East Carbon, UT 84520 Frost Dates
East Carbon, UT: when does the frost end?
Around 05/05 is the usual last spring frost, about 250 days away. Fall's first freeze usually shows up around 10/15, roughly 159 days after the last spring frost.
East Carbon sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 7 weeks until East Carbon's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around East Carbon's last frost
05/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/26 and only about 1 year in 10 sees frost after that.
East Carbon against the rest of the dataset
East Carbon's growing season runs about 159 days, ranking 32,682 of 40,283 US ZIP codes measured here, longest to shortest. Within UT, it ranks 167 of 344.
Learn more
Before leaning on 84520's figures: zone vs. frost date explains why Zone 6b and East Carbon's frost date answer different questions, while the frost range explains how to read the range around East Carbon's dates instead of trusting one.