Frost history / Myton, UT
Myton, UT: frost dates by year
Last spring and first fall frost at NOAA station USC00425969, 1951 to 2025, measured from daily minimum temperatures.
Elevation 5,085 ft, 40.194, -110.061. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 23 | Oct 3 |
| Earliest | Apr 24 (1992) | Sep 9 (1962) |
| Latest | Jun 30 (1968) | Oct 28 (1963) |
| Trend | 2.6 days earlier per decade | 1.9 days later per decade |
| Years with data | 37 | 38 |
At 28°F (hard freeze) the median last spring date is May 2 and the median first fall date is Oct 13.
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 | no data | Oct 18 | no data | Oct 23 |
| 2024 | May 25 | Oct 21 | Apr 11 | Oct 31 |
| 2023 | Apr 28 | no data | Apr 28 | no data |
| 2022 | May 23 | Oct 20 | May 23 | Oct 24 |
| 2021 | May 11 | Oct 12 | Apr 23 | Oct 15 |
| 2020 | Apr 25 | Sep 9 | Apr 19 | Oct 15 |
| 2012 | May 7 | Oct 4 | Apr 28 | Oct 7 |
| 2011 | May 31 | Oct 7 | May 2 | Oct 27 |
| 2010 | May 25 | Oct 20 | May 10 | Oct 28 |
| 2009 | May 9 | Sep 22 | Apr 27 | Oct 2 |
| 2008 | May 13 | Oct 12 | May 13 | Oct 13 |
| 2007 | May 24 | Sep 25 | Apr 19 | Sep 27 |
| 2006 | May 29 | Sep 18 | Apr 19 | Oct 19 |
| 2005 | Apr 30 | Oct 5 | Apr 16 | Oct 31 |
| 1992 | Apr 24 | no data | Apr 1 | no data |
| 1991 | Jun 1 | Sep 15 | Jun 1 | Oct 24 |
| 1990 | Jun 2 | Oct 8 | May 9 | Oct 9 |
| 1989 | May 12 | Oct 6 | Apr 30 | Oct 18 |
| 1988 | May 31 | Sep 19 | May 7 | Sep 29 |
| 1987 | May 3 | Oct 10 | Apr 21 | Oct 17 |
| 1986 | May 23 | Sep 29 | May 17 | Oct 12 |
| 1985 | May 14 | Sep 22 | Apr 27 | Sep 29 |
| 1984 | Jun 11 | Sep 25 | May 8 | Sep 25 |
| 1983 | May 15 | Sep 20 | May 15 | Sep 21 |
| 1982 | Jun 6 | Oct 2 | May 6 | Oct 6 |
| 1981 | May 13 | Oct 14 | May 13 | Oct 14 |
| 1980 | May 27 | Sep 22 | May 26 | Oct 16 |
| 1979 | Jun 9 | Oct 10 | May 12 | Oct 22 |
| 1978 | May 9 | Sep 19 | Apr 23 | Sep 19 |
| 1977 | May 29 | Sep 24 | Apr 20 | Oct 11 |
| 1976 | Jun 14 | Oct 6 | Jun 14 | Oct 6 |
| 1975 | no data | Sep 19 | no data | Oct 9 |
| 1971 | no data | Sep 15 | no data | Sep 18 |
| 1970 | no data | Sep 15 | no data | Sep 15 |
| 1969 | Apr 28 | Oct 3 | Apr 28 | Oct 5 |
| 1968 | Jun 30 | no data | May 7 | no data |
| 1964 | no data | Oct 12 | no data | Oct 12 |
| 1963 | May 12 | Oct 28 | Apr 24 | Nov 1 |
| 1962 | no data | Sep 9 | no data | Oct 20 |
| 1954 | Jun 7 | no data | May 28 | no data |
| 1953 | Jun 26 | no data | Jun 26 | no data |
| 1952 | May 9 | Oct 7 | Apr 16 | Oct 15 |
| 1951 | May 13 | Sep 12 | May 3 | Oct 15 |
"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.