New Jersey Frost Dates

New Jersey has 48 NOAA weather stations with freeze records in the 1991–2020 climate normals. The typical last spring frost ranges from March 26 at Atlantic City to May 1 at Sussex Ap; at half the stations it has come by April 16. The first fall frost typically arrives between October 11 at Sussex 3 Wnw and November 22 at Margate, with a median of October 27.

The growing season between the typical frosts runs from 163 days at Sussex 3 Wnw to 243 days at Margate; 190 days at the median station.

Every station in New Jersey

Typical dates have a 50% chance of a frost after them in spring, and before them in fall; safer dates, 10%. A garden can differ from its nearest station, especially in a valley or on a hillside: see why your garden may differ.

New Jersey: freeze (32 °F) dates by NOAA station, 1991–2020 normals
StationElevationLast frostSaferFirst frostSaferSeason (days)
Andover Aeroflex Ap583 ftApr 25May 11Oct 19Oct 5175
Atlantic City Intl Ap60 ftApr 18May 5Oct 29Oct 13190
Atlantic City10 ftMar 26Apr 6Nov 21Nov 6240
Belleplain Stn Forest30 ftApr 24May 18Oct 22Oct 8181
Belvidere Brg263 ftApr 30May 18Oct 18Oct 3168
Boonton 1 Se280 ftApr 17May 5Oct 23Oct 8189
Brant Beach-Beach Haven5 ftApr 1Apr 15Nov 15Nov 2230
Caldwell Essex Co Ap173 ftApr 14Apr 30Oct 28Oct 13196
Canoe Brook180 ftApr 18May 6Oct 27Oct 11189
Cape May 2 Nw20 ftApr 1Apr 15Nov 9Oct 26222
Charlotteburg Rsvr778 ftApr 25May 11Oct 17Oct 2174
Cranford80 ftApr 11Apr 28Oct 31Oct 14202
Essex Fells Service Bldg350 ftApr 18May 7Oct 24Oct 8187
Estell Manor85 ftApr 24May 12Oct 22Oct 8180
Flemington 5 Nnw265 ftApr 24May 11Oct 21Oct 6179
Freehold-Marlboro194 ftApr 17May 6Oct 23Oct 9190
Glassboro 2 Ne100 ftApr 8Apr 22Nov 1Oct 18205
Hammonton 1 Ne125 ftApr 14Apr 27Oct 27Oct 13196
Harrison24 ftApr 4Apr 16Nov 6Oct 25216
Hightstown 2 W100 ftApr 25May 12Oct 16Oct 4173
Indian Mills 2 W100 ftApr 28May 16Oct 15Oct 3169
Lambertville68 ftApr 16Apr 30Oct 19Oct 4185
Little Falls150 ftApr 15May 1Oct 28Oct 13195
Long Branch-Oakhurst30 ftApr 9Apr 23Nov 3Oct 21208
Margate16 ftMar 26Apr 7Nov 22Nov 7243
Millville Muni Ap70 ftApr 24May 10Oct 23Oct 10181
Moorestown45 ftApr 12May 3Nov 1Oct 17200
Mt Holly S Jersey Ap53 ftApr 15May 2Oct 28Oct 12195
New Brunswick 3 Se111 ftApr 15May 1Oct 26Oct 11193
Newark Intl Ap7 ftApr 2Apr 15Nov 10Oct 28222
Newton605 ftApr 24May 9Oct 16Oct 2176
Pennsauken 1n46 ftApr 15May 1Oct 31Oct 16199
Philadelphia/Mt Holly Wfo63 ftApr 15Apr 29Oct 29Oct 14196
Phillipsburg-Easton Brg232 ftApr 18May 5Oct 25Oct 11188
Plainfield90 ftApr 11Apr 27Oct 28Oct 13198
Seabrook Farms104 ftApr 10Apr 25Nov 1Oct 16205
Somerville 4 Nw134 ftApr 30May 14Oct 20Oct 5172
Somerville Somerset Ap105 ftApr 26May 13Oct 18Oct 5176
Sussex 3 Wnw667 ftApr 30May 18Oct 11Sep 30163
Sussex 8 Nnw1,020 ftApr 20May 5Oct 20Oct 5181
Sussex Ap421 ftMay 1May 18Oct 12Sep 30164
Teterboro Ap9 ftApr 3Apr 16Nov 4Oct 21215
Toms River10 ftApr 23May 12Oct 20Oct 8179
Trenton Mercer Co Ap184 ftApr 10Apr 25Nov 1Oct 15202
Trenton State College100 ftApr 17May 6Oct 28Oct 11192
Wanaque Raymond Dam245 ftApr 19May 3Oct 23Oct 9188
Wertsville 4 Ne283 ftApr 16May 1Oct 27Oct 10192
Woodstown Pittsgrov 4e98 ftApr 11Apr 27Nov 3Oct 18206

Plan your garden with these dates

Enter your ZIP code in the planner: it picks the nearest of these stations and dates every crop in your beds from its frosts. Free, in your browser.

Questions

When is the last frost in New Jersey?

It depends on where you are. The typical last spring frost at New Jersey's NOAA stations ranges from March 26 to May 1, and half of them have had it by April 16. Enter your ZIP code above for the station nearest you.

When is the first frost in New Jersey?

Typically between October 11 and November 22, depending on the station; the median is October 27. Plan fall crops back from your own station's date.

What do "typical" and "safer" mean?

With the typical (50%) last-frost date, half of years still have a frost after it. With the safer (10%) date, only one year in ten does. In fall it's the other way around: the safer date is the earlier one.

Other states

Sources

  1. NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020 (annual/seasonal, by station: freeze dates at 32 °F)