Durand, WI: frost dates by year

Last spring and first fall frost at NOAA station USC00472279, 2007 to 2025, measured from daily minimum temperatures.

Elevation 705 ft, 44.620, -91.979. Download the data (JSON) · NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 3	Oct 11
Earliest	Apr 12 (2017)	Sep 15 (2007)
Latest	Jun 1 (2015)	Oct 28 (2023)
Trend	1.4 days earlier per decade	15.2 days later per decade
Years with data	18	18

At 28°F (hard freeze) the median last spring date is Apr 21 and the median first fall date is Oct 23.

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 27	Oct 23	Apr 21	Oct 24
2024	Apr 25	no data	Apr 7	no data
2023	May 3	Oct 28	Apr 26	Oct 30
2022	May 4	Oct 8	Apr 27	Oct 18
2021	May 12	Oct 22	Apr 26	Nov 3
2020	May 12	Oct 4	May 9	Oct 19
2019	May 3	Oct 25	Apr 16	Oct 25
2018	Apr 30	Oct 12	Apr 29	Oct 18
2017	Apr 12	Oct 28	Apr 7	Oct 29
2016	May 16	Oct 10	Apr 13	Nov 12
2015	Jun 1	Oct 17	Apr 23	Oct 17
2014	Apr 23	Oct 9	Apr 20	Nov 1
2013	May 13	Oct 20	Apr 24	Oct 22
2012	Apr 28	Sep 23	Apr 12	Oct 7
2011	May 4	Sep 15	Apr 21	Oct 21
2010	May 9	Oct 22	Apr 10	Oct 29
2009	Apr 28	Sep 30	Apr 13	Oct 10
2008	Apr 30	Oct 5	Apr 29	Oct 21
2007	no data	Sep 15	no data	Oct 28

"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 1991–2020 frost probabilities.