Last Frost Day

Frost history / Santa Rosa 3 Wnw, TX

Santa Rosa 3 Wnw, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00418059, 1987 to 2023, measured from daily minimum temperatures.

Elevation 50 ft, 26.266, -97.871. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJan 28Dec 16
EarliestJan 4 (2002)Oct 31 (1993)
LatestMar 8 (1989)Dec 27 (2010)
Trend3.8 days earlier per decade6.3 days later per decade
Years with data27, 17 with no freeze29, 19 with no freeze

At 28°F (hard freeze) the median last spring date is Jan 10 and the median first fall date is Dec 23.

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)

Dec 16Dec 31Jan 15Jan 30Feb 14Mar 1Mar 1619902000201020201988: Feb 121989: Mar 81996: Feb 51997: Jan 152001: Jan 212002: Jan 42010: Jan 102017: Jan 92021: Feb 212022: Feb 5

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26Jan 1019902000201020201989: Dec 131990: Dec 81993: Oct 311996: Dec 191997: Dec 142004: Dec 252009: Dec 52010: Dec 272019: Dec 192022: Dec 23

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
2023nonenonenonenone
2022Feb 5Dec 23noneDec 23
2021Feb 21noneFeb 16none
2020no datanoneno datanone
2019no dataDec 19no datanone
2017Jan 9no datanoneno data
2016nonenonenonenone
2010Jan 10Dec 27Jan 10none
2009noneDec 5nonenone
2008nonenonenonenone
2007nonenonenonenone
2006no datanoneno datanone
2005noneno datanoneno data
2004noneDec 25noneDec 25
2003nonenonenonenone
2002Jan 4noneJan 4none
2001Jan 21nonenonenone
2000nonenonenonenone
1999nonenonenonenone
1998nonenonenonenone
1997Jan 15Dec 14nonenone
1996Feb 5Dec 19noneDec 19
1995nonenonenonenone
1994nonenonenonenone
1993noneOct 31nonenone
1992nonenonenonenone
1991nonenonenonenone
1990noneDec 8noneDec 24
1989Mar 8Dec 13noneDec 22
1988Feb 12nonenonenone
1987no datanoneno datanone

"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.