Last frost date in Trenton, New Jersey
April 17
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 6.
October 28
Average first frost in fall. 1 year in 10 it comes by October 11.
Source: NOAA U.S. Climate Normals 1991–2020, station Trenton State College (USC00288880), 3.6 miles from Trenton, elevation 100 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 2 | Apr 17 | May 6 |
| First frost in fall | Oct 11 | Oct 28 | Nov 10 |
Frost-free days in an average year: 192
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 1 | Oct 15 |
| Frost (32°F) | Every year | Apr 17 | Oct 28 |
| Hard freeze (28°F) | Every year | Apr 2 | Nov 7 |
Nights at 32°F or colder in an average year: 109
What to plant now in Trenton
- 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 20 Trenton: April 17
- Fall planting calendar for an average first frost around October 30 Trenton: October 28
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
- Princeton 11 mi · last frost Apr 25
- Burlington 11 mi · last frost Apr 15
- New Brunswick 25 mi · last frost Apr 15
- Somerville 25 mi · last frost Apr 30
- Freehold 26 mi · last frost Apr 17
Updated