Last frost date in Reading, Pennsylvania
April 14
Average last frost in spring. In an early year (1 in 10) it's over by April 1; in a late year (1 in 10) it comes after April 30.
October 29
Average first frost in fall. 1 year in 10 it comes by October 13.
Source: NOAA U.S. Climate Normals 1991–2020, station Reading Spaatz Fld (USW00014712), 2.9 miles from Reading, elevation 341 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Wyomissing, so its frost dates are the same as Reading's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 1 | Apr 14 | Apr 30 |
| First frost in fall | Oct 13 | Oct 29 | Nov 10 |
Frost-free days in an average year: 197
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 28 | Oct 17 |
| Frost (32°F) | Every year | Apr 14 | Oct 29 |
| Hard freeze (28°F) | Every year | Apr 1 | Nov 8 |
Nights at 32°F or colder in an average year: 107
What to plant now in Reading
- 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 10 Reading: April 14
- Fall planting calendar for an average first frost around October 30 Reading: October 29
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
- Pottstown 16 mi · last frost Apr 20
- Ephrata 17 mi · last frost Apr 18
- Coatesville 25 mi · last frost Apr 19
- Phoenixville 26 mi · last frost Apr 18
- Lebanon 26 mi · last frost Apr 20
Updated