Frost history / Laurel Summit, PA
Laurel Summit, PA: frost dates by year
Last spring and first fall frost at NOAA station USC00364839, 2001 to 2025, measured from daily minimum temperatures.
Elevation 2,730 ft, 40.169, -79.141. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 6 | Oct 18 |
| Earliest | Apr 19 (2007) | Oct 2 (2003) |
| Latest | May 26 (2013) | Nov 6 (2025) |
| Trend | 4.9 days earlier per decade | 6.4 days later per decade |
| Years with data | 22 | 24 |
At 28°F (hard freeze) the median last spring date is Apr 26 and the median first fall date is Oct 29.
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 | Apr 28 | Nov 6 | Apr 18 | Nov 10 |
| 2024 | Apr 23 | Oct 16 | Apr 7 | Nov 13 |
| 2023 | May 4 | Oct 23 | Apr 26 | Oct 31 |
| 2022 | May 1 | Oct 18 | Apr 30 | Oct 19 |
| 2021 | May 13 | Nov 2 | Apr 27 | Nov 3 |
| 2020 | no data | Oct 31 | no data | Oct 31 |
| 2019 | Apr 30 | no data | Apr 3 | no data |
| 2018 | May 1 | Oct 18 | Apr 30 | Oct 22 |
| 2017 | May 10 | Oct 17 | May 10 | Nov 1 |
| 2016 | May 17 | Oct 11 | Apr 14 | Nov 12 |
| 2015 | Apr 28 | Oct 18 | Apr 26 | Oct 18 |
| 2014 | May 6 | Oct 19 | Apr 25 | Nov 2 |
| 2013 | May 26 | Oct 23 | May 14 | Oct 25 |
| 2012 | Apr 29 | Oct 8 | Apr 29 | Oct 13 |
| 2011 | May 6 | Oct 2 | Apr 7 | Oct 28 |
| 2010 | May 12 | Oct 22 | Apr 29 | Oct 30 |
| 2009 | May 19 | Oct 14 | Apr 14 | Oct 19 |
| 2008 | May 13 | Oct 3 | Apr 17 | Oct 3 |
| 2007 | Apr 19 | Oct 29 | Apr 17 | Nov 6 |
| 2006 | May 24 | Oct 13 | Apr 27 | Oct 13 |
| 2005 | May 5 | Oct 25 | May 5 | Oct 25 |
| 2004 | no data | Oct 18 | no data | Nov 9 |
| 2003 | Apr 28 | Oct 2 | Apr 25 | Oct 3 |
| 2002 | May 22 | Oct 14 | May 22 | Oct 30 |
| 2001 | no data | Oct 7 | no data | Oct 8 |
"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.