Last frost date in Newark, Delaware
April 7
Average last frost in spring. In an early year (1 in 10) it's over by March 26; in a late year (1 in 10) it comes after April 21.
November 2
Average first frost in fall. 1 year in 10 it comes by October 19.
Source: NOAA U.S. Climate Normals 1991–2020, station Newark Ag Farm (USC00076410), 0.9 miles from Newark, elevation 106 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Middletown, so its frost dates are the same as Newark's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 26 | Apr 7 | Apr 21 |
| First frost in fall | Oct 19 | Nov 2 | Nov 17 |
Frost-free days in an average year: 208
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 22 | Oct 22 |
| Frost (32°F) | Every year | Apr 7 | Nov 2 |
| Hard freeze (28°F) | Every year | Mar 27 | Nov 13 |
Nights at 32°F or colder in an average year: 97
What to plant now in Newark
- 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 Newark: April 7
- Fall planting calendar for an average first frost around October 30 Newark: November 2
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 Delaware
- Wilmington 13 mi · last frost Apr 7
- Dover 38 mi · last frost Apr 4
- Milford 56 mi · last frost Apr 11
Updated