Last Frost Day

Frost history / Lahoma 1WSW Mesonet, OK

Lahoma 1WSW Mesonet, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00344951, 2009 to 2025, measured from daily minimum temperatures.

Elevation 1,299 ft, 36.384, -98.111. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 11Oct 29
EarliestMar 9 (2012)Oct 12 (2019)
LatestApr 24 (2013)Nov 19 (2016)
Trend3.4 days later per decade7.6 days earlier per decade
Years with data1616

At 28°F (hard freeze) the median last spring date is Apr 4 and the median first fall date is Nov 10.

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)

Mar 1Mar 16Mar 31Apr 15Apr 30201020202010: Apr 82011: Apr 52012: Mar 92013: Apr 242014: Apr 182015: Apr 102016: Apr 22017: Mar 152018: Apr 192019: Apr 122020: Apr 182021: Apr 212022: Apr 142023: Apr 232024: Apr 42025: Mar 20

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26201020202009: Nov 182010: Nov 52011: Oct 282013: Oct 192014: Nov 12015: Nov 132016: Nov 192017: Oct 272018: Oct 152019: Oct 122020: Oct 232021: Nov 122022: Oct 192023: Oct 292024: Oct 162025: Nov 9

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
2025Mar 20Nov 9Mar 20Nov 9
2024Apr 4Oct 16Mar 28Nov 26
2023Apr 23Oct 29Apr 23Oct 31
2022Apr 14Oct 19Apr 14Oct 19
2021Apr 21Nov 12Apr 21Nov 18
2020Apr 18Oct 23Apr 15Oct 26
2019Apr 12Oct 12Mar 31Oct 28
2018Apr 19Oct 15Apr 16Nov 9
2017Mar 15Oct 27Mar 15Oct 28
2016Apr 2Nov 19Apr 2Nov 19
2015Apr 10Nov 13Mar 6Nov 21
2014Apr 18Nov 1Apr 15Nov 11
2013Apr 24Oct 19Apr 24Nov 12
2012Mar 9no dataMar 3no data
2011Apr 5Oct 28Apr 5Nov 4
2010Apr 8Nov 5Mar 22Nov 18
2009no dataNov 18no dataNov 18

"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.