Last Frost Day

Frost history / Larned #2, KS

Larned #2, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00144531, 2009 to 2025, measured from daily minimum temperatures.

Elevation 2,030 ft, 38.192, -99.097. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 17Oct 22
EarliestApr 7 (2024)Oct 7 (2012)
LatestMay 5 (2013)Nov 13 (2021)
Trend3.7 days earlier per decade0.9 days later per decade
Years with data1316

At 28°F (hard freeze) the median last spring date is Apr 7 and the median first fall date is Nov 4.

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 31Apr 15Apr 30May 15201020202010: Apr 92011: Apr 172013: May 52014: May 22015: Apr 112016: Apr 132017: Apr 272018: Apr 202019: Apr 142020: Apr 182023: Apr 232024: Apr 72025: Apr 15

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26201020202009: Oct 102010: Nov 52011: Oct 202012: Oct 72013: Oct 192014: Nov 12015: Nov 132016: Nov 122017: Oct 272018: Oct 152019: Oct 112020: Oct 242021: Nov 132022: Oct 172023: Oct 72025: 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 15Oct 30Apr 7Nov 10
2024Apr 7no dataMar 27no data
2023Apr 23Oct 7Apr 23Oct 28
2022no dataOct 17no dataNov 11
2021no dataNov 13no dataNov 13
2020Apr 18Oct 24Apr 16Oct 24
2019Apr 14Oct 11Apr 13Oct 11
2018Apr 20Oct 15Apr 17Oct 15
2017Apr 27Oct 27Mar 16Oct 27
2016Apr 13Nov 12Apr 2Nov 12
2015Apr 11Nov 13Mar 27Nov 21
2014May 2Nov 1Apr 16Nov 11
2013May 5Oct 19Apr 25Nov 7
2012no dataOct 7no dataOct 27
2011Apr 17Oct 20Mar 25Nov 3
2010Apr 9Nov 5Mar 23Nov 6
2009no dataOct 10no dataOct 11

"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.