Virgil, KS 66870 Frost Dates
Frost dates for Virgil, KS, ZIP 66870
Typically, the last spring freeze lands around 04/16, roughly 231 days out. The first fall frost typically arrives around 10/20, about 186 frost-free days later.
Virgil 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 Virgil 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.
The actual range around Virgil's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Virgil compares
Virgil's growing season runs about 186 days, ranking 22,986 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 402 of 745.
Learn more
zone vs. frost date explains why Zone 6b and Virgil's frost date answer different questions, and the frost range explains how to read the range around Virgil's dates instead of trusting one.