Topeka - Nws, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00148171, 2009 to 2025, measured from daily minimum temperatures.

Elevation 880 ft, 39.072, -95.630. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 10	Oct 18
Earliest	Mar 9 (2012)	Oct 7 (2012)
Latest	Apr 26 (2022)	Nov 10 (2016)
Trend	15.6 days later per decade	1.3 days later per decade
Years with data	14	15

At 28°F (hard freeze) the median last spring date is Apr 6 and the median first fall date is Oct 30.

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)

First fall frost (32°F)

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2025	Apr 8	Nov 1	Apr 8	Nov 2
2024	Apr 5	Oct 16	Apr 5	Oct 16
2023	Apr 23	Oct 17	Apr 6	Oct 30
2022	Apr 26	Oct 18	Apr 9	Oct 18
2021	Apr 22	Nov 2	Apr 22	Nov 13
2020	Apr 14	Oct 16	Apr 13	Oct 26
2019	Apr 13	Oct 11	Apr 13	Oct 12
2018	Apr 19	Oct 14	Apr 15	Oct 16
2017	Apr 7	Oct 27	Mar 15	Oct 28
2016	Apr 12	Nov 10	Apr 2	Nov 19
2015	Apr 4	Oct 29	Apr 4	Oct 30
2014	no data	Oct 31	no data	Oct 31
2012	Mar 9	Oct 7	Mar 9	Oct 7
2011	Apr 5	no data	Apr 5	no data
2010	Mar 29	Oct 29	Mar 22	Nov 5
2009	no data	Oct 10	no data	Nov 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.