Frost history / Hemet, CA
Hemet, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00043896, 1997 to 2023, measured from daily minimum temperatures.
Elevation 1,811 ft, 33.738, -116.894. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 22 | Nov 28 |
| Earliest | Jan 1 (2015) | Nov 2 (2003) |
| Latest | Apr 11 (2001) | Dec 19 (2012) |
| Trend | 16.6 days earlier per decade | 4.0 days later per decade |
| Years with data | 26, 3 with no freeze | 25, 9 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 3 and the median first fall date is Dec 5.
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 |
|---|---|---|---|---|
| 2023 | Feb 15 | no data | none | no data |
| 2022 | Feb 24 | none | none | none |
| 2021 | Jan 26 | none | none | none |
| 2020 | Feb 4 | none | none | none |
| 2019 | Feb 22 | none | none | none |
| 2018 | Feb 20 | none | none | none |
| 2017 | none | none | none | none |
| 2016 | none | none | none | none |
| 2015 | Jan 1 | none | none | none |
| 2014 | none | none | none | none |
| 2013 | Jan 15 | Dec 9 | Jan 14 | none |
| 2012 | Mar 7 | Dec 19 | Jan 18 | none |
| 2011 | Feb 28 | Nov 9 | Feb 3 | Dec 5 |
| 2010 | Feb 23 | Nov 25 | none | none |
| 2009 | Feb 13 | Dec 9 | none | none |
| 2008 | Feb 5 | no data | none | no data |
| 2007 | Mar 2 | Dec 12 | Jan 18 | Dec 26 |
| 2006 | Mar 22 | Nov 29 | Mar 13 | Nov 30 |
| 2005 | Feb 1 | Nov 28 | none | Dec 5 |
| 2004 | Feb 15 | Nov 21 | Jan 4 | Nov 29 |
| 2003 | Apr 7 | Nov 2 | none | Dec 15 |
| 2002 | Mar 19 | Dec 19 | Feb 2 | none |
| 2001 | Apr 11 | Nov 27 | Feb 9 | Nov 28 |
| 2000 | Mar 21 | Nov 12 | Mar 7 | none |
| 1999 | Apr 10 | Nov 19 | Apr 1 | Nov 23 |
| 1998 | Jan 28 | Dec 7 | none | Dec 7 |
| 1997 | no data | Dec 10 | no data | Dec 25 |
"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 1991–2020 frost probabilities.