Last Frost Day

Frost history / Newport Rose, RI

Newport Rose, RI: frost dates by year

Last spring and first fall frost at NOAA station USC00375215, 1958 to 2003, measured from daily minimum temperatures.

Elevation 15 ft, 41.500, -71.350. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 14Nov 7
EarliestMar 25 (1998)Oct 18 (1978)
LatestMay 19 (1991)Dec 12 (1998)
Trend0.8 days earlier per decade1.7 days later per decade
Years with data4243

At 28°F (hard freeze) the median last spring date is Apr 1 and the median first fall date is Nov 17.

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 16Mar 31Apr 15Apr 30May 15May 30196019701980199020001958: Apr 101959: Apr 141960: Apr 101961: Apr 201962: Apr 181964: May 31965: Apr 71966: Apr 171967: Apr 131968: Apr 121969: Apr 101970: Apr 111971: Apr 181973: Apr 141974: Apr 261975: Apr 221976: Apr 131977: Apr 111978: Apr 101979: Apr 211980: Apr 181981: May 191982: Apr 241983: May 81984: Apr 221985: May 41986: May 121987: May 11988: Apr 201990: Apr 191991: May 191993: Apr 61994: Apr 91995: Apr 71996: Apr 101997: Apr 111998: Mar 251999: Apr 52000: Apr 102001: Apr 52002: Apr 72003: Apr 18

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26196019701980199020001958: Nov 21959: Oct 291960: Nov 71961: Nov 101963: Nov 251964: Nov 11965: Nov 21966: Oct 271967: Nov 91968: Nov 211969: Oct 231970: Nov 241971: Nov 81972: Oct 201973: Nov 71974: Oct 191975: Nov 11976: Oct 271977: Nov 151978: Oct 181979: Oct 281980: Oct 231981: Nov 81982: Nov 111983: Nov 131984: Nov 81985: Oct 181986: Nov 51987: Nov 71988: Oct 311989: Nov 41990: Nov 61992: Nov 81993: Nov 21994: Nov 111995: Nov 91996: Nov 131997: Nov 171998: Dec 121999: Nov 82001: Nov 122002: Nov 22003: Nov 9

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
2003Apr 18Nov 9Apr 1Dec 3
2002Apr 7Nov 2Mar 24Nov 28
2001Apr 5Nov 12Mar 28Nov 13
2000Apr 10no dataMar 18no data
1999Apr 5Nov 8Mar 21Dec 1
1998Mar 25Dec 12Mar 14Dec 19
1997Apr 11Nov 17Apr 10Nov 17
1996Apr 10Nov 13Mar 28Nov 15
1995Apr 7Nov 9Apr 7Nov 30
1994Apr 9Nov 11Mar 17Nov 24
1993Apr 6Nov 2Mar 20Nov 2
1992no dataNov 8no dataNov 9
1991May 19no dataMay 6no data
1990Apr 19Nov 6Apr 19Nov 13
1989no dataNov 4no dataNov 22
1988Apr 20Oct 31Apr 20Nov 24
1987May 1Nov 7Apr 1Nov 7
1986May 12Nov 5Apr 21Nov 13
1985May 4Oct 18May 4Nov 16
1984Apr 22Nov 8Apr 2Nov 14
1983May 8Nov 13Apr 23Nov 29
1982Apr 24Nov 11Apr 20Nov 11
1981May 19Nov 8Mar 29Nov 26
1980Apr 18Oct 23Mar 28Nov 3
1979Apr 21Oct 28Apr 8Oct 28
1978Apr 10Oct 18Apr 3Nov 26
1977Apr 11Nov 15Apr 9Nov 27
1976Apr 13Oct 27Apr 12Nov 9
1975Apr 22Nov 1Apr 4Dec 4
1974Apr 26Oct 19Apr 10Nov 23
1973Apr 14Nov 7Mar 21Nov 10
1972no dataOct 20no dataNov 16
1971Apr 18Nov 8Mar 27Nov 9
1970Apr 11Nov 24Mar 30Nov 24
1969Apr 10Oct 23Apr 1Oct 24
1968Apr 12Nov 21Mar 25Dec 1
1967Apr 13Nov 9Apr 12Nov 15
1966Apr 17Oct 27Mar 30Oct 31
1965Apr 7Nov 2Apr 1Nov 10
1964May 3Nov 1Apr 6Nov 22
1963no dataNov 25no dataDec 1
1962Apr 18no dataMar 20no data
1961Apr 20Nov 10Mar 22Nov 28
1960Apr 10Nov 7Mar 26Nov 8
1959Apr 14Oct 29Mar 29Nov 18
1958Apr 10Nov 2Mar 9Nov 28

"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 1991–2020 frost probabilities.