FrostDateCheck

Cokeburg, PA 15330 Frost Dates

15330, near Cokeburg, PA: the frost window

Zone 6b

The last spring frost here typically falls around 04/18, about 233 days from today. Fall's first freeze usually shows up around 10/28, roughly 193 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 Cokeburg, not a forecast for this year.

Stretching the season past the first frost

Cokeburg's growing season runs out in roughly 9 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 Cokeburg's last frost

04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.

Cokeburg against the rest of the dataset

Cokeburg's growing season runs about 193 days, ranking 20,032 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 498 of 2,088.

Learn more

Two guides worth reading on 15330: zone vs. frost date, on why Zone 6b and Cokeburg's frost date answer different questions, and the frost range, on how to read the range around Cokeburg's dates instead of trusting one.