Frost history / Saint Charles, AR
Saint Charles, AR: frost dates by year
Last spring and first fall frost at NOAA station USC00036376, 1951 to 2025, measured from daily minimum temperatures.
Elevation 200 ft, 34.370, -91.124. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 19 | Nov 6 |
| Earliest | Feb 8 (1976) | Oct 21 (1952) |
| Latest | Apr 15 (1980) | Nov 30 (2020) |
| Trend | 1.7 days earlier per decade | 1.9 days later per decade |
| Years with data | 49 | 44 |
At 28°F (hard freeze) the median last spring date is Mar 4 and the median first fall date is Nov 18.
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 | Mar 6 | no data | Feb 21 | no data |
| 2024 | Mar 20 | Nov 28 | Feb 18 | Nov 29 |
| 2023 | no data | Oct 31 | no data | Nov 27 |
| 2021 | Feb 21 | Nov 13 | Feb 20 | none |
| 2020 | Feb 27 | Nov 30 | Feb 27 | Nov 30 |
| 2019 | no data | Oct 31 | no data | Nov 8 |
| 2017 | Mar 15 | Oct 28 | Mar 15 | Nov 22 |
| 2016 | Mar 21 | Nov 19 | Feb 11 | Dec 8 |
| 2015 | Mar 7 | Nov 21 | Mar 6 | Nov 22 |
| 2014 | Mar 27 | no data | Mar 7 | no data |
| 2013 | Mar 28 | Nov 14 | Mar 3 | Nov 14 |
| 2012 | Feb 12 | Nov 12 | Feb 12 | Nov 28 |
| 2011 | Mar 12 | Nov 11 | Feb 12 | none |
| 2010 | Mar 5 | Nov 6 | Mar 3 | Dec 5 |
| 2009 | no data | Nov 27 | no data | Dec 5 |
| 2003 | Mar 30 | no data | Feb 27 | no data |
| 1990 | Feb 25 | Nov 10 | Jan 13 | Nov 30 |
| 1987 | Apr 5 | no data | Mar 31 | no data |
| 1986 | Mar 22 | no data | Mar 22 | no data |
| 1985 | Feb 16 | no data | Feb 15 | no data |
| 1983 | Apr 2 | Nov 12 | Mar 22 | Nov 29 |
| 1982 | Mar 8 | no data | Feb 12 | no data |
| 1981 | Mar 9 | Oct 24 | Feb 14 | Nov 21 |
| 1980 | Apr 15 | Nov 19 | Mar 4 | Nov 20 |
| 1979 | no data | Nov 11 | no data | Nov 15 |
| 1978 | Mar 10 | no data | Mar 6 | no data |
| 1977 | Mar 7 | Nov 11 | Feb 21 | Nov 27 |
| 1976 | Feb 8 | Oct 21 | Feb 8 | Nov 5 |
| 1975 | Apr 3 | Nov 14 | Mar 15 | Nov 14 |
| 1974 | Mar 25 | Nov 15 | Mar 25 | Nov 15 |
| 1973 | Apr 11 | no data | Feb 23 | no data |
| 1972 | Mar 9 | Nov 23 | Mar 4 | Nov 23 |
| 1971 | Apr 7 | Nov 4 | Mar 9 | Nov 8 |
| 1970 | Mar 28 | Nov 16 | Mar 15 | Nov 16 |
| 1969 | Mar 14 | Nov 5 | Mar 12 | Nov 14 |
| 1968 | Mar 24 | Nov 9 | Mar 24 | Dec 9 |
| 1967 | Mar 19 | Nov 4 | Mar 8 | Nov 6 |
| 1966 | Apr 5 | Nov 3 | Mar 25 | Nov 3 |
| 1965 | Mar 27 | Oct 25 | Mar 21 | Nov 30 |
| 1964 | Mar 31 | Nov 20 | Mar 31 | Nov 21 |
| 1963 | Mar 6 | Nov 2 | Feb 28 | Nov 14 |
| 1962 | Mar 13 | Nov 4 | Mar 13 | Dec 7 |
| 1961 | Mar 10 | Oct 27 | Feb 9 | Nov 9 |
| 1960 | Mar 26 | Oct 21 | Mar 20 | Nov 10 |
| 1959 | Mar 17 | Nov 6 | Feb 22 | Nov 6 |
| 1958 | Mar 21 | Nov 7 | Feb 20 | Nov 29 |
| 1957 | Apr 13 | Oct 28 | Mar 8 | Dec 11 |
| 1956 | Mar 20 | Nov 9 | Feb 7 | Nov 9 |
| 1955 | Mar 29 | Oct 31 | Mar 28 | Nov 4 |
| 1954 | Mar 16 | Oct 30 | Mar 16 | Nov 3 |
| 1953 | Feb 23 | Nov 6 | Feb 22 | Nov 10 |
| 1952 | Mar 16 | Oct 21 | Jan 30 | Oct 29 |
| 1951 | Mar 19 | Nov 2 | Mar 14 | Nov 3 |
"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.