Last frost date in Columbia, Pennsylvania
April 30
Average last frost in spring. In an early year (1 in 10) it's over by April 16; in a late year (1 in 10) it comes after May 13.
October 10
Average first frost in fall. 1 year in 10 it comes by September 29.
Source: NOAA U.S. Climate Normals 1991–2020, station Landisville 2 NW (USC00364778), 6.9 miles from Columbia, elevation 360 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 16 | Apr 30 | May 13 |
| First frost in fall | Sept 29 | Oct 10 | Oct 26 |
Frost-free days in an average year: 162
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 9 | Sept 30 |
| Frost (32°F) | Every year | Apr 30 | Oct 10 |
| Hard freeze (28°F) | Every year | Apr 18 | Oct 24 |
Nights at 32°F or colder in an average year: 122
What to plant now in Columbia
- Spring planting calendar for an average last frost around April 30 Columbia: April 30
- Fall planting calendar for an average first frost around October 10 Columbia: October 10
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
- Elizabethtown 10 mi · last frost Apr 9
- Lancaster 10 mi · last frost Apr 19
- York 13 mi · last frost Apr 26
- Ephrata 19 mi · last frost Apr 18
- Lebanon 22 mi · last frost Apr 20
Updated