Wyoming, NY 14591 Frost Dates
14591, near Wyoming, NY: the frost window
Typically, the last spring freeze lands around 05/04, roughly 249 days out. Fall's first freeze usually shows up around 10/17, roughly 164 days after the last spring frost.
Zone 6a (-10 to -5°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 Wyoming, not a forecast for this year.
Stretching the season past the first frost
Wyoming's growing season runs out in roughly 7 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 Wyoming's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.
Wyoming against the rest of the dataset
At roughly 164 frost-free days, Wyoming places 31,156 of 40,283 ZIP codes in this dataset. Within NY, it ranks 932 of 1,951.
Learn more
Two guides worth reading on 14591: zone vs. frost date, on why Zone 6a and Wyoming's frost date answer different questions, and the frost range, on how to read the range around Wyoming's dates instead of trusting one.