Elgin 5 S, AZ: frost dates by year

Last spring and first fall frost at NOAA station USW00053132, 2003 to 2024, measured from daily minimum temperatures.

Elevation 4,811 ft, 31.591, -110.509. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 16	Nov 1
Earliest	Mar 27 (2021)	Oct 8 (2011)
Latest	May 3 (2018)	Dec 7 (2017)
Trend	2.7 days earlier per decade	1.0 days earlier per decade
Years with data	22	22

At 28°F (hard freeze) the median last spring date is Apr 3 and the median first fall date is Nov 10.

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	Apr 16	Oct 30	Apr 7	Nov 5
2023	Apr 7	Nov 10	Apr 6	Nov 23
2022	Apr 14	Oct 24	Apr 13	Oct 25
2021	Mar 27	Oct 13	Mar 27	Oct 13
2020	Apr 15	Oct 26	Mar 30	Oct 26
2019	Apr 14	Oct 26	Mar 15	Nov 13
2018	May 3	Nov 1	Apr 14	Nov 12
2017	Apr 5	Dec 7	Mar 7	Dec 7
2016	Apr 29	Nov 12	Apr 3	Nov 22
2015	Apr 17	Nov 6	Mar 5	Nov 11
2014	Apr 7	Nov 3	Apr 3	Nov 4
2013	Apr 19	Oct 17	Apr 18	Oct 31
2012	Apr 16	Nov 11	Apr 16	Nov 11
2011	May 2	Oct 8	May 1	Nov 7
2010	May 3	Nov 9	May 1	Nov 10
2009	Apr 18	Oct 28	Apr 17	Oct 28
2008	Apr 18	Oct 13	Mar 19	Nov 6
2007	Apr 22	Nov 24	Mar 29	Nov 25
2006	Apr 7	Oct 19	Mar 22	Nov 29
2005	Apr 11	Nov 12	Jan 31	Nov 19
2004	Apr 12	Nov 1	Mar 1	Nov 2
2003	Apr 18	Nov 4	Apr 6	Nov 23

"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.