Last frost date in State College, Pennsylvania
April 20
Average last frost in spring. In an early year (1 in 10) it's over by April 7; in a late year (1 in 10) it comes after May 6.
October 26
Average first frost in fall. 1 year in 10 it comes by October 10.
Source: NOAA U.S. Climate Normals 1991–2020, station State College (USC00368449), 0.6 miles from State College, elevation 1,170 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 7 | Apr 20 | May 6 |
| First frost in fall | Oct 10 | Oct 26 | Nov 9 |
Frost-free days in an average year: 187
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 1 | Oct 14 |
| Frost (32°F) | Every year | Apr 20 | Oct 26 |
| Hard freeze (28°F) | Every year | Apr 8 | Nov 5 |
Nights at 32°F or colder in an average year: 122
What to plant now in State College
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
- Spring planting calendar for an average last frost around April 20 State College: April 20
- Fall planting calendar for an average first frost around October 30 State College: October 26
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
- Altoona 35 mi · last frost Apr 25
- Williamsport 53 mi · last frost Apr 25
- Carlisle 53 mi · last frost Apr 23
- St. Marys 57 mi · last frost May 14
- Mechanicsburg 60 mi · last frost Apr 9
Updated