Last Frost Day

Frost history / Hinton 7W Mesonet, OK

Hinton 7W Mesonet, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00344130, 2009 to 2025, measured from daily minimum temperatures.

Elevation 1,617 ft, 35.484, -98.481. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 10Nov 1
EarliestMar 4 (2012)Oct 15 (2018)
LatestMay 3 (2013)Nov 20 (2024)
Trend10.2 days later per decade4.9 days earlier per decade
Years with data1617

At 28°F (hard freeze) the median last spring date is Mar 20 and the median first fall date is Nov 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)

Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30May 15201020202010: Apr 82011: Mar 152012: Mar 42013: May 32014: Apr 152015: Apr 42016: Apr 22017: Mar 152018: Apr 162019: Apr 122020: Apr 152021: Apr 212022: Apr 142023: Apr 232024: Mar 282025: Apr 7

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26201020202009: Nov 182010: Nov 52011: Nov 32012: Oct 262013: Nov 122014: Nov 12015: Nov 132016: Nov 182017: Oct 272018: Oct 152019: Oct 282020: Oct 242021: Nov 132022: Oct 192023: Oct 292024: Nov 202025: Oct 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
2025Apr 7Oct 30Mar 20Nov 9
2024Mar 28Nov 20Feb 28Nov 26
2023Apr 23Oct 29Mar 19Oct 31
2022Apr 14Oct 19Mar 12Nov 11
2021Apr 21Nov 13Apr 21Nov 22
2020Apr 15Oct 24Apr 3Oct 24
2019Apr 12Oct 28Mar 31Oct 29
2018Apr 16Oct 15Apr 15Nov 9
2017Mar 15Oct 27Mar 15Oct 28
2016Apr 2Nov 18Mar 20Nov 19
2015Apr 4Nov 13Mar 6Nov 21
2014Apr 15Nov 1Apr 15Nov 11
2013May 3Nov 12Apr 24Nov 12
2012Mar 4Oct 26Mar 3Oct 27
2011Mar 15Nov 3Mar 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 to 2020 frost probabilities.