Trenton, NJ Frost Dates
The last spring frost in Trenton usually comes around April 10 and the first fall frost around November 1.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | April 10 | November 1 |
| Hard freeze, 28°F | March 31 | November 12 |
Growing season: about 202 days.
Frequently asked questions
When is the last frost in Trenton, NJ?
The median date of the last spring frost (32°F) is April 10. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past April 10 lowers the risk for tender plants.
When is the first frost in Trenton?
The median date of the first fall frost (32°F) is November 1, and a hard freeze (28°F) usually follows around November 12.
How long is the growing season in Trenton?
About 202 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USW00014792. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.