FrostDateCheck

Howard, PA 16841 Frost Dates

Frost dates for Howard, PA, ZIP 16841

Zone 6b

The last spring frost here typically falls around 04/20, about 235 days from today. The first fall frost typically arrives around 10/26, about 187 frost-free days later.

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 Howard, not a forecast for this year.

What to do before the first frost

Zone 6b around Howard has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

How much risk comes with planting early here

04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Howard compares

At roughly 187 frost-free days, Howard places 22,523 of 40,283 ZIP codes in this dataset. Within PA, it ranks 616 of 2,088.

Learn more

the frost range explains how to read the range around Howard's dates instead of trusting one, and local microclimates explains what one yard in Howard can differ from the 16841 normal.