Yuma 27 Ene, AZ: frost dates by year

Last spring and first fall frost at NOAA station USW00053154, 2008 to 2024, measured from daily minimum temperatures.

Elevation 620 ft, 32.835, -114.188. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Jan 21	Dec 17
Earliest	Jan 2 (2022)	Nov 27 (2010)
Latest	Feb 25 (2018)	Dec 30 (2018)
Trend	little change (less than half a day per decade)	13.5 days later per decade
Years with data	16, 4 with no freeze	17, 6 with no freeze

At 28°F (hard freeze) the median last spring date is Jan 8 and the median first fall date is Dec 2.

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	Jan 9	none	none	none
2023	Feb 16	none	none	none
2022	Jan 2	Dec 13	none	none
2021	Jan 12	Dec 16	none	none
2020	none	none	none	none
2019	Feb 23	Dec 29	Jan 3	none
2018	Feb 25	Dec 30	none	none
2017	Jan 26	Dec 23	none	none
2016	Feb 4	none	none	none
2015	Jan 4	Dec 17	Jan 1	none
2014	none	Dec 28	none	none
2013	Jan 16	none	Jan 13	none
2012	Jan 13	Dec 20	none	none
2011	Feb 4	Dec 4	Feb 4	Dec 7
2010	none	Nov 27	none	Nov 27
2009	none	Dec 5	none	none
2008	no data	none	no data	none

"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.