Frost history / Sasabe, AZ
Sasabe, AZ: frost dates by year
Last spring and first fall frost at NOAA station USC00027619, 1959 to 2025, measured from daily minimum temperatures.
Elevation 3,590 ft, 31.483, -111.544. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 25 | Nov 24 |
| Earliest | Jan 17 (1992) | Oct 28 (2020) |
| Latest | May 8 (1965) | Dec 17 (1995) |
| Trend | 2.3 days earlier per decade | little change (less than half a day per decade) |
| Years with data | 49 | 51, 1 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 25 and the median first fall date is Dec 4.
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 | Jan 31 | none | Jan 30 | none |
| 2024 | Mar 17 | Nov 7 | Feb 11 | none |
| 2023 | Apr 5 | Dec 3 | Apr 5 | none |
| 2022 | Apr 13 | Nov 4 | Mar 13 | Nov 24 |
| 2021 | Mar 17 | Dec 12 | Mar 1 | Dec 28 |
| 2020 | Mar 28 | Oct 28 | Feb 6 | Dec 15 |
| 2019 | Mar 15 | Dec 1 | Feb 25 | Dec 17 |
| 2018 | Mar 1 | Nov 12 | Feb 27 | Dec 29 |
| 2017 | Feb 25 | Dec 8 | Feb 25 | Dec 8 |
| 2016 | Mar 31 | Nov 30 | Feb 4 | Nov 30 |
| 2015 | Feb 26 | Nov 11 | Jan 23 | Nov 15 |
| 2014 | Apr 7 | Dec 14 | Feb 2 | Dec 27 |
| 2013 | no data | Dec 6 | no data | Dec 6 |
| 2012 | Apr 16 | Nov 11 | Mar 20 | Nov 11 |
| 2011 | Apr 13 | no data | Feb 28 | no data |
| 2010 | Apr 23 | Nov 10 | Mar 11 | Nov 26 |
| 2007 | Mar 2 | Nov 25 | Mar 2 | Dec 9 |
| 2006 | Mar 23 | no data | Feb 22 | no data |
| 2005 | Mar 15 | Nov 28 | none | Nov 28 |
| 2003 | no data | Nov 23 | no data | Dec 11 |
| 2002 | Mar 19 | Dec 11 | Mar 17 | Dec 19 |
| 1996 | Feb 28 | Oct 30 | Jan 28 | Nov 30 |
| 1995 | Mar 26 | Dec 17 | Jan 18 | Dec 19 |
| 1994 | Feb 23 | Nov 17 | Feb 1 | Nov 20 |
| 1992 | Jan 17 | Nov 11 | Jan 13 | Nov 21 |
| 1991 | Apr 14 | Oct 29 | Mar 15 | Dec 2 |
| 1990 | Mar 15 | Nov 27 | Mar 14 | Nov 27 |
| 1989 | no data | Nov 30 | no data | none |
| 1988 | Mar 31 | Nov 19 | Mar 12 | Nov 19 |
| 1987 | Mar 30 | Nov 16 | Feb 28 | Nov 26 |
| 1986 | Feb 12 | Nov 24 | Feb 11 | Dec 11 |
| 1985 | no data | Nov 14 | no data | Dec 11 |
| 1984 | Apr 2 | Nov 26 | Feb 21 | Nov 28 |
| 1983 | Apr 13 | Nov 22 | Jan 22 | Nov 23 |
| 1982 | Mar 20 | Dec 2 | Feb 3 | Dec 25 |
| 1981 | Mar 28 | Nov 26 | Feb 4 | Dec 23 |
| 1978 | Apr 10 | Nov 16 | Feb 19 | Dec 2 |
| 1976 | Apr 17 | no data | Apr 17 | no data |
| 1974 | Mar 10 | Dec 2 | Feb 21 | Dec 10 |
| 1973 | Apr 3 | Nov 20 | Jan 24 | Dec 3 |
| 1972 | Mar 30 | Nov 1 | Mar 29 | Nov 1 |
| 1971 | Apr 19 | Oct 30 | Mar 3 | Oct 30 |
| 1970 | Apr 17 | Dec 11 | Apr 17 | Dec 15 |
| 1969 | Mar 16 | Nov 18 | Mar 12 | Dec 6 |
| 1968 | Apr 19 | Nov 26 | Jan 6 | Nov 26 |
| 1967 | Apr 30 | Nov 30 | Mar 6 | Dec 9 |
| 1966 | Mar 5 | Nov 27 | Mar 4 | Dec 27 |
| 1965 | May 8 | Nov 26 | Mar 5 | Dec 18 |
| 1964 | Mar 25 | Nov 12 | Mar 8 | Nov 16 |
| 1963 | Mar 19 | Nov 22 | Feb 13 | Dec 22 |
| 1962 | Mar 24 | Nov 18 | Mar 14 | Nov 19 |
| 1961 | Mar 19 | Nov 14 | none | Nov 14 |
| 1960 | Feb 28 | Nov 28 | Feb 25 | Dec 4 |
| 1959 | no data | Nov 27 | no data | Dec 15 |
"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.