Frost dates in Hillsborough County, New Hampshire
The average last spring frost in Hillsborough County falls Apr 21 to May 10 and the average first fall frost Oct 5 to Oct 19, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6a. Places: Amherst, Antrim, Bennington, East Merrimack, Francestown, Goffstown. 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 |
|---|---|---|---|---|
| 03031 | Amherst | May 3 | Oct 5 | 6a |
| 03033 | Apr 28 | Oct 8 | 6a | |
| 03043 | Francestown | May 2 | Oct 8 | 6a |
| 03045 | Goffstown | Apr 21 | Oct 19 | 6a |
| 03047 | May 5 | Oct 6 | 6a | |
| 03048 | Greenville | May 10 | Oct 6 | 6a |
| 03049 | Apr 28 | Oct 8 | 6a | |
| 03051 | Hudson | May 3 | Oct 8 | 6a |
| 03052 | Apr 30 | Oct 12 | 6a | |
| 03054 | East Merrimack | Apr 30 | Oct 12 | 6a |
| 03055 | Milford | May 3 | Oct 5 | 6a |
| 03057 | May 3 | Oct 5 | 6a | |
| 03060 | Nashua | Apr 30 | Oct 12 | 6a |
| 03062 | Nashua | Apr 30 | Oct 12 | 6a |
| 03063 | Nashua | Apr 30 | Oct 12 | 6a |
| 03064 | Nashua | Apr 30 | Oct 12 | 6a |
| 03070 | Klondike Corner | May 2 | Oct 8 | 6a |
| 03071 | May 10 | Oct 6 | 6a | |
| 03076 | May 3 | Oct 8 | 6a | |
| 03082 | May 3 | Oct 5 | 6a | |
| 03084 | May 10 | Oct 6 | 6a | |
| 03086 | Wilton | May 10 | Oct 6 | 6a |
| 03101 | Manchester | Apr 30 | Oct 11 | 6a |
| 03102 | Manchester | Apr 30 | Oct 11 | 6a |
| 03103 | Manchester | Apr 21 | Oct 19 | 6a |
| 03104 | Manchester | Apr 30 | Oct 11 | 6a |
| 03109 | Manchester | Apr 30 | Oct 11 | 6a |
| 03110 | Apr 21 | Oct 19 | 6a | |
| 03244 | Hillsborough | May 2 | Oct 8 | 6a |
| 03281 | May 2 | Oct 8 | 6a | |
| 03440 | Antrim | May 2 | Oct 8 | 6a |
| 03442 | Bennington | May 2 | Oct 8 | 5b |
| 03449 | Hancock | May 5 | Oct 6 | 6a |
| 03458 | Peterborough | May 5 | Oct 6 | 6a |
Nearby counties
Merrimack County Rockingham County Cheshire County Sullivan County Strafford County Belknap County
All New Hampshire counties · Download New Hampshire frost dates (CSV)
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