Last frost date in Troy, Missouri
April 14
Average last frost in spring. In an early year (1 in 10) it's over by March 31; in a late year (1 in 10) it comes after May 3.
October 23
Average first frost in fall. 1 year in 10 it comes by October 9.
Source: NOAA U.S. Climate Normals 1991–2020, station Warrenton 1 N (USC00238725), 13.1 miles from Troy, elevation 827 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 31 | Apr 14 | May 3 |
| First frost in fall | Oct 9 | Oct 23 | Nov 5 |
Frost-free days in an average year: 191
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 28 | Oct 14 |
| Frost (32°F) | Every year | Apr 14 | Oct 23 |
| Hard freeze (28°F) | Every year | Apr 3 | Nov 2 |
Nights at 32°F or colder in an average year: 111
What to plant now in Troy
- Spring planting calendar for an average last frost around April 10 Troy: April 14
- Fall planting calendar for an average first frost around October 20 Troy: October 23
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Missouri
- O'Fallon 18 mi · last frost Apr 10
- St. Peters 23 mi · last frost Apr 9
- St. Charles 27 mi · last frost Apr 8
- Washington 29 mi · last frost Apr 8
- Chesterfield 30 mi · last frost Apr 4
Updated