |
| 1969 | no data | Oct 30 | no data | Nov 18 |
"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.