Pittsburg, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00146414, 1951 to 2025, measured from daily minimum temperatures.

Elevation 908 ft, 37.390, -94.703. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 10	Oct 29
Earliest	Mar 10 (2012)	Oct 7 (1952)
Latest	May 4 (1954)	Nov 22 (2015)
Trend	2.0 days earlier per decade	0.5 days later per decade
Years with data	21	21

At 28°F (hard freeze) the median last spring date is Mar 20 and the median first fall date is Nov 10.

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 9	Nov 2	Mar 7	Nov 10
2024	Mar 29	Oct 17	Mar 28	Nov 26
2023	Mar 30	Oct 30	Mar 20	Oct 31
2022	Apr 10	Oct 18	Mar 13	Oct 19
2021	Apr 23	Nov 13	Mar 3	Nov 13
2020	Apr 19	Oct 27	Feb 28	Nov 14
2019	Apr 2	Oct 12	Mar 17	Oct 31
2018	Apr 17	Nov 9	Apr 8	Nov 10
2017	Mar 16	Oct 28	Mar 16	Oct 28
2016	Apr 3	Nov 10	Feb 27	Nov 20
2015	Apr 5	Nov 22	Mar 7	Nov 22
2014	Apr 16	Nov 1	Mar 25	Nov 12
2013	Apr 25	Oct 25	Mar 27	Nov 12
2012	Mar 10	Oct 27	Feb 26	Nov 12
2011	Apr 1	Oct 20	Mar 11	Nov 17
1956	Apr 24	Oct 26	Apr 8	Nov 9
1955	Apr 8	Nov 3	Mar 28	Nov 3
1954	May 4	Oct 30	Apr 1	Nov 2
1953	Apr 20	Oct 29	Apr 20	Nov 6
1952	Apr 15	Oct 7	Apr 10	Oct 7
1951	Apr 17	Oct 31	Mar 24	Nov 1

"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.