Frost history / Ft Leonard Wood, MO
Ft Leonard Wood, MO: frost dates by year
Last spring and first fall frost at NOAA station USC00232981, 2008 to 2025, measured from daily minimum temperatures.
Elevation 1,123 ft, 37.748, -92.105. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 14 | Oct 28 |
| Earliest | Mar 16 (2017) | Oct 6 (2020) |
| Latest | May 5 (2013) | Nov 10 (2025) |
| Trend | 7.8 days later per decade | 4.0 days later per decade |
| Years with data | 16 | 16 |
At 28°F (hard freeze) the median last spring date is Mar 28 and the median first fall date is Oct 31.
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 18 | Nov 10 | Mar 21 | Nov 10 |
| 2024 | Apr 22 | Oct 17 | Mar 29 | Nov 23 |
| 2023 | Apr 24 | Oct 30 | Apr 24 | Oct 31 |
| 2022 | Apr 9 | no data | Apr 2 | no data |
| 2021 | no data | Nov 4 | no data | Nov 5 |
| 2020 | Apr 19 | Oct 6 | Apr 19 | Oct 16 |
| 2019 | Apr 16 | Oct 12 | Apr 3 | Oct 12 |
| 2018 | Apr 21 | Oct 21 | Apr 10 | Oct 21 |
| 2017 | Mar 16 | Oct 28 | Mar 16 | Oct 28 |
| 2016 | Apr 10 | Nov 10 | Mar 21 | Nov 14 |
| 2015 | Apr 5 | Oct 30 | Mar 7 | Oct 30 |
| 2014 | Apr 16 | Nov 1 | Apr 15 | Nov 1 |
| 2013 | May 5 | no data | Mar 28 | no data |
| 2012 | Apr 13 | Oct 8 | Mar 9 | Nov 8 |
| 2011 | Mar 31 | Oct 21 | Mar 28 | Nov 11 |
| 2010 | Mar 27 | Oct 29 | Mar 24 | Oct 29 |
| 2009 | Apr 12 | Oct 10 | Mar 14 | Nov 8 |
| 2008 | no data | Oct 28 | no data | 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.