Yucca Mesa, CA: frost dates by year

Last spring and first fall frost at NOAA station USC00049884, 2011 to 2025, measured from daily minimum temperatures.

Elevation 3,445 ft, 34.218, -116.407. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 16	Dec 5
Earliest	Jan 3 (2015)	Oct 30 (2019)
Latest	Apr 13 (2022)	Dec 29 (2018)
Trend	14.4 days later per decade	little change (less than half a day per decade)
Years with data	15	15, 4 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 24 and the median first fall date is Dec 13.

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 27	none	none	none
2024	Apr 6	none	none	none
2023	Apr 5	none	Mar 2	none
2022	Apr 13	Dec 12	Mar 6	none
2021	Mar 16	Dec 11	Mar 12	none
2020	Mar 27	Nov 9	none	none
2019	Mar 9	Oct 30	Feb 24	Dec 6
2018	Mar 18	Dec 29	Feb 24	none
2017	Mar 6	none	Feb 24	none
2016	Feb 4	Dec 18	Feb 3	none
2015	Jan 3	Nov 26	Jan 1	Dec 28
2014	Feb 5	Dec 27	none	Dec 28
2013	Feb 21	Dec 5	Feb 9	Dec 5
2012	Mar 20	Nov 10	Mar 19	Dec 20
2011	Apr 9	Dec 3	Feb 4	Dec 6

"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.