Sigurd, UT 84657 Frost Dates
Sigurd, UT: when does the frost end?
The last spring frost here typically falls around 05/21, about 266 days from today. Fall's first freeze usually shows up around 09/24, roughly 125 days after the last spring frost.
Sigurd sits in USDA Zone 6a (-10 to -5°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 4 weeks until Sigurd's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Sigurd's last frost
05/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/07 and only about 1 year in 10 sees frost after that.
Sigurd against the rest of the dataset
Sigurd's growing season runs about 125 days, ranking 38,792 of 40,283 US ZIP codes measured here, longest to shortest. Within UT, it ranks 269 of 344.
Learn more
Before leaning on 84657's figures: local microclimates explains what one yard in Sigurd can differ from the 84657 normal, while zone vs. frost date explains why Zone 6a and Sigurd's frost date answer different questions.