Frost history / Pearblossom, CA
Pearblossom, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00046773, 1989 to 2025, measured from daily minimum temperatures.
Elevation 3,101 ft, 34.502, -117.897. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 15 | Nov 30 |
| Earliest | Jan 5 (2015) | Oct 28 (2009) |
| Latest | Apr 25 (2009) | Dec 28 (2018) |
| Trend | 2.5 days earlier per decade | 1.6 days later per decade |
| Years with data | 32 | 32, 1 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 22 and the median first fall date is Dec 12.
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 | Feb 9 | none | Jan 21 | none |
| 2024 | Apr 6 | Dec 9 | Jan 8 | none |
| 2023 | Apr 6 | Nov 25 | Feb 26 | none |
| 2022 | Apr 16 | Dec 7 | Feb 24 | Dec 17 |
| 2021 | Mar 16 | Dec 10 | none | Dec 11 |
| 2020 | Mar 26 | Nov 10 | Feb 5 | none |
| 2019 | Mar 10 | Nov 26 | Feb 22 | Nov 29 |
| 2018 | Mar 5 | Dec 28 | Mar 4 | none |
| 2017 | Mar 5 | Dec 21 | Mar 5 | Dec 22 |
| 2016 | Feb 4 | Nov 30 | Feb 3 | Dec 18 |
| 2015 | Jan 5 | Nov 12 | Jan 2 | Nov 28 |
| 2014 | Feb 4 | Dec 26 | none | Dec 28 |
| 2013 | Feb 27 | Dec 4 | Feb 10 | Dec 5 |
| 2012 | Mar 8 | Nov 11 | Jan 17 | Dec 19 |
| 2011 | Apr 9 | Nov 23 | Feb 27 | Dec 4 |
| 2010 | Apr 22 | Nov 23 | none | Nov 25 |
| 2009 | Apr 25 | Oct 28 | Feb 12 | Dec 8 |
| 2008 | Mar 16 | Dec 10 | Feb 5 | Dec 18 |
| 2007 | Mar 2 | Nov 22 | Mar 1 | Dec 12 |
| 2006 | Mar 15 | no data | Mar 13 | no data |
| 2005 | no data | Dec 3 | no data | none |
| 2004 | Mar 1 | Nov 21 | Feb 13 | Nov 30 |
| 2003 | Mar 4 | Nov 22 | Feb 8 | Dec 27 |
| 2002 | Mar 19 | Dec 19 | Mar 3 | Dec 19 |
| 2001 | Apr 9 | Nov 28 | Feb 8 | Nov 28 |
| 2000 | Mar 7 | Nov 1 | none | Nov 15 |
| 1999 | Apr 10 | Nov 23 | Apr 9 | none |
| 1998 | Apr 15 | Dec 4 | Mar 29 | Dec 7 |
| 1997 | Apr 3 | Dec 4 | Mar 1 | Dec 24 |
| 1996 | Apr 2 | Nov 30 | Feb 28 | Dec 19 |
| 1995 | Mar 26 | Dec 17 | Jan 2 | none |
| 1992 | Jan 24 | Nov 24 | none | Dec 16 |
| 1990 | Mar 14 | no data | Mar 13 | no data |
| 1989 | no data | Nov 30 | no data | Dec 12 |
"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.