FrostDateCheck

South Ogden, UT 84403 Frost Dates

South Ogden, UT: when does the frost end?

Zone 6b

The last spring frost here typically falls around 04/22, about 237 days from today. Fall's first freeze usually shows up around 10/22, roughly 180 days after the last spring frost.

South Ogden 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 8 weeks until South Ogden's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around South Ogden's last frost

04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 and only about 1 year in 10 sees frost after that.

South Ogden against the rest of the dataset

South Ogden's growing season runs about 180 days, ranking 24,800 of 40,283 US ZIP codes measured here, longest to shortest. Within UT, it ranks 104 of 344.

Learn more

Before leaning on 84403's figures: zone vs. frost date explains why Zone 6b and South Ogden's frost date answer different questions, while the frost range explains how to read the range around South Ogden's dates instead of trusting one.