Milford, UT 84751 Frost Dates
Milford, UT: when does the frost end?
Typically, the last spring freeze lands around 05/10, roughly 255 days out. Fall's first freeze usually shows up around 10/02, roughly 144 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Milford, not a forecast for this year.
Stretching the season past the first frost
With roughly 5 weeks until Milford's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Milford's last frost
05/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/01 and only about 1 year in 10 sees frost after that.
Milford against the rest of the dataset
At roughly 144 frost-free days, Milford places 36,394 of 40,283 ZIP codes in this dataset. Within UT, it ranks 212 of 344.
Learn more
Before leaning on 84751's figures: zone vs. frost date explains why Zone 6a and Milford's frost date answer different questions, while the frost range explains how to read the range around Milford's dates instead of trusting one.