Last Frost Day

Frost history / Eskdale, UT

Eskdale, UT: frost dates by year

Last spring and first fall frost at NOAA station USC00422607, 1966 to 2025, measured from daily minimum temperatures.

Elevation 4,980 ft, 39.108, -113.953. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 19Sep 27
EarliestApr 24 (2016)Sep 2 (1973)
LatestJun 30 (1968)Oct 27 (2015)
Trend3.6 days earlier per decade2.9 days later per decade
Years with data5357

At 28°F (hard freeze) the median last spring date is May 3 and the median first fall date is Oct 7.

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)

Apr 15Apr 30May 15May 30Jun 14Jun 29Jul 141970198019902000201020201967: May 151968: Jun 301969: Apr 301972: May 221973: Jun 191974: Jun 101975: May 261976: Jun 151977: May 191978: May 291979: Jun 91981: Jun 141982: Jun 91983: May 201984: Jun 91985: May 301986: May 221987: May 31988: May 71989: Apr 301990: Jun 21991: May 121992: May 31993: May 91994: May 211996: May 51997: May 21998: May 231999: May 172000: May 122001: Jun 132002: Jun 102003: May 202004: May 12006: May 292007: May 222008: May 132009: May 142011: Jun 32012: May 72013: May 52014: May 142015: Apr 282016: Apr 242017: May 182018: Apr 252019: May 112020: Jun 92021: May 242022: Jun 12023: May 62024: May 82025: May 14

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111970198019902000201020201966: Oct 31967: Sep 131968: Sep 161969: Sep 221970: Sep 131971: Sep 181972: Sep 301973: Sep 21974: Sep 121975: Sep 201976: Oct 41977: Sep 231978: Sep 181979: Oct 211980: Sep 221981: Oct 11982: Sep 291983: Sep 211984: Sep 251985: Sep 121986: Sep 211987: Sep 271988: Sep 191989: Oct 51990: Oct 71992: Oct 51993: Sep 141994: Oct 81995: Sep 221996: Sep 171998: Oct 41999: Sep 282000: Sep 242001: Sep 92002: Oct 132003: Sep 142004: Sep 222005: Sep 292006: Sep 162007: Sep 252008: Oct 62010: Oct 132011: Oct 72012: Oct 72013: Sep 272014: Oct 132015: Oct 272016: Sep 242017: Sep 232018: Oct 122019: Sep 302020: Sep 102021: Sep 302022: Oct 142023: Oct 122024: Oct 202025: Oct 7

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
2025May 14Oct 7Apr 19Oct 17
2024May 8Oct 20May 8Oct 25
2023May 6Oct 12Apr 20Oct 13
2022Jun 1Oct 14May 21Oct 24
2021May 24Sep 30Apr 18Sep 30
2020Jun 9Sep 10May 8Oct 16
2019May 11Sep 30Apr 13Oct 1
2018Apr 25Oct 12Apr 18Oct 15
2017May 18Sep 23Apr 28Oct 10
2016Apr 24Sep 24Apr 18Oct 4
2015Apr 28Oct 27Apr 28Nov 5
2014May 14Oct 13May 1Oct 27
2013May 5Sep 27May 3Oct 5
2012May 7Oct 7Apr 16Oct 7
2011Jun 3Oct 7May 5Oct 7
2010no dataOct 13no dataOct 13
2009May 14no dataApr 27no data
2008May 13Oct 6May 13Oct 11
2007May 22Sep 25Apr 21Sep 30
2006May 29Sep 16May 29Sep 17
2005no dataSep 29no dataOct 5
2004May 1Sep 22Apr 11Sep 22
2003May 20Sep 14Apr 9Oct 11
2002Jun 10Oct 13May 9Oct 13
2001Jun 13Sep 9May 5Oct 10
2000May 12Sep 24May 12Nov 2
1999May 17Sep 28May 5Sep 28
1998May 23Oct 4Apr 28Oct 4
1997May 2no dataMay 2no data
1996May 5Sep 17Apr 29Oct 17
1995no dataSep 22no dataOct 5
1994May 21Oct 8Apr 5Oct 30
1993May 9Sep 14May 1Oct 9
1992May 3Oct 5Apr 24Oct 7
1991May 12no dataMay 5no data
1990Jun 2Oct 7Mar 13Oct 8
1989Apr 30Oct 5Mar 21Oct 5
1988May 7Sep 19May 6Sep 19
1987May 3Sep 27Apr 21Oct 15
1986May 22Sep 21May 5Sep 22
1985May 30Sep 12Apr 23Sep 29
1984Jun 9Sep 25May 7Sep 25
1983May 20Sep 21May 14Sep 21
1982Jun 9Sep 29May 6Oct 10
1981Jun 14Oct 1May 9Oct 14
1980no dataSep 22no dataOct 16
1979Jun 9Oct 21May 10Oct 27
1978May 29Sep 18May 17Sep 19
1977May 19Sep 23May 10Sep 23
1976Jun 15Oct 4Jun 14Oct 19
1975May 26Sep 20May 21Oct 8
1974Jun 10Sep 12May 21Sep 28
1973Jun 19Sep 2Apr 22Oct 4
1972May 22Sep 30May 10Oct 28
1971no dataSep 18no dataSep 18
1970no dataSep 13no dataSep 13
1969Apr 30Sep 22Apr 28Oct 13
1968Jun 30Sep 16May 17Sep 21
1967May 15Sep 13May 14Oct 7
1966no dataOct 3no dataOct 4

"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.