When is the last frost in Yonkers, NY?

The average last spring frost (50% probability of 32°F) in Yonkers is around April 20, based on NOAA/NCEI 1991–2020 normals at the Dobbs Ferry-ardsley, NY station (4.8 mi away). Half of years it falls outside that date, so wait 1–2 weeks past it before setting out frost-tender plants.

When is the first fall frost in Yonkers?

The average first fall frost in Yonkers, NY is around October 26, giving roughly a 189-day frost-free growing season.

What planting zone is Yonkers, NY?

Yonkers is in USDA plant hardiness zone 7b (average annual extreme minimum temperature 5 to 10°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in Yonkers?

In Yonkers, NY the warmest month is July (avg high 85.6°F) and the coldest is January (avg low 23.1°F). It averages about 51.2″ of precipitation a year and 32.7″ of snow.

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Yonkers, NY Planting Calendar & Frost Dates

USDA hardiness zone 7b · ZIP 10701 · elevation 61′ · NOAA & USDA data

Yonkers is in USDA hardiness zone 7b (winters can dip to 5 to 10°F), with a growing season of about 189 days between the average last spring frost (April 20) and first fall frost (October 26). The warmest month is July (avg high 85.6°F); the coldest is January (avg low 23.1°F). It averages 51.2″ of precipitation a year and 32.7″ of snow, mostly mid-winter. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone

min temp 5 to 10°F

Last spring frost

April 20

avg (50% prob, 32°F)

First fall frost

October 26

avg (50% prob, 32°F)

Growing season

189 days

frost-free window

Warmest month

July

avg high 85.6°F

Month-by-month typical weather in Yonkers

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Dobbs Ferry-ardsley, NY (4.8 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)	Snow (in)
January	39.8	23.1	31.4	3.9	9.4
February	42.9	24.5	33.7	3.3	10.9
March	50.7	31	40.9	4.4	5.8
April	62.8	40.1	51.4	4.3	0.7
May	73	49.5	61.3	4.3	0
June	80.8	58.8	69.8	4.6	0
July	85.6	64.4	75	4.5	0
August	83.9	63.2	73.5	4.4	0
September	76.9	56.1	66.5	4.6	0
October	65.4	45.1	55.3	4.4	0
November	54.4	36	45.2	3.9	0.3
December	44.5	28.6	36.6	4.7	5.6

What to plant when in Yonkers

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: March 9 · Transplant out: April 27
Peppers	warm	Start seeds indoors: February 23 · Transplant out: May 4
Cucumbers	warm	Direct sow: April 27
Zucchini / squash	warm	Direct sow: April 27
Bush beans	warm	Direct sow: April 27
Sweet corn	warm	Direct sow: April 27
Basil	warm	Transplant out: April 27
Peas	cool	Sow (spring): March 16 · Sow (fall): August 31
Spinach	cool	Sow (spring): March 9 · Sow (fall): August 31
Lettuce	cool	Sow (spring): March 23 · Sow (fall): August 31
Kale	cool	Transplant (spring): March 30 · Sow (fall): August 17
Broccoli	cool	Transplant (spring): April 6
Carrots	cool	Sow (spring): March 30 · Sow (fall): August 17
Onions	cool	Transplant (spring): March 23
Potatoes	cool	Plant seed potatoes: April 6
Radishes	cool	Sow (spring): March 23 · Sow (fall): September 14

Dates are computed from Yonkers's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in New York

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Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Dobbs Ferry-ardsley, NY, 4.8 mi (confidence: high). Monthly weather normals: Dobbs Ferry-ardsley, NY, 4.8 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.