Last Frost Day

Frost history / Austin Great Hills, TX

Austin Great Hills, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00410433, 2008 to 2025, measured from daily minimum temperatures.

Elevation 880 ft, 30.414, -97.766. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 1Nov 27
EarliestJan 9 (2017)Oct 31 (2019)
LatestMar 27 (2013)Dec 18 (2022)
Trend6.9 days earlier per decade12.9 days later per decade
Years with data1818, 1 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 15 and the median first fall date is Dec 5.

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 31Jan 15Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15201020202008: Mar 92009: Mar 32010: Feb 252011: Mar 72012: Feb 132013: Mar 272014: Mar 52015: Mar 72016: Mar 222017: Jan 92018: Feb 132019: Mar 72020: Feb 282021: Feb 212022: Mar 142023: Feb 192024: Feb 192025: Feb 23

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26201020202008: Nov 162009: Dec 52010: Nov 272011: Nov 42012: Dec 112013: Nov 132014: Nov 132015: Nov 232016: Nov 202017: Dec 82018: Nov 142019: Oct 312020: Dec 12021: Dec 122022: Dec 182023: Dec 112025: Dec 15

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
2025Feb 23Dec 15Feb 22none
2024Feb 19noneJan 21none
2023Feb 19Dec 11Feb 1none
2022Mar 14Dec 18Mar 13Dec 23
2021Feb 21Dec 12Feb 21none
2020Feb 28Dec 1Feb 27Dec 1
2019Mar 7Oct 31Mar 7Nov 1
2018Feb 13Nov 14Feb 13Nov 14
2017Jan 9Dec 8Jan 9Dec 8
2016Mar 22Nov 20Jan 24Dec 18
2015Mar 7Nov 23Mar 7none
2014Mar 5Nov 13Mar 4Nov 14
2013Mar 27Nov 13Jan 17Nov 28
2012Feb 13Dec 11Feb 13Dec 11
2011Mar 7Nov 4Feb 12Dec 7
2010Feb 25Nov 27Feb 17Nov 27
2009Mar 3Dec 5Jan 30Dec 5
2008Mar 9Nov 16Feb 27Dec 6

"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.