Burlington, PA 18814 Frost Dates
18814, near Burlington, PA: the frost window
The last spring frost here typically falls around 05/02, about 247 days from today. Fall's first freeze usually shows up around 10/15, roughly 165 days after the last spring frost.
Burlington sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Burlington'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 Burlington's last frost
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Burlington against the rest of the dataset
Burlington's growing season runs about 165 days, ranking 30,768 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,553 of 2,088.
Learn more
Two guides worth reading on 18814: the frost range, on how to read the range around Burlington's dates instead of trusting one, and local microclimates, on what one yard in Burlington can differ from the 18814 normal.