FrostDateCheck

Leamington, UT 84638 Frost Dates

Frost dates for Leamington, UT, ZIP 84638

Zone 6a

Around 05/15 is the usual last spring frost, about 260 days away. The first fall frost typically arrives around 10/01, about 137 frost-free days later.

The USDA Plant Hardiness Zone Map puts Leamington 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 Leamington has about 5 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 Leamington's last frost

05/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 06/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Leamington compares

About 137 days separate Leamington's last and first frost, putting it 37,585 of 40,283 ZIP codes nationally. Within UT, it ranks 231 of 344.

Learn more

local microclimates explains what one yard in Leamington can differ from the 84638 normal, and zone vs. frost date explains why Zone 6a and Leamington's frost date answer different questions.