Last Frost Day

Frost history / Newkirk 8E Mesonet, OK

Newkirk 8E Mesonet, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00346282, 2009 to 2025, measured from daily minimum temperatures.

Elevation 1,200 ft, 36.898, -96.910. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 8Oct 27
EarliestMar 6 (2015)Oct 7 (2012)
LatestMay 3 (2013)Nov 21 (2015)
Trend8.2 days later per decade2.5 days earlier per decade
Years with data1616

At 28°F (hard freeze) the median last spring date is Mar 25 and the median first fall date is Nov 7.

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 30May 15201020202010: Apr 82011: Mar 312012: Mar 92013: May 32014: Apr 152015: Mar 62016: Apr 22017: Mar 152018: Apr 192019: Mar 312020: Apr 182021: Apr 212022: Apr 142023: Apr 232024: Mar 282025: Apr 7

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26201020202009: Nov 182010: Oct 282011: Oct 202012: Oct 72013: Oct 192014: Oct 312015: Nov 212016: Nov 122017: Oct 272018: Oct 152020: Oct 262021: Nov 122022: Oct 172023: Oct 292024: Oct 162025: Nov 2

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 7Nov 2Mar 16Nov 9
2024Mar 28Oct 16Mar 27Nov 25
2023Apr 23Oct 29Mar 27Oct 30
2022Apr 14Oct 17Mar 12Oct 18
2021Apr 21Nov 12Apr 21Nov 13
2020Apr 18Oct 26Mar 21Oct 26
2019Mar 31no dataMar 31no data
2018Apr 19Oct 15Apr 16Nov 9
2017Mar 15Oct 27Mar 15Oct 27
2016Apr 2Nov 12Apr 2Nov 19
2015Mar 6Nov 21Mar 6Nov 21
2014Apr 15Oct 31Apr 15Oct 31
2013May 3Oct 19Apr 24Nov 12
2012Mar 9Oct 7Mar 3Oct 27
2011Mar 31Oct 20Mar 24Nov 4
2010Apr 8Oct 28Mar 22Nov 5
2009no dataNov 18no dataNov 26

"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.