Spring Hill, KS 66083 Frost Dates
Frost dates for Spring Hill, KS, ZIP 66083
The last spring frost here typically falls around 04/09, about 224 days from today. The first fall frost typically arrives around 10/31, about 204 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 Spring Hill, not a forecast for this year.
What to do before the first frost
Zone 6b around Spring Hill has about 9 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 04/09 isn't a guarantee
04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/27 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Spring Hill compares
At roughly 204 frost-free days, Spring Hill places 16,541 of 40,283 ZIP codes in this dataset. Within KS, it ranks 46 of 745.
Learn more
zone vs. frost date explains why Zone 6b and Spring Hill's frost date answer different questions, and the frost range explains how to read the range around Spring Hill's dates instead of trusting one.