Dorrance, KS 67634 Frost Dates
Frost dates for Dorrance, KS, ZIP 67634
The last spring frost here typically falls around 04/22, about 237 days from today. The first fall frost typically arrives around 10/19, about 179 frost-free days later.
Dorrance sits in USDA Zone 6b (-5 to 0°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.
What to do before the first frost
Zone 6b around Dorrance has about 7 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.
Why 04/22 isn't a guarantee
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dorrance compares
Dorrance's growing season runs about 179 days, ranking 25,515 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 566 of 745.
Learn more
zone vs. frost date explains why Zone 6b and Dorrance's frost date answer different questions, and the frost range explains how to read the range around Dorrance's dates instead of trusting one.