Last frost date in Coatesville, Pennsylvania
April 19
Average last frost in spring. In an early year (1 in 10) it's over by April 3; in a late year (1 in 10) it comes after May 4.
October 25
Average first frost in fall. 1 year in 10 it comes by October 11.
Source: NOAA U.S. Climate Normals 1991–2020, station Coatesville 2 W (USC00361591), 2.2 miles from Coatesville, elevation 640 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 3 | Apr 19 | May 4 |
| First frost in fall | Oct 11 | Oct 25 | Nov 7 |
Frost-free days in an average year: 190
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 1 | Oct 13 |
| Frost (32°F) | Every year | Apr 19 | Oct 25 |
| Hard freeze (28°F) | Every year | Apr 3 | Nov 6 |
Nights at 32°F or colder in an average year: 120
What to plant now in Coatesville
- Spring planting calendar for an average last frost around April 20 Coatesville: April 19
- Fall planting calendar for an average first frost around October 20 Coatesville: October 25
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 Pennsylvania
- West Chester 11 mi · last frost Apr 26
- Phoenixville 19 mi · last frost Apr 18
- Pottstown 21 mi · last frost Apr 20
- Ephrata 23 mi · last frost Apr 18
- Reading 25 mi · last frost Apr 14
Updated