Last frost date in New Brunswick, New Jersey
April 15
Average last frost in spring. In an early year (1 in 10) it's over by April 2; in a late year (1 in 10) it comes after May 1.
October 26
Average first frost in fall. 1 year in 10 it comes by October 11.
Source: NOAA U.S. Climate Normals 1991–2020, station New Brunswick 3 SE (USC00286055), 1.5 miles from New Brunswick, elevation 111 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Highland Park, Perth Amboy, Sayreville, South Amboy and South River, so their frost dates are the same as New Brunswick's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 2 | Apr 15 | May 1 |
| First frost in fall | Oct 11 | Oct 26 | Nov 8 |
Frost-free days in an average year: 193
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 29 | Oct 14 |
| Frost (32°F) | Every year | Apr 15 | Oct 26 |
| Hard freeze (28°F) | Every year | Apr 2 | Nov 7 |
Nights at 32°F or colder in an average year: 111
What to plant now in New Brunswick
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
- Spring planting calendar for an average last frost around April 10 New Brunswick: April 15
- Fall planting calendar for an average first frost around October 30 New Brunswick: October 26
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in New Jersey
- Plainfield 9 mi · last frost Apr 11
- Somerville 10 mi · last frost Apr 30
- Westfield 13 mi · last frost Apr 11
- Princeton 15 mi · last frost Apr 25
- Summit 16 mi · last frost Apr 18