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Frost dates for Gouverneur 3 Nw, New York

Half of years have their last spring frost by May 14 — but 1 year in 10 still frosts after May 30.

Every other site gives you one date. A frost date is not a date: it is a percentile from 30 years of records at a nearby weather station, and planting to the median means losing the crop in half of years. Both numbers are below, so you can choose the risk yourself.

The odds

Last spring frost

Frost this late in 1 year in 10
May 30
1 year in 5
May 24
3 years in 10
May 20
2 years in 5
May 17
Half of years (the median)
May 14

First fall freeze

Freeze this early in 1 year in 10
September 12
1 year in 5
September 16
3 years in 10
September 20
2 years in 5
September 24
Half of years (the median)
September 26
Growing season
about 134 days
Hardiness zones nearby
4b, 5a, 5b

Where these numbers come from

NOAA NCEI 1991–2020 Climate Normals, station Gouverneur 3 Nw (USC00303346), at 44.35, -75.51. These are that station's own records, unshifted. The further your garden is from it, the less exactly they describe your ground — the planner resolves the nearest station to your own ZIP and lowers its confidence with distance, rather than presenting one number as if it were measured in your yard.

Cold air also pools in low ground on the clear, still nights when frost happens, so a hollow can freeze while a slope a hundred metres away does not. No table can know that about your garden. Your own logged frosts eventually can.

ZIP codes nearest this station

13607, 13608, 13614, 13622, 13623, 13624, 13630, 13633, 13635, 13637, 13640, 13641, 13642, 13646, 13648, 13652, 13656, 13673, 13675, 13677, 13679, 13681, 13691, 13692.

What can I plant here, and when? →

Nearby stations

The nearest stations, and how their last-frost dates compare — the frost gradient across your area, which no single station shows.

Other stations in New York.

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