FrostDateCheck

Carey, ID 83320 Frost Dates

Carey, ID: when does the frost end?

Zone 6a

The last spring frost here typically falls around 06/16, about 292 days from today. Fall's first freeze usually shows up around 09/09, roughly 85 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Carey 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 2 weeks until Carey's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Carey's last frost

06/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 06/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/30 and only about 1 year in 10 sees frost after that.

Carey against the rest of the dataset

Carey's growing season runs about 85 days, ranking 39,989 of 40,283 US ZIP codes measured here, longest to shortest. Within ID, it ranks 277 of 320.

Learn more

Before leaning on 83320's figures: the frost range explains how to read the range around Carey's dates instead of trusting one, while local microclimates explains what one yard in Carey can differ from the 83320 normal.