Last Frost Day

Frost history / Monticello Muni Ap, AR

Monticello Muni Ap, AR: frost dates by year

Last spring and first fall frost at NOAA station USW00053919, 1951 to 2024, measured from daily minimum temperatures.

Elevation 290 ft, 33.636, -91.756. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 31Nov 3
EarliestFeb 10 (2005)Oct 1 (1984)
LatestApr 19 (1983)Dec 3 (1985)
Trend2.6 days earlier per decade2.5 days later per decade
Years with data6365

At 28°F (hard freeze) the median last spring date is Mar 10 and the median first fall date is Nov 14.

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)

Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 3019601970198019902000201020201954: Apr 21956: Apr 191957: Apr 91958: Mar 201960: Mar 211961: Apr 161962: Apr 31964: Apr 91965: Mar 221966: Mar 251968: Mar 241969: Mar 271970: Mar 271971: Apr 71972: Apr 91973: Apr 111974: Apr 61975: Apr 41976: Mar 171977: Mar 71978: Mar 281979: Apr 51980: Apr 151981: Mar 201982: Apr 111983: Apr 191984: Mar 111985: Apr 91986: Mar 221987: Apr 51989: Apr 121991: Mar 311992: Apr 31993: Mar 151994: Apr 81995: Apr 21996: Apr 81997: Apr 141998: Mar 221999: Mar 272001: Mar 182002: Mar 312003: Apr 112005: Feb 102006: Feb 202007: Apr 82008: Apr 152009: Apr 72010: Mar 52011: Mar 112012: Feb 202013: Mar 272014: Mar 262015: Mar 72016: Mar 212017: Mar 152018: Apr 82019: Apr 12020: Feb 272021: Apr 22022: Mar 132023: Mar 202024: Mar 19

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 31953: Oct 291955: Oct 251957: Oct 271959: Oct 191960: Oct 211961: Oct 201962: Nov 51963: Nov 21964: Oct 201965: Oct 251966: Nov 31968: Oct 251969: Nov 51970: Nov 31971: Nov 81973: Nov 111974: Nov 151975: Nov 131976: Oct 181977: Oct 121978: Oct 71979: Oct 101980: Nov 191981: Oct 241982: Oct 241983: Nov 121984: Oct 11985: Dec 31986: Nov 131987: Oct 131989: Oct 211990: Oct 121991: Nov 21992: Nov 61993: Oct 311994: Nov 301995: Nov 41996: Nov 31997: Oct 281998: Nov 61999: Nov 32000: Oct 102001: Oct 282003: Nov 242005: Nov 172006: Nov 122007: Nov 72008: Oct 282009: Nov 272010: Nov 62011: Nov 172012: Nov 122013: Nov 132014: Nov 22015: Nov 222016: Nov 202017: Oct 292018: Nov 102019: Nov 12020: Nov 302021: Nov 52022: Oct 192023: Nov 12024: Nov 29

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
2024Mar 19Nov 29Feb 18Dec 6
2023Mar 20Nov 1Feb 18none
2022Mar 13Oct 19Mar 12Nov 13
2021Apr 2Nov 5Feb 21none
2020Feb 27Nov 30Feb 22Dec 1
2019Apr 1Nov 1Mar 5Nov 12
2018Apr 8Nov 10Feb 8Nov 14
2017Mar 15Oct 29Feb 4Nov 23
2016Mar 21Nov 20Feb 10Dec 9
2015Mar 7Nov 22Mar 7Nov 23
2014Mar 26Nov 2Mar 7Nov 13
2013Mar 27Nov 13Mar 3Nov 14
2012Feb 20Nov 12Feb 13Dec 11
2011Mar 11Nov 17Feb 11Nov 18
2010Mar 5Nov 6Mar 4Dec 6
2009Apr 7Nov 27Mar 3Dec 4
2008Apr 15Oct 28Mar 9Nov 21
2007Apr 8Nov 7Mar 4Dec 4
2006Feb 20Nov 12Feb 20Nov 21
2005Feb 10Nov 17Jan 25Nov 30
2003Apr 11Nov 24Feb 26Nov 24
2002Mar 31no dataMar 23no data
2001Mar 18Oct 28Feb 18Nov 21
2000no dataOct 10no dataNov 14
1999Mar 27Nov 3Mar 18Dec 16
1998Mar 22Nov 6Mar 13Nov 6
1997Apr 14Oct 28Feb 17Nov 16
1996Apr 8Nov 3Mar 21Nov 27
1995Apr 2Nov 4Mar 10Nov 4
1994Apr 8Nov 30Mar 29Nov 30
1993Mar 15Oct 31Mar 15Oct 31
1992Apr 3Nov 6Apr 3Nov 6
1991Mar 31Nov 2Mar 30Nov 4
1990no dataOct 12no dataNov 30
1989Apr 12Oct 21Apr 11Nov 17
1987Apr 5Oct 13Apr 5Nov 11
1986Mar 22Nov 13Mar 22Nov 13
1985Apr 9Dec 3Mar 18Dec 3
1984Mar 11Oct 1Mar 9Nov 12
1983Apr 19Nov 12Mar 22Nov 12
1982Apr 11Oct 24Mar 26Oct 25
1981Mar 20Oct 24Feb 15Nov 21
1980Apr 15Nov 19Mar 18Dec 20
1979Apr 5Oct 10Mar 11Nov 14
1978Mar 28Oct 7Mar 28Oct 18
1977Mar 7Oct 12Mar 2Nov 11
1976Mar 17Oct 18Feb 22Oct 21
1975Apr 4Nov 13Apr 4Nov 14
1974Apr 6Nov 15Feb 27Nov 15
1973Apr 11Nov 11Feb 22Dec 7
1972Apr 9no dataMar 3no data
1971Apr 7Nov 8Apr 7none
1970Mar 27Nov 3Mar 15Nov 16
1969Mar 27Nov 5Mar 12Nov 15
1968Mar 24Oct 25Mar 13Nov 12
1966Mar 25Nov 3Mar 25Nov 3
1965Mar 22Oct 25Mar 21Nov 30
1964Apr 9Oct 20Mar 22Nov 21
1963no dataNov 2no dataNov 2
1962Apr 3Nov 5Mar 16Nov 9
1961Apr 16Oct 20Feb 11Nov 9
1960Mar 21Oct 21Mar 21Nov 11
1959no dataOct 19no dataNov 6
1958Mar 20no dataMar 15no data
1957Apr 9Oct 27Mar 8Oct 27
1956Apr 19no dataMar 20no data
1955no dataOct 25no dataNov 4
1954Apr 2no dataMar 16no data
1953no dataOct 29no dataNov 9
1951no dataNov 3no dataNov 3

"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.