Frost dates for Plattsburgh, New York
In a typical year, Plattsburgh’s last spring frost lands around May 6 and the first fall frost around Oct 5, a growing season of about 152 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 5a.
Right now the typical frost season has arrived; planting waits for spring.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Apr 24 | Sep 23 |
| 50 percent | May 6 | Oct 5 |
| 90 percent | May 19 | Oct 22 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Plattsburgh is typically around 47°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
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Common questions
When is the last frost in Plattsburgh, New York?
Plattsburgh’s last spring frost falls around May 6 in a typical year. One year in ten it is done by April 24, and one year in ten frost holds on until May 19. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Plattsburgh?
The first fall frost arrives around October 5 in a typical year, as early as September 23 in an early year and as late as October 22 in a late one.
How long is the growing season in Plattsburgh?
About 152 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Plattsburgh in?
Plattsburgh is in USDA hardiness zone 5a under the 2023 USDA Plant Hardiness Zone Map.
Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.
Nearby cities
- Essex Junction, VT (around May 2 to Oct 11)
- Burlington, VT (around Apr 29 to Oct 15)
- South Burlington, VT (around Apr 29 to Oct 15)
- Massena, NY (around May 8 to Oct 1)
- Rutland, VT (around May 15 to Sep 27)
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