Frost history / Cedar City, UT
Cedar City, UT: frost dates by year
Last spring and first fall frost at NOAA station USC00421259, 2000 to 2025, measured from daily minimum temperatures.
Elevation 6,090 ft, 37.666, -113.084. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 5 | Oct 10 |
| Earliest | Apr 18 (2020) | Sep 17 (2006) |
| Latest | Jun 5 (2008) | Nov 4 (2015) |
| Trend | 6.2 days earlier per decade | 7.3 days later per decade |
| Years with data | 21 | 25 |
At 28°F (hard freeze) the median last spring date is Apr 19 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 29 | Oct 17 | Apr 20 | Oct 28 |
| 2024 | May 10 | Oct 18 | Apr 10 | Nov 4 |
| 2023 | Apr 27 | Oct 13 | Apr 21 | Oct 29 |
| 2022 | Apr 26 | Oct 23 | Apr 25 | Oct 24 |
| 2021 | Apr 28 | Oct 12 | Apr 18 | Oct 13 |
| 2020 | Apr 18 | Oct 23 | Apr 15 | Oct 23 |
| 2019 | May 28 | Oct 1 | Apr 14 | Oct 10 |
| 2018 | Apr 21 | Oct 15 | Apr 19 | Oct 15 |
| 2017 | May 19 | Sep 24 | May 18 | Oct 15 |
| 2016 | May 1 | Oct 6 | Apr 2 | Nov 17 |
| 2015 | May 9 | Nov 4 | Apr 17 | Nov 5 |
| 2014 | May 14 | Oct 2 | Apr 7 | Nov 3 |
| 2013 | May 3 | Sep 27 | May 3 | Oct 5 |
| 2012 | May 7 | Oct 25 | Apr 15 | Oct 25 |
| 2011 | Jun 4 | Oct 6 | Jun 4 | Oct 7 |
| 2010 | May 24 | Oct 26 | May 8 | Oct 27 |
| 2009 | Apr 29 | Oct 2 | Apr 29 | Oct 6 |
| 2008 | Jun 5 | Oct 11 | May 3 | Oct 12 |
| 2007 | no data | Sep 26 | no data | Sep 30 |
| 2006 | Apr 24 | Sep 17 | Apr 24 | Oct 18 |
| 2005 | May 12 | Oct 5 | Apr 12 | Oct 5 |
| 2004 | no data | Sep 22 | no data | Oct 30 |
| 2003 | no data | Oct 11 | no data | Nov 4 |
| 2001 | May 5 | Oct 10 | Apr 15 | Oct 24 |
| 2000 | no data | Sep 24 | no data | Sep 24 |
"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.