Last Frost Day

Frost history / Johnstown Cambria Co Ap, PA

Johnstown Cambria Co Ap, PA: frost dates by year

Last spring and first fall frost at NOAA station USW00004726, 2000 to 2024, measured from daily minimum temperatures.

Elevation 2,284 ft, 40.316, -78.834. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 29Oct 18
EarliestApr 13 (2016)Sep 29 (2000)
LatestMay 23 (2006)Nov 2 (2021)
Trend3.0 days earlier per decade7.6 days later per decade
Years with data2425

At 28°F (hard freeze) the median last spring date is Apr 16 and the median first fall date is Nov 4.

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)

Mar 31Apr 15Apr 30May 15May 302000201020202001: Apr 252002: May 222003: Apr 242004: May 42005: May 42006: May 232007: Apr 162008: May 122009: Apr 162010: May 102011: Apr 172012: Apr 292013: May 142014: Apr 272015: Apr 252016: Apr 132017: May 92018: Apr 292019: Apr 292020: May 92021: Apr 262022: Apr 292023: May 32024: Apr 22

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 112000201020202000: Sep 292001: Oct 72002: Oct 172003: Oct 22004: Oct 122005: Oct 252006: Oct 122007: Oct 292008: Oct 182009: Oct 142010: Oct 302011: Oct 22012: Oct 82013: Oct 232014: Nov 12015: Oct 182016: Oct 262017: Oct 312018: Oct 212019: Oct 132020: Oct 172021: Nov 22022: Oct 192023: Oct 312024: Oct 27

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2024Apr 22Oct 27Mar 24Nov 13
2023May 3Oct 31Apr 8Nov 1
2022Apr 29Oct 19Apr 28Nov 14
2021Apr 26Nov 2Apr 22Nov 4
2020May 9Oct 17May 9Nov 2
2019Apr 29Oct 13Apr 1Nov 2
2018Apr 29Oct 21Apr 20Nov 10
2017May 9Oct 31Apr 8Nov 10
2016Apr 13Oct 26Apr 13Nov 12
2015Apr 25Oct 18Apr 1Oct 19
2014Apr 27Nov 1Apr 24Nov 7
2013May 14Oct 23Apr 21Nov 4
2012Apr 29Oct 8Mar 30Nov 6
2011Apr 17Oct 2Mar 30Oct 28
2010May 10Oct 30Mar 27Nov 2
2009Apr 16Oct 14Apr 13Oct 19
2008May 12Oct 18Apr 14Oct 23
2007Apr 16Oct 29Apr 10Nov 7
2006May 23Oct 12Apr 26Nov 2
2005May 4Oct 25Apr 25Nov 16
2004May 4Oct 12Apr 28Nov 9
2003Apr 24Oct 2Apr 24Nov 8
2002May 22Oct 17May 20Nov 1
2001Apr 25Oct 7Apr 19Oct 8
2000no dataSep 29no dataOct 29

"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.