Last Frost Day

Frost history / Rainbow, TX

Rainbow, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00417388, 2001 to 2025, measured from daily minimum temperatures.

Elevation 648 ft, 32.262, -97.706. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 5Nov 11
EarliestFeb 28 (2020)Oct 24 (2005)
LatestMay 4 (2013)Nov 25 (2004)
Trend2.9 days earlier per decade3.1 days earlier per decade
Years with data1918

At 28°F (hard freeze) the median last spring date is Mar 10 and the median first fall date is Nov 20.

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)

Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30May 15201020202001: Mar 202002: Mar 242003: Apr 112004: Apr 142005: Apr 22006: Mar 252007: Apr 172008: Apr 152010: Mar 232011: Apr 52012: Apr 212013: May 42014: Apr 162019: Mar 182020: Feb 282021: Apr 12022: Apr 92023: Mar 202025: Apr 8

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11201020202001: Nov 202002: Nov 132003: Nov 242004: Nov 252005: Oct 242007: Nov 162008: Oct 282009: Nov 182010: Nov 52011: Oct 292013: Nov 132014: Nov 92019: Oct 312020: Oct 302022: Nov 122023: Nov 12024: Nov 212025: Nov 10

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
2025Apr 8Nov 10Feb 22Nov 10
2024no dataNov 21no dataNov 30
2023Mar 20Nov 1Mar 20Nov 27
2022Apr 9Nov 12Mar 13Nov 13
2021Apr 1no dataFeb 22no data
2020Feb 28Oct 30Feb 28Dec 1
2019Mar 18Oct 31Mar 7Oct 31
2014Apr 16Nov 9Apr 16Nov 14
2013May 4Nov 13Mar 27Nov 13
2012Apr 21no dataFeb 25no data
2011Apr 5Oct 29Mar 6Nov 4
2010Mar 23Nov 5Mar 23Nov 27
2009no dataNov 18no dataNov 18
2008Apr 15Oct 28Mar 9Nov 16
2007Apr 17Nov 16Apr 16Dec 4
2006Mar 25no dataMar 24no data
2005Apr 2Oct 24Mar 17Oct 25
2004Apr 14Nov 25Feb 27Dec 1
2003Apr 11Nov 24Mar 30Nov 24
2002Mar 24Nov 13Mar 10Nov 28
2001Mar 20Nov 20Feb 19Nov 21

"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.