Last Frost Day

Frost history / Austin 33 Nw, TX

Austin 33 Nw, TX: frost dates by year

Last spring and first fall frost at NOAA station USW00023907, 2008 to 2024, measured from daily minimum temperatures.

Elevation 1,361 ft, 30.622, -98.085. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianFeb 22Dec 4
EarliestJan 8 (2017)Oct 31 (2019)
LatestMar 25 (2013)Dec 29 (2023)
Trend1.7 days earlier per decade3.2 days earlier per decade
Years with data1617, 2 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 12 and the median first fall date is Dec 8.

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 31201020202009: Mar 12010: Feb 242011: Feb 112012: Feb 122013: Mar 252014: Mar 42015: Mar 62016: Jan 232017: Jan 82018: Feb 122019: Mar 62020: Feb 272021: Feb 202022: Mar 122023: Feb 172024: Feb 18

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26Jan 10201020202008: Dec 42009: Dec 32010: Dec 62011: Dec 52012: Dec 112013: Nov 132014: Nov 122015: Dec 182016: Dec 82017: Dec 72018: Nov 132019: Oct 312020: Nov 302022: Nov 152023: Dec 29

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
2024Feb 18noneJan 20none
2023Feb 17Dec 29Feb 1none
2022Mar 12Nov 15Mar 12Dec 22
2021Feb 20noneFeb 19none
2020Feb 27Nov 30Feb 6none
2019Mar 6Oct 31Mar 5Nov 11
2018Feb 12Nov 13Feb 12Nov 14
2017Jan 8Dec 7Jan 8Dec 8
2016Jan 23Dec 8noneDec 17
2015Mar 6Dec 18Mar 6none
2014Mar 4Nov 12Mar 4Nov 17
2013Mar 25Nov 13Jan 16Dec 5
2012Feb 12Dec 11Feb 12Dec 25
2011Feb 11Dec 5Feb 11Dec 7
2010Feb 24Dec 6Feb 15Dec 26
2009Mar 1Dec 3Jan 29Dec 4
2008no dataDec 4no dataDec 10

"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.