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

Planting zone for 13345 — Greig, NY

ZIP code 13345 (Greig, Lewis County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 8 and the first fall frost October 1.

Where ZIP 13345 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.

Zone4b−25 to −20 °F
Coldest night−31.7 to −28.9 °C
Last frostMay 8
First frostOct 1
2012 zone4b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Greig, NY…

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 Greig, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 8median — 50% chance of a later frost
Safe for tender plantsMay 23only 10% chance of frost after
First fall frostOctober 1median — 10% chance by Sep 19
Growing season145 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 28 and returns around October 15.

From the NOAA station Lowville, NY — 11 miles away, elevation 863 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 13345

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 27 – Apr 10
SpinachSow outdoors · Mar 27 – Apr 17
Broccoli, cabbageStart indoors · Feb 27 – Mar 13
Broccoli, cabbageTransplant · Apr 17 – May 1
Onion setsPlant outdoors · Apr 10 – Apr 24
PotatoesPlant outdoors · Apr 17 – May 1
LettuceSow outdoors · Apr 10 – Apr 24
Carrots, beetsSow outdoors · Apr 17 – May 1
TomatoesStart indoors · Mar 13 – Mar 27
TomatoesTransplant · May 15 – May 29
Peppers, eggplantStart indoors · Feb 27 – Mar 13
Peppers, eggplantTransplant · May 22 – Jun 5
BeansSow outdoors · May 15 – May 29
Sweet cornSow outdoors · May 15 – May 29
Cucumbers, squashSow outdoors · May 15 – May 29
Fall lettuce, spinachSow outdoors · Aug 6 – Aug 20
GarlicPlant cloves · Sep 17 – Oct 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 8) and first fall frost (Oct 1) 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 13345 came on Apr 14 — 8 days earlier than the 1991–2020 average (Apr 22).

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 Greig, NY

The soil mapped at the center of ZIP 13345 is Monadnock — highly decomposed plant material, well drained.

TextureHighly decomposed plant materialtop layer
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter60%high
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Monadnock-Adams-Colton complex, 3 to 15 percent slopes, bouldery.

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 13345; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Greig, NY

Summer high78 °Faverage high, July
Winter low8 °Faverage low, January
Hot days2days a year at 90 °F or more
Freezing nights165nights a year at 32 °F or less
Growing degree days2,047base 50 °F — the season’s usable heat
Longest day15 h 27 mindaylight on June 21
Shortest day8 h 55 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation44.6 inper year, rain and melted snow

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 27 °F, low 8 °F 27°8° JanFebruary: average high 29 °F, low 9 °F 29°9° FebMarch: average high 38 °F, low 19 °F 38°19° MarApril: average high 52 °F, low 32 °F 52°32° AprMay: average high 66 °F, low 43 °F 66°43° MayJune: average high 74 °F, low 53 °F 74°53° JunJuly: average high 78 °F, low 57 °F 78°57° JulAugust: average high 77 °F, low 55 °F 77°55° AugSeptember: average high 70 °F, low 47 °F 70°47° SepOctober: average high 57 °F, low 38 °F 57°38° OctNovember: average high 44 °F, low 28 °F 44°28° NovDecember: average high 33 °F, low 17 °F 33°17° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.59 in precipitation 3.6 JanFebruary: 2.68 in precipitation 2.7 FebMarch: 2.97 in precipitation 3.0 MarApril: 3.23 in precipitation 3.2 AprMay: 3.49 in precipitation 3.5 MayJune: 3.73 in precipitation 3.7 JunJuly: 4.10 in precipitation 4.1 JulAugust: 4.31 in precipitation 4.3 AugSeptember: 3.96 in precipitation 4.0 SepOctober: 5.00 in precipitation 5.0 OctNovember: 4.03 in precipitation 4.0 NovDecember: 3.51 in precipitation 3.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Lowville, NY (11 mi away); precipitation: Chases Lake, NY (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

New York planting zones →

Questions about 13345

What planting zone is ZIP code 13345?

ZIP code 13345 (Greig, NY) is in USDA hardiness zone 4b on the 2023 map: the coldest night of an average winter reaches −25 to −20 °F (−31.7 to −28.9 °C).

When is the last frost in Greig, NY?

The median last spring frost (32 °F) near 13345 is May 8; after May 23 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Lowville station.

When is the first frost in Greig, NY?

The median first fall frost near 13345 is October 1, giving a median frost-free growing season of 145 days.

When should I plant tomatoes in 13345?

Start tomato seeds indoors around Mar 13 – Mar 27 and set transplants outside around May 15 – May 29, one to three weeks after the median last frost.

How much rain and snow does 13345 get?

About 44.6 inches of precipitation a year (NOAA 1991–2020 normals, Chases Lake station).

How hot do summers get in Greig, NY?

The average high peaks at 78 °F in July, with about 2 days a year at 90 °F or more.

What kind of soil does 13345 have?

The USDA soil survey maps Monadnock at the center of ZIP 13345: highly decomposed plant material, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Greig, NY in 2026?

Spring leaf-out near 13345 came on Apr 14 in 2026, 8 days earlier than the 1991–2020 average (Apr 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Greig, NY?

Long-day onions: the longest day near 13345 is 15 h 27 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).