Last frost date in Hanover, Pennsylvania
April 24
Average last frost in spring. In an early year (1 in 10) it's over by April 9; in a late year (1 in 10) it comes after May 11.
October 20
Average first frost in fall. 1 year in 10 it comes by October 6.
Source: NOAA U.S. Climate Normals 1991–2020, station Hanover 4 SW (USC00363665), 3.9 miles from Hanover, elevation 558 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 9 | Apr 24 | May 11 |
| First frost in fall | Oct 6 | Oct 20 | Nov 2 |
Frost-free days in an average year: 177
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 7 | Oct 8 |
| Frost (32°F) | Every year | Apr 24 | Oct 20 |
| Hard freeze (28°F) | Every year | Apr 9 | Oct 31 |
Nights at 32°F or colder in an average year: 122
What to plant now in Hanover
- Spring planting calendar for an average last frost around April 20 Hanover: April 24
- Fall planting calendar for an average first frost around October 20 Hanover: October 20
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
- York 17 mi · last frost Apr 26
- Mechanicsburg 28 mi · last frost Apr 9
- Carlisle 29 mi · last frost Apr 23
- Columbia 30 mi · last frost Apr 30
- Elizabethtown 31 mi · last frost Apr 9
Updated