Last Frost Day

Frost history / Fruita, CO

Fruita, CO: frost dates by year

Last spring and first fall frost at NOAA station USC00053146, 1951 to 2025, measured from daily minimum temperatures.

Elevation 4,498 ft, 39.144, -108.728. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 8Oct 5
EarliestApr 18 (2020)Sep 10 (1962)
LatestJun 19 (1973)Oct 31 (2024)
Trend2.4 days earlier per decade2.7 days later per decade
Years with data5557

At 28°F (hard freeze) the median last spring date is Apr 23 and the median first fall date is Oct 16.

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 30Jun 14Jun 2919601970198019902000201020201951: May 31952: Apr 241953: May 141954: Jun 71955: May 281956: May 151957: May 221958: Apr 291959: Apr 231960: May 251961: Apr 291962: May 11963: May 131964: May 121965: May 111966: Apr 291967: May 151968: May 171969: Apr 291970: May 151971: May 191972: May 31973: Jun 191974: May 221975: May 61976: Jun 141977: May 191978: May 81979: May 121980: May 261981: May 91982: May 151987: Apr 241989: May 11990: Jun 21992: Apr 251993: May 21994: Apr 291995: May 131999: May 172000: May 142002: May 92003: May 62005: Apr 302006: Apr 252008: May 32009: Apr 272010: May 92011: May 32019: May 32020: Apr 182021: Apr 252022: May 12023: Apr 222025: Apr 21

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 121952: Oct 31953: Oct 41954: Oct 141955: Oct 61956: Sep 231957: Sep 221958: Sep 251959: Sep 281960: Oct 161961: Sep 301962: Sep 101963: Oct 141964: Oct 21965: Sep 211966: Oct 141967: Oct 71968: Sep 231969: Oct 51970: Sep 261971: Sep 181972: Oct 231973: Sep 271974: Sep 281975: Sep 201976: Oct 71977: Oct 11978: Sep 201979: Oct 221980: Sep 231981: Oct 181982: Sep 281987: Oct 61988: Sep 291989: Oct 51990: Oct 81991: Oct 51992: Oct 81993: Oct 201994: Sep 231996: Sep 271997: Oct 91998: Oct 62001: Oct 62002: Oct 132003: Oct 112005: Oct 312006: Sep 172009: Sep 302010: Oct 262018: Oct 152019: Oct 42020: Oct 132021: Oct 162022: Oct 222023: Oct 252024: Oct 31

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
2025Apr 21no dataApr 21no data
2024no dataOct 31no dataNov 1
2023Apr 22Oct 25Apr 22Oct 31
2022May 1Oct 22Apr 15Oct 24
2021Apr 25Oct 16Apr 19Oct 16
2020Apr 18Oct 13Apr 18Oct 25
2019May 3Oct 4Apr 14Oct 12
2018no dataOct 15no dataOct 15
2011May 3no dataMay 3no data
2010May 9Oct 26Apr 14Oct 29
2009Apr 27Sep 30Apr 7Oct 2
2008May 3no dataApr 26no data
2006Apr 25Sep 17Apr 20Oct 22
2005Apr 30Oct 31Apr 12Nov 1
2003May 6Oct 11Apr 10Oct 14
2002May 9Oct 13Apr 23Oct 15
2001no dataOct 6no dataOct 25
2000May 14no dataApr 4no data
1999May 17no dataMay 6no data
1998no dataOct 6no dataOct 18
1997no dataOct 9no dataOct 13
1996no dataSep 27no dataSep 27
1995May 13no dataApr 27no data
1994Apr 29Sep 23Apr 12Oct 8
1993May 2Oct 20Apr 19Oct 27
1992Apr 25Oct 8Mar 25Oct 8
1991no dataOct 5no dataOct 29
1990Jun 2Oct 8May 9Oct 9
1989May 1Oct 5Apr 13Oct 18
1988no dataSep 29no dataOct 24
1987Apr 24Oct 6Apr 22Oct 20
1982May 15Sep 28May 6Oct 10
1981May 9Oct 18Apr 6Oct 23
1980May 26Sep 23Apr 17Oct 20
1979May 12Oct 22Apr 26Oct 22
1978May 8Sep 20Apr 23Sep 20
1977May 19Oct 1Apr 21Oct 11
1976Jun 14Oct 7Jun 14Oct 8
1975May 6Sep 20Apr 29Oct 9
1974May 22Sep 28May 21Nov 5
1973Jun 19Sep 27May 28Oct 25
1972May 3Oct 23May 1Oct 30
1971May 19Sep 18Apr 28Sep 18
1970May 15Sep 26May 2Sep 26
1969Apr 29Oct 5Apr 27Oct 6
1968May 17Sep 23May 7Oct 16
1967May 15Oct 7May 3Oct 16
1966Apr 29Oct 14Apr 28Oct 15
1965May 11Sep 21Apr 16Oct 27
1964May 12Oct 2Apr 21Oct 14
1963May 13Oct 14Apr 23Nov 1
1962May 1Sep 10Apr 12Oct 26
1961Apr 29Sep 30Apr 27Sep 30
1960May 25Oct 16May 1Oct 26
1959Apr 23Sep 28Apr 22Sep 28
1958Apr 29Sep 25Apr 27Oct 21
1957May 22Sep 22Apr 24Oct 26
1956May 15Sep 23Apr 13Sep 23
1955May 28Oct 6May 16Oct 6
1954Jun 7Oct 14Jun 7Oct 14
1953May 14Oct 4May 12Oct 5
1952Apr 24Oct 3Apr 16Oct 7
1951May 3Sep 12May 3Oct 7

"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.