Last Frost Day

Frost history / St Joseph Rosecrans Ap, MO

St Joseph Rosecrans Ap, MO: frost dates by year

Last spring and first fall frost at NOAA station USW00013993, 1951 to 2024, measured from daily minimum temperatures.

Elevation 818 ft, 39.774, -94.923. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 17Oct 13
EarliestMar 9 (2012)Sep 21 (1999)
LatestMay 21 (1968)Nov 5 (1998)
Trendlittle change (less than half a day per decade)little change (less than half a day per decade)
Years with data5048

At 28°F (hard freeze) the median last spring date is Apr 8 and the median first fall date is Oct 27.

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 1Mar 16Mar 31Apr 15Apr 30May 15May 3019601970198019902000201020201951: Apr 171952: Apr 151953: Apr 201954: May 41963: May 11964: Apr 91965: Apr 281966: May 21967: Apr 271968: May 211969: Apr 61970: Apr 91971: Apr 71972: Apr 81973: Apr 131974: Apr 171975: Apr 201976: May 31977: Apr 61978: Mar 271979: Apr 61980: Apr 131981: Apr 61997: Apr 171998: Apr 181999: Apr 182000: Apr 122001: Apr 182002: Apr 52003: Apr 102004: May 32005: May 32006: Apr 92007: Apr 152008: Apr 142009: Apr 142010: Apr 92012: Mar 92013: May 122014: Apr 182015: Apr 232016: Apr 132017: Apr 232018: Apr 262019: Apr 132020: Apr 172021: Apr 222022: Apr 262023: May 32024: Apr 5

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Oct 311952: Oct 61953: Oct 271963: Oct 291964: Oct 51965: Oct 121966: Oct 101967: Sep 281968: Oct 41969: Oct 141970: Oct 161971: Oct 91972: Sep 301973: Oct 291974: Sep 221975: Sep 241976: Oct 81977: Oct 131978: Oct 281979: Oct 101980: Oct 121997: Oct 261998: Nov 51999: Sep 212000: Oct 62001: Oct 62002: Oct 132003: Sep 292004: Oct 22005: Oct 82006: Oct 112007: Oct 232008: Oct 162009: Oct 92010: Oct 192012: Sep 232013: Oct 192014: Oct 292015: Oct 162016: Oct 132017: Oct 282018: Oct 142019: Oct 132020: Oct 22021: Oct 302022: Oct 72023: Oct 282024: Oct 14

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 5Oct 14Mar 27Oct 16
2023May 3Oct 28Apr 23Oct 30
2022Apr 26Oct 7Apr 26Oct 8
2021Apr 22Oct 30Apr 22Nov 3
2020Apr 17Oct 2Apr 14Oct 26
2019Apr 13Oct 13Mar 31Oct 31
2018Apr 26Oct 14Apr 19Nov 7
2017Apr 23Oct 28Mar 15Oct 28
2016Apr 13Oct 13Apr 12Nov 12
2015Apr 23Oct 16Apr 4Oct 30
2014Apr 18Oct 29Apr 15Oct 31
2013May 12Oct 19Apr 24Oct 23
2012Mar 9Sep 23Mar 9Oct 5
2010Apr 9Oct 19Mar 22Oct 29
2009Apr 14Oct 9Apr 11Oct 18
2008Apr 14Oct 16Apr 14Oct 27
2007Apr 15Oct 23Apr 9Oct 28
2006Apr 9Oct 11Mar 26Oct 13
2005May 3Oct 8Apr 2Oct 25
2004May 3Oct 2Apr 11Oct 2
2003Apr 10Sep 29Apr 10Nov 6
2002Apr 5Oct 13Apr 4Oct 31
2001Apr 18Oct 6Apr 1Oct 26
2000Apr 12Oct 6Apr 12Oct 7
1999Apr 18Sep 21Mar 26Oct 18
1998Apr 18Nov 5Mar 21Nov 6
1997Apr 17Oct 26Apr 17Oct 27
1981Apr 6no dataMar 23no data
1980Apr 13Oct 12Mar 18Oct 12
1979Apr 6Oct 10Apr 6Oct 13
1978Mar 27Oct 28Mar 26Nov 19
1977Apr 6Oct 13Mar 22Nov 11
1976May 3Oct 8Mar 16Oct 17
1975Apr 20Sep 24Apr 19Oct 25
1974Apr 17Sep 22Mar 25Oct 7
1973Apr 13Oct 29Apr 13Nov 5
1972Apr 8Sep 30Apr 4Oct 18
1971Apr 7Oct 9Apr 7Nov 6
1970Apr 9Oct 16Apr 2Nov 1
1969Apr 6Oct 14Mar 30Oct 14
1968May 21Oct 4Apr 9Oct 29
1967Apr 27Sep 28Apr 24Oct 19
1966May 2Oct 10Apr 21Oct 16
1965Apr 28Oct 12Apr 28Oct 24
1964Apr 9Oct 5Apr 9Oct 9
1963May 1Oct 29Mar 14Oct 29
1954May 4no dataApr 3no data
1953Apr 20Oct 27Apr 20Oct 29
1952Apr 15Oct 6Apr 10Oct 6
1951Apr 17Oct 31Apr 17Nov 1

"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.