Newdale, ID 83436 Frost Dates
Newdale, ID: when does the frost end?
Around 06/15 is the usual last spring frost, about 291 days away. Fall's first freeze usually shows up around 09/07, roughly 85 days after the last spring frost.
Newdale sits in USDA Zone 5a (-20 to -15°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 1 week until Newdale's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Newdale's last frost
06/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/29 and only about 1 year in 10 sees frost after that.
Newdale against the rest of the dataset
At roughly 85 frost-free days, Newdale places 39,993 of 40,283 ZIP codes in this dataset. Within ID, it ranks 280 of 320.
Learn more
Before leaning on 83436's figures: zone vs. frost date explains why Zone 5a and Newdale's frost date answer different questions, while the frost range explains how to read the range around Newdale's dates instead of trusting one.