Frost history / Fremont Indian Sp, UT
Fremont Indian Sp, UT: frost dates by year
Last spring and first fall frost at NOAA station USC00423012, 1988 to 2025, measured from daily minimum temperatures.
Elevation 5,920 ft, 38.578, -112.335. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Jun 3 | Sep 19 |
| Earliest | May 10 (1992) | Aug 27 (1992) |
| Latest | Jun 30 (2020) | Oct 7 (1994) |
| Trend | 3.2 days earlier per decade | 1.7 days later per decade |
| Years with data | 33 | 32 |
At 28°F (hard freeze) the median last spring date is May 22 and the median first fall date is Oct 3.
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 | May 20 | Oct 6 | May 20 | Oct 6 |
| 2024 | May 26 | Sep 13 | May 24 | Oct 25 |
| 2023 | May 12 | Sep 24 | May 8 | Oct 3 |
| 2022 | Jun 1 | Sep 20 | Jun 1 | Oct 16 |
| 2021 | Jun 11 | Sep 21 | May 24 | Sep 21 |
| 2020 | Jun 30 | Sep 9 | Jun 9 | Sep 9 |
| 2019 | Jun 23 | Sep 12 | May 22 | Sep 30 |
| 2018 | May 16 | Sep 21 | May 13 | Oct 9 |
| 2017 | May 28 | Sep 25 | May 18 | Sep 25 |
| 2016 | May 27 | Sep 16 | May 22 | Oct 4 |
| 2015 | May 21 | Sep 19 | May 11 | Oct 27 |
| 2014 | Jun 18 | Oct 2 | May 13 | Oct 2 |
| 2013 | Jun 1 | Sep 23 | May 4 | Sep 27 |
| 2012 | Jun 10 | Oct 6 | May 27 | Oct 6 |
| 2011 | Jun 3 | Oct 5 | May 30 | Oct 6 |
| 2010 | Jun 16 | Sep 10 | May 23 | Sep 10 |
| 2009 | May 13 | Oct 1 | May 8 | Oct 1 |
| 2006 | May 31 | no data | May 29 | no data |
| 2005 | no data | Aug 31 | no data | Oct 5 |
| 2004 | May 31 | Sep 5 | May 1 | Sep 21 |
| 2003 | Jun 27 | no data | May 11 | no data |
| 2002 | Jun 11 | Sep 19 | Jun 10 | Oct 12 |
| 2001 | Jun 14 | Sep 9 | Jun 14 | Sep 9 |
| 2000 | Jun 11 | Sep 24 | May 13 | Sep 24 |
| 1999 | Jun 11 | no data | Jun 5 | no data |
| 1998 | May 27 | Oct 5 | May 23 | Oct 5 |
| 1996 | May 31 | Sep 16 | May 6 | Sep 17 |
| 1995 | Jun 18 | Sep 18 | Jun 16 | Sep 18 |
| 1994 | May 22 | Oct 7 | May 22 | Oct 9 |
| 1993 | Jun 25 | Sep 13 | May 10 | Sep 13 |
| 1992 | May 10 | Aug 27 | May 10 | Sep 26 |
| 1991 | Jun 28 | Sep 15 | May 19 | Oct 5 |
| 1990 | Jun 3 | Oct 3 | Jun 3 | Oct 8 |
| 1989 | Jun 22 | Sep 9 | May 26 | Oct 4 |
| 1988 | no data | Sep 12 | no data | Sep 19 |
"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.