Frost history / Cassville, MO
Cassville, MO: frost dates by year
Last spring and first fall frost at NOAA station USC00231383, 1963 to 2025, measured from daily minimum temperatures.
Elevation 1,376 ft, 36.688, -93.869. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 20 | Oct 12 |
| Earliest | Mar 29 (2010) | Sep 18 (1981) |
| Latest | May 17 (1973) | Nov 4 (2021) |
| Trend | 1.7 days earlier per decade | 2.4 days later per decade |
| Years with data | 32 | 35 |
At 28°F (hard freeze) the median last spring date is Apr 10 and the median first fall date is Oct 25.
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 16 | Oct 31 | Apr 8 | Nov 2 |
| 2024 | Apr 23 | Oct 16 | Apr 5 | Oct 16 |
| 2023 | May 3 | Oct 30 | Apr 24 | Oct 30 |
| 2022 | Apr 19 | Oct 18 | Apr 9 | Oct 18 |
| 2021 | Apr 22 | Nov 4 | Apr 21 | Nov 4 |
| 2020 | Apr 18 | no data | Apr 18 | no data |
| 2019 | Apr 14 | Oct 12 | Apr 2 | Oct 31 |
| 2018 | Apr 20 | Oct 21 | Apr 16 | Nov 10 |
| 2017 | no data | Oct 25 | no data | Oct 28 |
| 2012 | Apr 21 | Oct 7 | Mar 10 | Oct 7 |
| 2011 | Apr 5 | Oct 19 | Apr 5 | Oct 21 |
| 2010 | Mar 29 | Oct 4 | Mar 29 | Oct 29 |
| 2009 | Apr 11 | Oct 9 | Apr 11 | Nov 26 |
| 2008 | no data | Oct 27 | no data | Oct 28 |
| 1987 | Apr 8 | Oct 3 | Apr 5 | Oct 3 |
| 1986 | Apr 22 | no data | Apr 22 | no data |
| 1985 | Apr 9 | Oct 1 | Apr 9 | Nov 4 |
| 1984 | Apr 18 | Sep 30 | Apr 18 | Oct 1 |
| 1983 | Apr 25 | Sep 21 | Apr 16 | Nov 16 |
| 1982 | no data | Oct 21 | no data | Oct 21 |
| 1981 | Apr 7 | Sep 18 | Apr 6 | Oct 23 |
| 1980 | May 9 | Oct 12 | Apr 5 | Oct 12 |
| 1979 | May 5 | Oct 5 | Apr 28 | Oct 5 |
| 1978 | Apr 26 | Oct 6 | Apr 21 | Oct 27 |
| 1977 | Apr 26 | Oct 12 | Mar 22 | Oct 13 |
| 1976 | no data | Oct 6 | no data | Oct 17 |
| 1975 | Apr 20 | Sep 26 | Apr 13 | Oct 19 |
| 1974 | Apr 18 | Oct 16 | Apr 17 | Nov 6 |
| 1973 | May 17 | no data | Apr 11 | no data |
| 1972 | Apr 8 | no data | Apr 5 | no data |
| 1971 | May 13 | Nov 3 | Apr 14 | Nov 3 |
| 1970 | May 2 | Oct 10 | Apr 3 | Oct 10 |
| 1969 | no data | Oct 14 | no data | Oct 28 |
| 1968 | Apr 24 | Oct 4 | Apr 5 | Oct 25 |
| 1967 | May 3 | Sep 28 | Mar 22 | Oct 28 |
| 1966 | no data | Oct 6 | no data | Oct 16 |
| 1965 | no data | Oct 12 | no data | Oct 12 |
| 1964 | Apr 10 | Oct 5 | Apr 10 | Oct 6 |
| 1963 | May 1 | Oct 29 | May 1 | Oct 29 |
"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.