Frost dates / New York / Syracuse

Frost dates in Syracuse, NY

The station on this page is SYRACUSE HANCOCK INTL AP, NY US (USW00014771), 5.2 miles from the city point. Population in the Census 2024 estimate is 146,097.

Zone 6aUSDA average annual extreme minimum -10°F to -5°F, from ZIP 13202 (0.4 miles from the city point used on this page).

Median last 32°F is April 29. Median first 32°F is October 19. The 50% growing-season length is 173 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

Probability	Date	How to read it
90%	April 16	Earlier date. A last 32°F on or after this day is common.
50%	April 29	Median.
10%	May 13	Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

Probability	Date	How to read it
10%	October 2	Earlier date. A first 32°F on or before this day is uncommon.
50%	October 19	Median.
90%	November 4	Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this long	Days
10%	193
50%	173
90%	152

28°F threshold

	10%	50%	90%
Last, on or after	April 30	April 16	April 4
First, on or before	October 16	November 2	November 16
Season at least	218 days	200 days	178 days

36°F threshold

	10%	50%	90%
Last, on or after	May 23	May 8	April 26
First, on or before	September 24	October 5	October 21
Season at least	168 days	149 days	131 days

Station SYRACUSE HANCOCK INTL AP, NY US (USW00014771). Completeness flag S, 30 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 125.9 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Planting calendar for Syracuse · Zone 6a

Check a crop against this station

Syracuse, NY

Zone 6aAverage annual extreme minimum -10°F to -5°F

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

New York. Nearest qualified station: SYRACUSE HANCOCK INTL AP, NY US (USW00014771), 5.2 miles. Median last 32°F April 29. Median first 32°F October 19. The 50% growing-season length is 173 days.

Open the ZIP page · Crop guides for New York

32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	May 13	April 29	April 16
First 32°F on or before	October 2	October 19	November 4

Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

A wall calendar surrounded by vegetables, herbs, seed packets, and watering cans.

Planting calendar

Windows below are from Cornell University, Cornell Vegetables, Vegetable planting dates for Upstate New York, retrieved 2026-10-10. It’s based on areas with last spring frost around May 20 and first fall frost around October 1. Dates below are the outdoor ranges printed in that table, not a conversion into weeks before frost.

Crop

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