FrostDateCheck

Ursa, IL 62376 Frost Dates

Frost dates for Ursa, IL, ZIP 62376

Zone 6a

The last spring frost here typically falls around 04/11, about 226 days from today. The first fall frost typically arrives around 10/23, about 194 frost-free days later.

The USDA Plant Hardiness Zone Map puts Ursa in Zone 6a (-10 to -5°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 6a around Ursa 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 Ursa's last frost

04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Ursa compares

Ursa's growing season runs about 194 days, ranking 19,569 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 364 of 1,548.

Learn more

local microclimates explains what one yard in Ursa can differ from the 62376 normal, and zone vs. frost date explains why Zone 6a and Ursa's frost date answer different questions.