New Jersey frost dates: Last spring and first autumn frost at every NOAA station, 1991-2020
Across New Jersey's 48 NOAA stations with frost dates, the median last spring frost (32°F) runs from March 26 in Atlantic City station to May 1 in Sussex; for half of its places it comes after April 17.
- Typical last spring frost
- April 17median of 33 places
- Typical first autumn frost
- October 25median of 33 places
- Earliest last frost
- March 26Atlantic City station
- Latest last frost
- May 1Sussex
When is the last frost in New Jersey, town by town?
Each date is NOAA's: "after April 17 in half of years" means the last 32°F night of spring came after April 17 in half of the years 1991-2020. By the 1-in-10 date, the last frost has passed in nine years out of ten.
Find your town in the list, or look up a ZIP code for the stations nearest it.
| Place or station | Last frost (median) | 1 in 10 after | First frost (median) | 1 in 10 before | Growing season | Zone |
|---|---|---|---|---|---|---|
| Atlantic City station | March 26 | April 6 | November 21 | November 6 | 240 days | – |
| Margate | March 26 | April 7 | November 22 | November 7 | 243 days | – |
| Brant Beach-Beach Haven | April 1 | April 15 | November 15 | November 2 | 230 days | – |
| Cape May2 mi NW | April 1 | April 15 | November 9 | October 26 | 222 days | 8a |
| NewarkNewark Liberty International Airport | April 2 | April 15 | November 10 | October 28 | 222 days | 7b |
| TeterboroTeterboro Airport | April 3 | April 16 | November 4 | October 21 | 215 days | 7b |
| Harrison | April 4 | April 16 | November 6 | October 25 | 216 days | 7b |
| Glassboro2 mi NE | April 8 | April 22 | November 1 | October 18 | 205 days | – |
| Long BranchLong Branch-Oakhurst | April 9 | April 23 | November 3 | October 21 | 208 days | 7b |
| Seabrook Farms | April 10 | April 25 | November 1 | October 16 | 205 days | 7b |
| TrentonTrenton-Mercer Airport | April 10 | April 25 | November 1 | October 15 | 202 days | 7b |
| Cranford | April 11 | April 28 | October 31 | October 14 | 202 days | 7a |
| Plainfield | April 11 | April 27 | October 28 | October 13 | 198 days | 7a |
| WoodstownWoodstown Pittsgrov (4 mi E) | April 11 | April 27 | November 3 | October 18 | 206 days | – |
| Moorestown-LenolaMoorestown | April 12 | May 3 | November 1 | October 17 | 200 days | 7b |
| CaldwellCaldwell Essex County Airport | April 14 | April 30 | October 28 | October 13 | 196 days | 7a |
| Hammonton1 mi NE | April 14 | April 27 | October 27 | October 13 | 196 days | 7b |
| Little Falls | April 15 | May 1 | October 28 | October 13 | 195 days | – |
| Mount Holly S Jersey Airport | April 15 | May 2 | October 28 | October 12 | 195 days | 7b |
| New Brunswick3 mi SE | April 15 | May 1 | October 26 | October 11 | 193 days | 7a |
| Pennsauken (1 mi N) | April 15 | May 1 | October 31 | October 16 | 199 days | 7b |
| Philadelphia/Mount Holly Weather Office | April 15 | April 29 | October 29 | October 14 | 196 days | 7a |
| Lambertville | April 16 | April 30 | October 19 | October 4 | 185 days | – |
| Wertsville (4 mi NE) | April 16 | May 1 | October 27 | October 10 | 192 days | 7a |
| Boonton1 mi SE | April 17 | May 5 | October 23 | October 8 | 189 days | 7a |
| FreeholdFreehold-Marlboro | April 17 | May 6 | October 23 | October 9 | 190 days | 7b |
| Trenton State College | April 17 | May 6 | October 28 | October 11 | 192 days | – |
| Atlantic CityAtlantic City International Airport | April 18 | May 5 | October 29 | October 13 | 190 days | 7a |
| Canoe Brook | April 18 | May 6 | October 27 | October 11 | 189 days | 7a |
| Essex FellsEssex Fells Service Bldg | April 18 | May 7 | October 24 | October 8 | 187 days | – |
| PhillipsburgPhillipsburg-Easton Bridge | April 18 | May 5 | October 25 | October 11 | 188 days | 7a |
| WanaqueWanaque Raymond Dam | April 19 | May 3 | October 23 | October 9 | 188 days | – |
| Sussex (8 mi NNW) | April 20 | May 5 | October 20 | October 5 | 181 days | – |
| Toms River | April 23 | May 12 | October 20 | October 8 | 179 days | 7a |
| BelleplainBelleplain Station Forest | April 24 | May 18 | October 22 | October 8 | 181 days | – |
| Estell Manor | April 24 | May 12 | October 22 | October 8 | 180 days | 7a |
| Flemington5 mi NNW | April 24 | May 11 | October 21 | October 6 | 179 days | 7a |
| MillvilleMillville Municipal Airport | April 24 | May 10 | October 23 | October 10 | 181 days | 7a |
| Newton | April 24 | May 9 | October 16 | October 2 | 176 days | – |
| AndoverAndover Aeroflex Airport | April 25 | May 11 | October 19 | October 5 | 175 days | – |
| Charlotteburg Reservoir | April 25 | May 11 | October 17 | October 2 | 174 days | 6b |
| Hightstown2 mi W | April 25 | May 12 | October 16 | October 4 | 173 days | 7a |
| SomervilleSomerville Somerset Airport | April 26 | May 13 | October 18 | October 5 | 176 days | 6b |
| Indian Mills (2 mi W) | April 28 | May 16 | October 15 | October 3 | 169 days | 7a |
| BelvidereBelvidere Bridge | April 30 | May 18 | October 18 | October 3 | 168 days | – |
| Somerville (4 mi NW) | April 30 | May 14 | October 20 | October 5 | 172 days | – |
| Sussex (3 mi WNW) | April 30 | May 18 | October 11 | September 30 | 163 days | – |
| SussexSussex Airport | May 1 | May 18 | October 12 | September 30 | 164 days | 6a |
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities, growing-season length); station daily lows via ACIS (zone). Growing season: NOAA's median number of days between the last spring and first autumn 32°F night. Zone: the USDA's plant hardiness rule applied to the station's own 1991-2020 coldest nights.