Frost history / Apache Junction 5 Ne, AZ
Apache Junction 5 Ne, AZ: frost dates by year
Last spring and first fall frost at NOAA station USC00020288, 1987 to 2024, measured from daily minimum temperatures.
Elevation 2,070 ft, 33.462, -111.481. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 23 | Dec 9 |
| Earliest | Jan 4 (2015) | Oct 29 (2009) |
| Latest | Mar 30 (1998) | Dec 31 (2010) |
| Trend | 0.8 days earlier per decade | 3.1 days later per decade |
| Years with data | 33, 1 with no freeze | 38, 4 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 4 and the median first fall date is Dec 14.
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 |
|---|---|---|---|---|
| 2024 | no data | none | no data | none |
| 2023 | Feb 17 | none | Jan 24 | none |
| 2022 | Feb 24 | Dec 14 | none | none |
| 2021 | Feb 28 | none | none | none |
| 2020 | Feb 7 | Dec 15 | Feb 7 | none |
| 2019 | Mar 14 | Dec 29 | Feb 20 | Dec 29 |
| 2018 | Feb 26 | Dec 28 | Feb 24 | none |
| 2017 | no data | Dec 8 | no data | Dec 22 |
| 2016 | Feb 4 | none | Feb 4 | none |
| 2015 | Jan 4 | Nov 17 | Jan 3 | Nov 30 |
| 2014 | Feb 4 | Dec 26 | none | Dec 26 |
| 2013 | Feb 25 | Dec 6 | Jan 16 | Dec 6 |
| 2012 | Mar 8 | Dec 27 | none | none |
| 2011 | Feb 5 | Dec 6 | Feb 4 | none |
| 2010 | Feb 23 | Dec 31 | none | Dec 31 |
| 2009 | Feb 14 | Oct 29 | none | none |
| 2008 | no data | Dec 27 | no data | Dec 27 |
| 2007 | Mar 2 | Dec 14 | Mar 1 | Dec 22 |
| 2006 | Feb 22 | Nov 29 | none | Nov 29 |
| 2005 | no data | Nov 28 | no data | Nov 28 |
| 2004 | Feb 8 | Nov 29 | none | Nov 29 |
| 2003 | Feb 6 | Dec 15 | Feb 6 | Dec 28 |
| 2002 | Mar 17 | Dec 19 | Jan 31 | none |
| 2001 | Feb 24 | Nov 27 | none | none |
| 2000 | Jan 9 | Nov 15 | none | none |
| 1999 | Feb 11 | Dec 4 | Jan 29 | Dec 11 |
| 1998 | Mar 30 | Dec 6 | none | Dec 22 |
| 1997 | Feb 26 | Dec 10 | Jan 8 | none |
| 1996 | Feb 27 | Nov 30 | Jan 23 | Nov 30 |
| 1995 | Jan 18 | Dec 21 | none | none |
| 1994 | Feb 22 | Nov 20 | none | Nov 20 |
| 1993 | none | Dec 16 | none | none |
| 1992 | Jan 14 | Nov 21 | none | Nov 24 |
| 1991 | Jan 30 | Dec 2 | none | none |
| 1990 | Mar 14 | Dec 18 | Mar 14 | Dec 22 |
| 1989 | Mar 4 | Dec 11 | Feb 6 | Dec 11 |
| 1988 | Mar 12 | Dec 26 | Jan 20 | Dec 27 |
| 1987 | no data | Nov 26 | no data | Dec 14 |
"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.