Frost dates in Belknap County, New Hampshire
The average last spring frost in Belknap County falls Apr 28 to May 8 and the average first fall frost Oct 3 to Oct 18, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b. Places: Alton, Belmont, Laconia, Meredith, New Hampton. 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 |
|---|---|---|---|---|
| 03218 | May 8 | Oct 3 | 5b | |
| 03220 | Belmont | Apr 30 | Oct 18 | 5b |
| 03225 | Apr 30 | Oct 18 | 5b | |
| 03226 | Apr 28 | Oct 16 | 5b | |
| 03237 | Apr 30 | Oct 18 | 5b | |
| 03246 | Laconia | Apr 30 | Oct 18 | 5b |
| 03249 | Apr 30 | Oct 18 | 5b | |
| 03253 | Meredith | Apr 30 | Oct 18 | 5b |
| 03256 | New Hampton | Apr 30 | Oct 18 | 5b |
| 03269 | Apr 30 | Oct 18 | 5b | |
| 03809 | Alton | Apr 30 | Oct 18 | 5b |
| 03810 | Apr 30 | Oct 18 | 5b | |
| 03837 | Apr 30 | Oct 18 | 5b |
Nearby counties
Merrimack County Strafford County Carroll County Grafton County Rockingham County Sullivan County
All New Hampshire counties · Download New Hampshire frost dates (CSV)
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