Last Frost Day

Frost history / Eden-Liberty, UT

Eden-Liberty, UT: frost dates by year

Last spring and first fall frost at NOAA station USC00422389, 2011 to 2025, measured from daily minimum temperatures.

Elevation 5,195 ft, 41.344, -111.850. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJun 9Oct 7
EarliestApr 27 (2023)Sep 20 (2017)
LatestJun 18 (2024)Oct 27 (2023)
Trend15.7 days earlier per decade12.8 days later per decade
Years with data1111

At 28°F (hard freeze) the median last spring date is May 2 and the median first fall date is Oct 15.

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)

Apr 15Apr 30May 15May 30Jun 14Jun 2920202011: Jun 172012: Jun 102017: May 202018: May 132019: Jun 92020: Jun 92021: Jun 112022: Jun 152023: Apr 272024: Jun 182025: Apr 29

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1120202011: Oct 92016: Oct 42017: Sep 202018: Sep 212019: Sep 302020: Oct 122021: Sep 202022: Oct 142023: Oct 272024: Oct 252025: Oct 7

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 29Oct 7Apr 22Oct 21
2024Jun 18Oct 25May 24Oct 30
2023Apr 27Oct 27Apr 23Oct 27
2022Jun 15Oct 14May 21Oct 24
2021Jun 11Sep 20May 9Oct 15
2020Jun 9Oct 12Apr 18Oct 12
2019Jun 9Sep 30May 2Oct 1
2018May 13Sep 21Apr 18Oct 14
2017May 20Sep 20May 18Oct 2
2016no dataOct 4no dataOct 6
2012Jun 10no dataApr 27no data
2011Jun 17Oct 9May 2Oct 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.