Kamiah, ID 83536 Frost Dates
Kamiah, ID: when does the frost end?
Around 04/29 is the usual last spring frost, about 244 days away. Fall's first freeze usually shows up around 10/05, roughly 163 days after the last spring frost.
Kamiah sits in USDA Zone 7a (0 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 5 weeks until Kamiah's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Kamiah's last frost
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.
Kamiah against the rest of the dataset
At roughly 163 frost-free days, Kamiah places 31,446 of 40,283 ZIP codes in this dataset. Within ID, it ranks 79 of 320.
Learn more
Before leaning on 83536's figures: local microclimates explains what one yard in Kamiah can differ from the 83536 normal, while zone vs. frost date explains why Zone 7a and Kamiah's frost date answer different questions.