Bovill, ID 83812 Frost Dates
83812, near Bovill, ID: the frost window
Typically, the last spring freeze lands around 05/16, roughly 261 days out. Fall's first freeze usually shows up around 09/23, roughly 128 days after the last spring frost.
Bovill 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
Bovill's growing season runs out in roughly 4 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Bovill's last frost
05/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/02 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.
Bovill against the rest of the dataset
Bovill's growing season runs about 128 days, ranking 38,579 of 40,283 US ZIP codes measured here, longest to shortest. Within ID, it ranks 185 of 320.
Learn more
Two guides worth reading on 83812: zone vs. frost date, on why Zone 6a and Bovill's frost date answer different questions, and the frost range, on how to read the range around Bovill's dates instead of trusting one.