Tamaqua, PA 18252 Frost Dates
18252, near Tamaqua, PA: the frost window
Around 04/30 is the usual last spring frost, about 245 days away. Fall's first freeze usually shows up around 10/22, roughly 175 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Tamaqua in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Tamaqua'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.
Why 04/30 isn't a guarantee
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Tamaqua against the rest of the dataset
About 175 days separate Tamaqua's last and first frost, putting it 26,865 of 40,283 ZIP codes nationally. Within PA, it ranks 1,130 of 2,088.
Learn more
Two guides worth reading on 18252: local microclimates, on what one yard in Tamaqua can differ from the 18252 normal, and zone vs. frost date, on why Zone 6b and Tamaqua's frost date answer different questions.