Unionville, NY 10969 Frost Dates
10969, near Unionville, NY: the frost window
Around 04/20 is the usual last spring frost, about 235 days away. Fall's first freeze usually shows up around 10/20, roughly 181 days after the last spring frost.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Unionville, not a forecast for this year.
Stretching the season past the first frost
Unionville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Unionville's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Unionville against the rest of the dataset
About 181 days separate Unionville's last and first frost, putting it 24,674 of 40,283 ZIP codes nationally. Within NY, it ranks 598 of 1,951.
Learn more
Two guides worth reading on 10969: zone vs. frost date, on why Zone 6b and Unionville's frost date answer different questions, and the frost range, on how to read the range around Unionville's dates instead of trusting one.