Frost dates in Dauphin County, Pennsylvania
The average last spring frost in Dauphin County falls Apr 9 to May 1 and the average first fall frost Oct 16 to Nov 2, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7a. Places: Berrysburg, Colonial Park, Dauphin, Elizabethville, Gratz, Halifax. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 17005 | Berrysburg | May 1 | Oct 16 | 6b |
| 17018 | Dauphin | May 1 | Oct 16 | 7a |
| 17023 | Elizabethville | May 1 | Oct 16 | 6b |
| 17030 | Gratz | May 1 | Oct 16 | 6b |
| 17032 | Halifax | May 1 | Oct 16 | 6b |
| 17033 | Hershey | Apr 9 | Nov 2 | 7a |
| 17034 | Highspire | Apr 9 | Nov 2 | 7a |
| 17036 | Hershey | Apr 9 | Nov 2 | 7a |
| 17048 | Gratz | May 1 | Oct 16 | 6b |
| 17057 | Middletown | Apr 9 | Nov 2 | 7a |
| 17061 | Millersburg | May 1 | Oct 16 | 7a |
| 17080 | Pillow | Apr 25 | Oct 22 | 6b |
| 17097 | Wiconsico | May 1 | Oct 16 | 6b |
| 17098 | Williamstown | May 1 | Oct 16 | 6b |
| 17101 | Harrisburg | Apr 15 | Oct 23 | 7a |
| 17102 | Harrisburg | Apr 15 | Oct 23 | 7a |
| 17103 | Harrisburg | Apr 15 | Oct 23 | 7a |
| 17104 | Harrisburg | Apr 15 | Oct 23 | 7a |
| 17109 | Colonial Park | Apr 15 | Oct 23 | 7a |
| 17110 | Harrisburg | Apr 15 | Oct 23 | 7a |
| 17111 | Lawnton | Apr 15 | Oct 23 | 7a |
| 17112 | Linglestown | May 1 | Oct 16 | 7a |
| 17113 | Steelton | Apr 9 | Nov 1 | 7a |
| 17120 | Harrisburg | Apr 15 | Oct 23 | 7a |
| 17978 | May 1 | Oct 16 | 6b | |
| 17980 | Orwin | May 1 | Oct 16 | 6b |
Nearby counties
Lebanon County Perry County Cumberland County Snyder County Northumberland County Juniata County
All Pennsylvania counties · Download Pennsylvania frost dates (CSV)
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