Last Frost Day

Frost history / Centrahoma 1E Mesonet, OK

Centrahoma 1E Mesonet, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00341644, 2009 to 2025, measured from daily minimum temperatures.

Elevation 682 ft, 34.609, -96.333. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 4Oct 30
EarliestMar 7 (2015)Oct 8 (2012)
LatestMay 3 (2011)Nov 21 (2024)
Trend1.5 days earlier per decade1.0 days later per decade
Years with data1617

At 28°F (hard freeze) the median last spring date is Mar 17 and the median first fall date is Nov 9.

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: Mar 292011: May 32012: Mar 102013: Apr 252014: Apr 152015: Mar 72016: Apr 22017: Mar 152018: Apr 162019: Mar 312020: Apr 182021: Apr 212022: Apr 92023: Mar 192024: Mar 282025: Apr 7

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26201020202009: Nov 182010: Oct 292011: Oct 192012: Oct 82013: Nov 72014: Oct 312015: Nov 132016: Nov 192017: Oct 272018: Nov 92019: Oct 122020: Oct 302021: Oct 302022: Oct 182023: Oct 302024: Nov 212025: 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 6Nov 9
2024Mar 28Nov 21Mar 19Nov 26
2023Mar 19Oct 30Mar 19Oct 30
2022Apr 9Oct 18Mar 24Oct 19
2021Apr 21Oct 30Apr 21Nov 13
2020Apr 18Oct 30Mar 6Nov 30
2019Mar 31Oct 12Mar 16Oct 31
2018Apr 16Nov 9Apr 8Nov 10
2017Mar 15Oct 27Mar 3Oct 27
2016Apr 2Nov 19Feb 26Nov 19
2015Mar 7Nov 13Mar 7Nov 21
2014Apr 15Oct 31Apr 15Nov 1
2013Apr 25Nov 7Mar 26Nov 12
2012Mar 10Oct 8Mar 4Oct 28
2011May 3Oct 19Apr 5Oct 20
2010Mar 29Oct 29Mar 4Nov 5
2009no dataNov 18no dataNov 25

"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.