Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 07748 — Middletown, NJ

ZIP code 07748 (Middletown, Monmouth County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 9 and the first fall frost November 3.

Where ZIP 07748 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 9
First frostNov 3
2012 zone7a

Was 7a on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Middletown, NJ…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Middletown, NJ

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 9median — 50% chance of a later frost
Safe for tender plantsApril 23only 10% chance of frost after
First fall frostNovember 3median — 10% chance by Oct 21
Growing season208 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 29 and returns around November 15.

From the NOAA station Long Branch-Oakhurst, NJ — 9 miles away, elevation 30 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 07748

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 26 – Mar 12
SpinachSow outdoors · Feb 26 – Mar 19
Broccoli, cabbageStart indoors · Jan 29 – Feb 12
Broccoli, cabbageTransplant · Mar 19 – Apr 2
Onion setsPlant outdoors · Mar 12 – Mar 26
PotatoesPlant outdoors · Mar 19 – Apr 2
LettuceSow outdoors · Mar 12 – Mar 26
Carrots, beetsSow outdoors · Mar 19 – Apr 2
TomatoesStart indoors · Feb 12 – Feb 26
TomatoesTransplant · Apr 16 – Apr 30
Peppers, eggplantStart indoors · Jan 29 – Feb 12
Peppers, eggplantTransplant · Apr 23 – May 7
BeansSow outdoors · Apr 16 – Apr 30
Sweet cornSow outdoors · Apr 16 – Apr 30
Cucumbers, squashSow outdoors · Apr 16 – Apr 30
Fall lettuce, spinachSow outdoors · Sep 8 – Sep 22
GarlicPlant cloves · Oct 20 – Nov 24
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 9) and first fall frost (Nov 3) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 07748 came on Mar 15 — 6 days earlier than the 1991–2020 average (Mar 21).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Soil in Middletown, NJ

The soil mapped at the center of ZIP 07748 is Freehold — sandy loam, well drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.5%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Freehold-Urban land complex, 0 to 10 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 07748; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Middletown, NJ

Summer high84 °Faverage high, July
Winter low25 °Faverage low, January
Hot days13days a year at 90 °F or more
Freezing nights94nights a year at 32 °F or less
Growing degree days3,314base 50 °F — the season’s usable heat
Longest day15 h 04 mindaylight on June 21
Shortest day9 h 17 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation49.4 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 42 °F, low 25 °F 42°25° JanFebruary: average high 43 °F, low 26 °F 43°26° FebMarch: average high 49 °F, low 32 °F 49°32° MarApril: average high 59 °F, low 41 °F 59°41° AprMay: average high 68 °F, low 51 °F 68°51° MayJune: average high 78 °F, low 61 °F 78°61° JunJuly: average high 84 °F, low 67 °F 84°67° JulAugust: average high 82 °F, low 65 °F 82°65° AugSeptember: average high 76 °F, low 59 °F 76°59° SepOctober: average high 66 °F, low 47 °F 66°47° OctNovember: average high 56 °F, low 37 °F 56°37° NovDecember: average high 47 °F, low 30 °F 47°30° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.86 in precipitation 3.9 JanFebruary: 3.08 in precipitation 3.1 FebMarch: 4.58 in precipitation 4.6 MarApril: 4.20 in precipitation 4.2 AprMay: 4.06 in precipitation 4.1 MayJune: 4.31 in precipitation 4.3 JunJuly: 4.05 in precipitation 4.0 JulAugust: 4.54 in precipitation 4.5 AugSeptember: 4.02 in precipitation 4.0 SepOctober: 4.51 in precipitation 4.5 OctNovember: 3.40 in precipitation 3.4 NovDecember: 4.80 in precipitation 4.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Long Branch-Oakhurst, NJ (9 mi away); precipitation: Eatontown 1.2 Ne, NJ (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

077187b
Belford, NJ · 2 mi
077587b
Port Monmouth, NJ · 3 mi
077377b
Leonardo, NJ · 3 mi
077017b
Red Bank, NJ · 3 mi
077337b
Holmdel, NJ · 3 mi
077347b
Keansburg, NJ · 3 mi
077307b
Hazlet, NJ · 4 mi
077167b
Atlantic Highlands, NJ · 4 mi

New Jersey planting zones →

Questions about 07748

What planting zone is ZIP code 07748?

ZIP code 07748 (Middletown, NJ) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in Middletown, NJ?

The median last spring frost (32 °F) near 07748 is April 9; after April 23 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Long Branch-Oakhurst station.

When is the first frost in Middletown, NJ?

The median first fall frost near 07748 is November 3, giving a median frost-free growing season of 208 days.

When should I plant tomatoes in 07748?

Start tomato seeds indoors around Feb 12 – Feb 26 and set transplants outside around Apr 16 – Apr 30, one to three weeks after the median last frost.

How much rain and snow does 07748 get?

About 49.4 inches of precipitation a year (NOAA 1991–2020 normals, Eatontown 1.2 Ne station).

How hot do summers get in Middletown, NJ?

The average high peaks at 84 °F in July, with about 13 days a year at 90 °F or more.

What kind of soil does 07748 have?

The USDA soil survey maps Freehold at the center of ZIP 07748: sandy loam, well drained, pH about 5.8 (moderately acidic).

Did spring come early in Middletown, NJ in 2026?

Spring leaf-out near 07748 came on Mar 15 in 2026, 6 days earlier than the 1991–2020 average (Mar 21), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Middletown, NJ?

Long-day onions: the longest day near 07748 is 15 h 04 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 07748 change?

Yes. The 2012 USDA map put 07748 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.