Rush Valley, UT 84069 Frost Dates
Frost dates for Rush Valley, UT, ZIP 84069
The last spring frost here typically falls around 05/15, about 260 days from today. The first fall frost typically arrives around 10/05, about 142 frost-free days later.
The USDA Plant Hardiness Zone Map puts Rush Valley 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 Rush Valley 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 Rush Valley's last frost
05/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/27 and you're betting against frost in roughly 9 years out of 10. 06/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rush Valley compares
About 142 days separate Rush Valley's last and first frost, putting it 36,791 of 40,283 ZIP codes nationally. Within UT, it ranks 217 of 344.
Learn more
local microclimates explains what one yard in Rush Valley can differ from the 84069 normal, and zone vs. frost date explains why Zone 6a and Rush Valley's frost date answer different questions.