Frost dates for Morrisville 6 Sw Hcn, New York
Half of years have their last spring frost by May 6 — but 1 year in 10 still frosts after May 21.
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 21
- 1 year in 5
- May 17
- 3 years in 10
- May 12
- 2 years in 5
- May 9
- Half of years (the median)
- May 6
First fall freeze
- Freeze this early in 1 year in 10
- September 28
- 1 year in 5
- October 1
- 3 years in 10
- October 4
- 2 years in 5
- October 6
- Half of years (the median)
- October 9
- Growing season
- about 156 days
- Hardiness zone nearby
- 5b
Where these numbers come from
NOAA NCEI 1991–2020 Climate Normals, station Morrisville 6 Sw Hcn (USC00305512), at 42.84, -75.73. 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
13032, 13035, 13037, 13051, 13061, 13072, 13104, 13122, 13124, 13134, 13155, 13163, 13310, 13313, 13314, 13328, 13332, 13334, 13346, 13355, 13362, 13364, 13402, 13408, 13409, 13418, 13421, 13425, 13460, 13461, 13464, 13476, 13477, 13480, 13484, 13485, 13801, 13832, 13844.
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.
- Brewerton Lock, NY — last frost by May 4
- Trenton Falls, NY — last frost by May 4
- E Sidney, NY — last frost by May 11
- Binghamton Hcn, NY — last frost by May 2
- Aurora Rsch Farm, NY — last frost by May 1
- Cherry Valley 2 Nne, NY — last frost by May 6
Other stations in New York.
- Delhi 2 Se, NY — last frost by May 19
- Elmira Corning Rgnl Ap, NY — last frost by May 9
- Delanson 2Ne, NY — last frost by May 7
- Liberty 1 Ne, NY — last frost by May 9
- E Jewett, NY — last frost by May 20
- Albany Ap Hcn, NY — last frost by April 27
- Rochester Gtr Intl Ap Hcn, NY — last frost by April 24
- Gouverneur 3 Nw, NY — last frost by May 14