Steuben 4 Se, WI: frost dates by year

Last spring and first fall frost at NOAA station USC00478164, 2011 to 2025, measured from daily minimum temperatures.

Elevation 1,015 ft, 43.134, -90.837. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 26	Oct 21
Earliest	Apr 12 (2012)	Oct 8 (2022)
Latest	May 9 (2020)	Nov 12 (2016)
Trend	7.5 days later per decade	3.7 days earlier per decade
Years with data	13	14

At 28°F (hard freeze) the median last spring date is Apr 9 and the median first fall date is Oct 29.

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 17	Oct 24	Apr 8	Oct 24
2024	no data	Oct 16	no data	Nov 21
2023	Apr 26	Oct 29	Apr 17	Oct 30
2022	Apr 28	Oct 8	Apr 19	Oct 14
2021	Apr 26	Oct 23	Apr 3	Nov 3
2020	May 9	Oct 19	Apr 17	Oct 26
2019	Apr 29	Oct 12	Apr 28	Oct 25
2018	Apr 30	Oct 13	Apr 20	Oct 21
2017	Apr 28	Oct 29	Mar 23	Oct 29
2016	Apr 13	Nov 12	Apr 9	Nov 20
2015	Apr 23	Oct 17	Mar 29	Oct 17
2014	Apr 16	Oct 31	Apr 16	Nov 1
2012	Apr 12	Oct 10	Mar 10	Oct 28
2011	Apr 21	Oct 28	Mar 31	Nov 4

"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.