Last frost date in Drexel Hill, PA
Expect the last frost in Drexel Hill around April 2. Frost after April 13 happens in only one year out of ten. The first fall frost usually arrives about November 10, which leaves 224 frost-free days. An early freeze before October 30 happens one year in ten.
- Safe after (10% risk)
- Apr 13
- Average first frost
- Nov 10
- Frost-free season
- 224 days
- Hard freeze (28°F) ends
- Mar 22
Frost possible in low spots Fri night, low 36°F
Earlier than usual: the average first frost here is November 10.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2244°
- FriOct 2336°possible frost
- SatOct 2438°
- SunOct 2541°
- MonOct 2647°
- TueOct 2747°
- WedOct 2847°
Planting calendar for Drexel Hill
Windows count forward or back from the average frost dates above. Click a crop for dates across Pennsylvania.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Mar 19 | Apr 2 | Apr 13 | Oct 30 | Nov 10 | Nov 24 |
| Hard freeze, 28°F | Mar 7 | Mar 22 | Apr 3 | Nov 7 | Nov 23 | Dec 8 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Philadelphia International Airport (USW00013739) sits 6.8 miles from the center of Drexel Hill at 10 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Drexel Hill, PA?
The average last frost date in Drexel Hill is April 2, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 13.
When is the first frost in Drexel Hill?
The first frost in fall usually comes around November 10. One year in ten it arrives before October 30.
How long is the growing season in Drexel Hill?
About 224 days between the average last and first frost.
When should I plant tomatoes in Drexel Hill?
Plant tomato seedlings outside from April 9 to April 23. Start seeds indoors six to eight weeks earlier.
Nearby in Pennsylvania
- ChesterMar 30
- PhiladelphiaMar 30
- King of PrussiaApr 8
- NorristownApr 8
- PhoenixvilleApr 18
- PottstownApr 20
- LevittownApr 21
- ReadingApr 14
- AllentownApr 20
- BethlehemApr 20
- EastonApr 18
- LancasterApr 19