Last Frost Day

Frost history / Johnson, KS

Johnson, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00144114, 1995 to 2025, measured from daily minimum temperatures.

Elevation 3,330 ft, 37.567, -101.751. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 18Oct 20
EarliestMar 21 (2012)Sep 21 (1995)
LatestMay 11 (2008)Nov 9 (2016)
Trend1.5 days earlier per decade3.0 days later per decade
Years with data3031

At 28°F (hard freeze) the median last spring date is Apr 11 and the median first fall date is Oct 27.

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 16Mar 31Apr 15Apr 30May 15May 302000201020201996: Apr 301997: May 41998: Apr 231999: Apr 262000: Apr 172001: Mar 282002: Apr 52003: Apr 112004: Apr 142005: Apr 302006: Apr 272007: Apr 152008: May 112009: Apr 112010: Apr 92011: Apr 172012: Mar 212013: May 42014: May 22015: Apr 102016: Apr 22017: May 12018: Apr 242019: Apr 202020: Apr 182021: Apr 252022: Apr 182023: Apr 212024: Apr 112025: Apr 8

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 262000201020201995: Sep 211996: Oct 181997: Oct 251998: Nov 51999: Oct 42000: Sep 252001: Oct 132002: Oct 172003: Oct 262004: Oct 312005: Oct 242006: Oct 192007: Nov 12008: Oct 242009: Oct 102010: Oct 282011: Oct 272012: Oct 262013: Oct 182014: Nov 52015: Nov 72016: Nov 92017: Oct 232018: Oct 152019: Oct 112020: Oct 172021: Oct 162022: Oct 182023: Oct 152024: Oct 312025: Oct 20

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 8Oct 20Apr 7Nov 10
2024Apr 11Oct 31Mar 27Nov 15
2023Apr 21Oct 15Apr 7Oct 16
2022Apr 18Oct 18Apr 16Nov 5
2021Apr 25Oct 16Apr 21Oct 17
2020Apr 18Oct 17Apr 17Oct 24
2019Apr 20Oct 11Apr 15Oct 11
2018Apr 24Oct 15Apr 19Oct 15
2017May 1Oct 23Mar 16Oct 27
2016Apr 2Nov 9Apr 2Nov 9
2015Apr 10Nov 7Apr 10Nov 13
2014May 2Nov 5Apr 15Nov 11
2013May 4Oct 18May 3Nov 6
2012Mar 21Oct 26Mar 20Oct 27
2011Apr 17Oct 27Mar 31Oct 28
2010Apr 9Oct 28Apr 3Oct 28
2009Apr 11Oct 10Apr 7Oct 10
2008May 11Oct 24Mar 30Oct 24
2007Apr 15Nov 1Apr 15Nov 6
2006Apr 27Oct 19Apr 27Oct 31
2005Apr 30Oct 24Apr 12Oct 24
2004Apr 14Oct 31Apr 14Nov 3
2003Apr 11Oct 26Apr 10Oct 26
2002Apr 5Oct 17Apr 5Oct 24
2001Mar 28Oct 13Mar 27Oct 26
2000Apr 17Sep 25Apr 17Nov 7
1999Apr 26Oct 4Apr 18Oct 19
1998Apr 23Nov 5Apr 17Nov 10
1997May 4Oct 25Apr 15Oct 26
1996Apr 30Oct 18Apr 6Oct 19
1995no dataSep 21no dataOct 20

"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.