Last Frost Day

Frost history / Conroe Montgomery Co Ap, TX

Conroe Montgomery Co Ap, TX: frost dates by year

Last spring and first fall frost at NOAA station USW00053902, 1997 to 2024, measured from daily minimum temperatures.

Elevation 245 ft, 30.357, -95.414. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 7Nov 16
EarliestJan 24 (2005)Oct 28 (2008)
LatestApr 20 (2013)Dec 16 (1998)
Trend3.2 days later per decade4.0 days earlier per decade
Years with data2828, 1 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 17 and the median first fall date is Dec 11.

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)

Jan 15Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 302000201020201997: Feb 151998: Mar 111999: Mar 152000: Feb 62001: Feb 102002: Mar 52003: Mar 302004: Feb 82005: Jan 242006: Mar 252007: Mar 62008: Mar 82009: Apr 72010: Mar 232011: Mar 112012: Feb 122013: Apr 202014: Mar 132015: Mar 72016: Mar 212017: Feb 162018: Jan 312019: Apr 22020: Feb 282021: Feb 202022: Mar 132023: Mar 202024: Feb 19

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 262000201020201997: Nov 161998: Dec 161999: Nov 32000: Nov 142001: Nov 212002: Nov 292003: Nov 242004: Dec 12005: Nov 172006: Nov 212007: Nov 272008: Oct 282009: Dec 42010: Nov 62011: Nov 32012: Nov 152013: Nov 132014: Nov 132015: Nov 222016: Nov 202017: Oct 282018: Nov 132019: Nov 12020: Nov 302022: Nov 132023: Nov 22024: Nov 30

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 19Nov 30Jan 20none
2023Mar 20Nov 2Feb 18Dec 11
2022Mar 13Nov 13Mar 13Dec 18
2021Feb 20noneFeb 20none
2020Feb 28Nov 30Feb 27Dec 1
2019Apr 2Nov 1Mar 6Nov 13
2018Jan 31Nov 13Jan 25Nov 14
2017Feb 16Oct 28Jan 8Dec 9
2016Mar 21Nov 20Feb 5Dec 19
2015Mar 7Nov 22Feb 26none
2014Mar 13Nov 13Mar 3none
2013Apr 20Nov 13Mar 3Nov 28
2012Feb 12Nov 15Jan 14Dec 11
2011Mar 11Nov 3Feb 13Nov 28
2010Mar 23Nov 6Feb 25Nov 27
2009Apr 7Dec 4Mar 2Dec 4
2008Mar 8Oct 28Feb 1Dec 12
2007Mar 6Nov 27Mar 5Dec 17
2006Mar 25Nov 21Feb 13Dec 5
2005Jan 24Nov 17noneDec 5
2004Feb 8Dec 1Feb 7Dec 14
2003Mar 30Nov 24Feb 17Dec 11
2002Mar 5Nov 29Mar 5none
2001Feb 10Nov 21Jan 21Dec 24
2000Feb 6Nov 14Feb 5Dec 17
1999Mar 15Nov 3Jan 10Dec 16
1998Mar 11Dec 16Mar 11Dec 26
1997Feb 15Nov 16Jan 30Dec 13

"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.