Last Frost Day

Frost history / Ogdensburg 4 Ne, NY

Ogdensburg 4 Ne, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00306164, 1951 to 2023, measured from daily minimum temperatures.

Elevation 280 ft, 44.728, -75.444. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 4Oct 7
EarliestApr 5 (1993)Sep 10 (1973)
LatestMay 30 (2019)Oct 24 (2021)
Trend1.5 days earlier per decade1.2 days later per decade
Years with data5754

At 28°F (hard freeze) the median last spring date is Apr 21 and the median first fall date is Oct 15.

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 1419601970198019902000201020201951: Apr 211952: May 51953: May 21954: May 271955: Apr 91956: May 241957: May 171958: May 241959: Apr 291960: Apr 191962: May 121963: May 241964: May 211965: May 51966: May 111967: May 241968: May 81969: May 271970: May 81971: May 241972: May 121973: May 151974: May 171975: Apr 281976: May 51977: May 41978: May 41979: Apr 201980: Apr 231981: May 201982: Apr 301983: May 181984: May 31985: May 91986: May 41988: Apr 211989: Apr 261990: May 31991: Apr 191992: Apr 151993: Apr 51994: Apr 281995: May 82008: Apr 142010: Apr 282011: Apr 222012: Apr 302013: Apr 222014: Apr 252015: Apr 252016: May 102017: May 92018: Apr 232019: May 302020: May 102021: Apr 302023: May 18

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 301952: Oct 111953: Oct 81954: Oct 71955: Oct 221956: Oct 111957: Sep 271960: Oct 11961: Oct 41962: Oct 221963: Sep 131964: Sep 291965: Sep 281966: Oct 181967: Sep 301968: Oct 61969: Oct 51970: Oct 171971: Oct 131972: Oct 11973: Sep 101974: Sep 241975: Oct 31976: Oct 121977: Oct 81978: Sep 261979: Sep 201980: Sep 241981: Sep 301982: Oct 111984: Sep 271985: Oct 121986: Oct 71987: Oct 121988: Oct 71989: Sep 271990: Oct 201991: Sep 201992: Sep 231993: Oct 41994: Oct 112008: Oct 182009: Oct 112010: Oct 192011: Sep 172012: Oct 132013: Oct 242014: Oct 202015: Oct 172016: Oct 142017: Oct 172018: Sep 282021: Oct 242022: Oct 3

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
2023May 18no dataApr 8no data
2022no dataOct 3no dataOct 27
2021Apr 30Oct 24Apr 21Nov 4
2020May 10no dataMay 9no data
2019May 30no dataApr 29no data
2018Apr 23Sep 28Apr 22Oct 31
2017May 9Oct 17Apr 3Nov 10
2016May 10Oct 14Apr 27Nov 1
2015Apr 25Oct 17Apr 8Oct 17
2014Apr 25Oct 20Apr 18Nov 14
2013Apr 22Oct 24Apr 22Oct 29
2012Apr 30Oct 13Apr 30Oct 13
2011Apr 22Sep 17Apr 22Sep 17
2010Apr 28Oct 19Mar 28Nov 2
2009no dataOct 11no dataOct 18
2008Apr 14Oct 18Apr 3Oct 30
1995May 8no dataApr 25no data
1994Apr 28Oct 11Apr 2Oct 17
1993Apr 5Oct 4Mar 27Oct 10
1992Apr 15Sep 23Apr 15Oct 6
1991Apr 19Sep 20Apr 12Sep 30
1990May 3Oct 20Apr 19Oct 20
1989Apr 26Sep 27Apr 23Oct 10
1988Apr 21Oct 7Mar 29Oct 7
1987no dataOct 12no dataOct 12
1986May 4Oct 7May 2Oct 7
1985May 9Oct 12Apr 17Oct 21
1984May 3Sep 27Apr 21Sep 27
1983May 18no dataApr 19no data
1982Apr 30Oct 11Apr 30Oct 25
1981May 20Sep 30May 18Oct 1
1980Apr 23Sep 24Apr 19Sep 29
1979Apr 20Sep 20Apr 20Oct 16
1978May 4Sep 26Apr 30Sep 26
1977May 4Oct 8Apr 29Oct 14
1976May 5Oct 12Apr 13Oct 19
1975Apr 28Oct 3Apr 28Oct 3
1974May 17Sep 24May 5Oct 2
1973May 15Sep 10Apr 15Sep 21
1972May 12Oct 1May 8Oct 10
1971May 24Oct 13Apr 26Nov 5
1970May 8Oct 17Apr 13Oct 19
1969May 27Oct 5May 1Oct 23
1968May 8Oct 6May 7Nov 1
1967May 24Sep 30May 6Oct 30
1966May 11Oct 18May 10Oct 26
1965May 5Sep 28Apr 25Sep 28
1964May 21Sep 29Apr 11Oct 7
1963May 24Sep 13Apr 26Sep 23
1962May 12Oct 22May 8Oct 22
1961no dataOct 4no dataOct 5
1960Apr 19Oct 1Apr 10Oct 26
1959Apr 29no dataApr 21no data
1958May 24no dataMay 24no data
1957May 17Sep 27Apr 15Oct 12
1956May 24Oct 11May 8Oct 11
1955Apr 9Oct 22Apr 9Nov 10
1954May 27Oct 7Apr 9Nov 13
1953May 2Oct 8Apr 19Oct 8
1952May 5Oct 11Apr 25Oct 11
1951Apr 21Sep 30Mar 27Oct 13

"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.