Wellsville, UT 84339 Frost Dates
Wellsville, UT: when does the frost end?
The last spring frost here typically falls around 05/12, about 257 days from today. Fall's first freeze usually shows up around 09/28, roughly 138 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Wellsville in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 4 weeks until Wellsville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Wellsville's last frost
05/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/29 and only about 1 year in 10 sees frost after that.
Wellsville against the rest of the dataset
About 138 days separate Wellsville's last and first frost, putting it 37,386 of 40,283 ZIP codes nationally. Within UT, it ranks 224 of 344.
Learn more
Before leaning on 84339's figures: the frost range explains how to read the range around Wellsville's dates instead of trusting one, while local microclimates explains what one yard in Wellsville can differ from the 84339 normal.