Toronto, KS 66777 Frost Dates
Frost dates for Toronto, KS, ZIP 66777
The last spring frost here typically falls around 04/10, about 225 days from today. The first fall frost typically arrives around 10/28, about 198 frost-free days later.
The USDA Plant Hardiness Zone Map puts Toronto 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
Zone 6b around Toronto 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.
How much risk comes with planting early here
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/26 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Toronto compares
About 198 days separate Toronto's last and first frost, putting it 18,545 of 40,283 ZIP codes nationally. Within KS, it ranks 196 of 745.
Learn more
local microclimates explains what one yard in Toronto can differ from the 66777 normal, and zone vs. frost date explains why Zone 6b and Toronto's frost date answer different questions.