Deconstruct Sun

Newark, NJ: Hardiness Zone 7b & Sunlight by Season

Newark is in USDA hardiness zone 7b. Here’s what that means for winter, plus sunrise, sunset, daylight hours and the sun’s path through the year.

Hardiness zone
7b
2023 USDA map
Coldest winter night (avg)
5 to 10 °F
−15.0 to −12.2 °C
Longest day (Jun 21)
15h 06m
5:25 AM – 8:31 PM
Shortest day (Dec 21)
9h 15m
7:17 AM – 4:32 PM

Zone 7b in Newark

On the 2023 USDA Plant Hardiness Zone Map, Newark falls in zone 7b. That means the coldest night of a typical winter drops to between 5 and 10 °F. Perennials, shrubs and trees labeled for zone 7b or colder (a lower number) should survive the winter here.

A zone only covers winter cold. For a plant to do well it also needs the right amount of sun, and that varies far more from one corner of a yard to the next than the zone does across town.

This is not the official USDA Plant Hardiness Zone Map. Zones are derived from the official 2023 dataset, resampled to about 2 km.

Nearby cities

All New Jersey hardiness zones →

The sun over Newark

On the June solstice the sun rises in the northeast at 5:25 AM and climbs to 73° above the horizon at 12:58 PM. On the December solstice the noon sun reaches only 26°, so a 20-foot tree casts a noon shadow about 41 feet long. In June the same tree’s noon shadow is only 6 feet.

0°15°30°45°60°75°90°NNEESESSWWNWN
June solsticeMarch & September equinoxDecember solstice

Open the interactive sun calculator for Newark

Sunrise, sunset & daylight by month

DateSunriseSunsetDaylightNoon sun
Jan 217:15 AM5:01 PM9h 46m30°
Feb 216:42 AM5:38 PM10h 56m39°
Mar 216:58 AM7:09 PM12h 12m50°
Apr 216:08 AM7:42 PM13h 34m61°
May 215:34 AM8:12 PM14h 38m70°
Jun 215:25 AM8:31 PM15h 06m73°
Jul 215:43 AM8:22 PM14h 39m70°
Aug 216:12 AM7:45 PM13h 33m61°
Sep 216:43 AM6:55 PM12h 12m50°
Oct 217:14 AM6:07 PM10h 53m38°
Nov 216:50 AM4:34 PM9h 44m29°
Dec 217:17 AM4:32 PM9h 15m26°

Local time (New York), including daylight saving time. “Noon sun” is the sun’s height above the horizon at solar noon.

Daylight through the year

0h6h12h18h24hJanuary: 9h 46mJanFebruary: 10h 56mFebMarch: 12h 12mMarApril: 13h 34mAprMay: 14h 38mMayJune: 15h 06mJunJuly: 14h 39mJulAugust: 13h 33mAugSeptember: 12h 12mSepOctober: 10h 53mOctNovember: 9h 44mNovDecember: 9h 15mDec

What “full sun” means in Newark

Full sun is 6+ hours of direct sun. In Newark an open spot has 15.1 hours of daylight to work with in June and 9.2 in December, so a bed that clears 6 hours in summer can easily drop to part shade in winter once the low sun slips behind trees and houses.

Full sun6+ hoursof direct sun
Part sun4–6 hoursof direct sun
Part shade2–4 hoursof direct sun
Full shadeUnder 2 hoursof direct sun

Measure the sun in your Newark yard

Daylight is the ceiling. Deconstruct Sun traces the trees and buildings around one exact spot and tells you its real direct-sun hours, today and at every solstice and equinox.

Download on the App Store

Questions

What hardiness zone is Newark, NJ in?

Newark, New Jersey is in USDA plant hardiness zone 7b on the 2023 map. The average coldest winter night is 5 to 10 °F (−15.0 to −12.2 °C).

How many hours of daylight does Newark get?

About 15.1 hours on the June solstice (sunrise 5:25 AM, sunset 8:31 PM) and 9.2 hours on the December solstice (sunrise 7:17 AM, sunset 4:32 PM). Around the equinoxes it is close to 12 hours.

How many hours of sun does my Newark yard get?

Up to the daylight hours above, minus whatever trees, buildings and fences block. In winter, when the sun stays low, that can be most of it. The Deconstruct Sun iPhone app measures the real direct-sun hours for one exact spot by having you trace what is around it.

When is the best time to plant in Newark?

Zone 7b tells you which perennials survive winter, not planting dates. For timing, use your local average frost dates from your county extension office, and choose plants rated for zone 7b or colder.

Source: USDA Plant Hardiness Zone Map, 2023. Agricultural Research Service, U.S. Department of Agriculture, planthardiness.ars.usda.gov. Underlying data © PRISM Group, Oregon State University, prism.oregonstate.edu, accessed 2026-08-30. Sun times calculated for 40.724, -74.173.