Last Frost Day

Frost history / Manila, UT

Manila, UT: frost dates by year

Last spring and first fall frost at NOAA station USC00425377, 1952 to 2025, measured from daily minimum temperatures.

Elevation 6,393 ft, 40.990, -109.726. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 24Sep 21
EarliestApr 22 (1987)Aug 27 (1976)
LatestJun 25 (1953)Oct 23 (2015)
Trend0.8 days earlier per decade2.0 days later per decade
Years with data4848

At 28°F (hard freeze) the median last spring date is May 7 and the median first fall date is Oct 5.

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 1419601970198019902000201020201953: Jun 251955: Jun 21957: May 211958: May 21959: May 211961: May 171962: Jun 161963: May 131964: Jun 81965: May 131966: May 241967: May 151968: May 191969: Apr 301970: Jun 11971: May 221973: Jun 181974: Jun 81975: May 261976: Jun 141977: May 291978: May 311979: Jun 91980: May 261981: Jun 141982: Jun 91983: May 201984: May 171985: May 161986: May 231987: Apr 221988: May 312008: Jun 82010: May 312011: Jun 112012: Jun 72013: May 82014: Jun 172015: May 152016: May 212017: May 192018: May 12019: Jun 82020: May 72021: May 122022: May 312023: May 72024: May 23

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201952: Sep 151954: Sep 301955: Oct 51956: Sep 221958: Sep 211959: Sep 221961: Sep 141962: Aug 311964: Sep 211965: Sep 161966: Oct 101968: Sep 211970: Sep 141971: Sep 131972: Sep 211973: Sep 31974: Sep 121976: Aug 271977: Sep 181978: Sep 141979: Oct 91980: Sep 221981: Sep 261982: Sep 141983: Sep 201984: Sep 221985: Sep 131986: Sep 191987: Sep 181989: Sep 132007: Sep 252008: Sep 242009: Sep 222010: Sep 112011: Oct 82012: Oct 42013: Sep 272014: Sep 112015: Oct 232017: Sep 252018: Sep 242019: Sep 292020: Sep 72021: Sep 202022: Oct 162023: Oct 132024: Oct 162025: 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
2025no dataOct 7no dataOct 21
2024May 23Oct 16May 23Oct 29
2023May 7Oct 13Apr 27Oct 26
2022May 31Oct 16May 22Oct 23
2021May 12Sep 20Apr 27Oct 11
2020May 7Sep 7Apr 19Sep 8
2019Jun 8Sep 29May 1Oct 2
2018May 1Sep 24Apr 23Oct 12
2017May 19Sep 25Apr 29Oct 2
2016May 21no dataMay 1no data
2015May 15Oct 23Apr 15Oct 27
2014Jun 17Sep 11May 12Oct 12
2013May 8Sep 27May 2Oct 11
2012Jun 7Oct 4May 7Oct 4
2011Jun 11Oct 8May 6Oct 8
2010May 31Sep 11May 26Oct 27
2009no dataSep 22no dataOct 2
2008Jun 8Sep 24May 11Oct 12
2007no dataSep 25no dataSep 25
1989no dataSep 13no dataOct 16
1988May 31no dataMay 3no data
1987Apr 22Sep 18Apr 21Oct 16
1986May 23Sep 19May 23Sep 29
1985May 16Sep 13Apr 27Sep 23
1984May 17Sep 22May 8Sep 25
1983May 20Sep 20May 15Sep 20
1982Jun 9Sep 14May 12Oct 6
1981Jun 14Sep 26May 7Oct 15
1980May 26Sep 22Apr 17Oct 16
1979Jun 9Oct 9May 30Oct 21
1978May 31Sep 14May 7Sep 19
1977May 29Sep 18May 24Oct 1
1976Jun 14Aug 27Apr 28Oct 6
1975May 26no dataMay 26no data
1974Jun 8Sep 12Apr 29Sep 13
1973Jun 18Sep 3May 2Oct 10
1972no dataSep 21no dataSep 21
1971May 22Sep 13Apr 30Sep 17
1970Jun 1Sep 14May 11Sep 15
1969Apr 30no dataApr 26no data
1968May 19Sep 21May 16Sep 21
1967May 15no dataMay 14no data
1966May 24Oct 10May 12Oct 14
1965May 13Sep 16May 11Sep 16
1964Jun 8Sep 21May 7Sep 27
1963May 13no dataMay 13no data
1962Jun 16Aug 31Jun 7Sep 9
1961May 17Sep 14May 6Sep 22
1959May 21Sep 22May 21Sep 29
1958May 2Sep 21Apr 30Sep 25
1957May 21no dataApr 28no data
1956no dataSep 22no dataOct 14
1955Jun 2Oct 5May 4Oct 5
1954no dataSep 30no dataSep 30
1953Jun 25no dataMay 13no data
1952no dataSep 15no dataOct 14

"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.