Centralia, PA 17888 Frost Dates
When can you plant in Centralia, PA?
The last spring frost here typically falls around 04/27, about 242 days from today. The first fall frost typically arrives around 10/20, about 172 frost-free days later.
The USDA Plant Hardiness Zone Map puts Centralia in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 8 weeks of growing season left in Centralia before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Centralia compares
At roughly 172 frost-free days, Centralia places 28,561 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,417 of 2,088.
Learn more
local microclimates covers what one yard in Centralia can differ from the 17888 normal. zone vs. frost date covers why Zone 6b and Centralia's frost date answer different questions.