Frost dates in Somerset County, New Jersey
The average last spring frost in Somerset County falls Apr 11 to Apr 30 and the average first fall frost Oct 16 to Oct 28, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7a. Places: Basking Ridge, Belle Mead, Bernardsville, Bound Brook, Dunellen, Far Hills. 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 |
|---|---|---|---|---|
| 07059 | Apr 11 | Oct 28 | 7a | |
| 07069 | Watchung | Apr 11 | Oct 28 | 7a |
| 07920 | Basking Ridge | Apr 30 | Oct 20 | 7a |
| 07921 | Lamington | Apr 26 | Oct 18 | 7a |
| 07924 | Bernardsville | Apr 26 | Oct 18 | 6b |
| 07931 | Far Hills | Apr 26 | Oct 18 | 7a |
| 07934 | Peapack and Gladstone | Apr 26 | Oct 18 | 7a |
| 07939 | Lyons | Apr 30 | Oct 20 | 7a |
| 07977 | Peapack and Gladstone | Apr 26 | Oct 18 | 7a |
| 08502 | Belle Mead | Apr 16 | Oct 27 | 7a |
| 08528 | Kingston | Apr 25 | Oct 16 | 7a |
| 08553 | Rocky Hill | Apr 16 | Oct 27 | 7a |
| 08558 | Skillman | Apr 16 | Oct 27 | 7a |
| 08805 | Bound Brook | Apr 30 | Oct 20 | 7a |
| 08807 | Martinsville | Apr 30 | Oct 20 | 7a |
| 08812 | Dunellen | Apr 11 | Oct 28 | 7a |
| 08821 | Flagtown | Apr 16 | Oct 27 | 7a |
| 08823 | Pleasant Plains | Apr 15 | Oct 26 | 7a |
| 08835 | Manville | Apr 30 | Oct 20 | 7a |
| 08836 | Martinsville | Apr 30 | Oct 20 | 7a |
| 08844 | Hillsborough | Apr 16 | Oct 27 | 7a |
| 08853 | Neshanic Station | Apr 16 | Oct 27 | 7a |
| 08869 | Raritan | Apr 30 | Oct 20 | 7a |
| 08873 | Six Mile Run | Apr 15 | Oct 26 | 7a |
| 08876 | Somerville | Apr 30 | Oct 20 | 7a |
| 08880 | South Bound Brook | Apr 11 | Oct 28 | 7a |
| 08890 | Zarephath | Apr 30 | Oct 20 | 7a |
Nearby counties
Middlesex County Hunterdon County Union County Morris County Mercer County Essex County
All New Jersey counties · Download New Jersey frost dates (CSV)
Never miss a frost: get The Dial
Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.