Tenakee Springs, AK 99841 Frost Dates
Tenakee Springs, AK: when does the frost end?
Around 05/09 is the usual last spring frost, about 254 days away. Fall's first freeze usually shows up around 10/04, roughly 145 days after the last spring frost.
Tenakee Springs 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 Tenakee Springs's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 07/04 and only about 1 year in 10 sees frost after that.
Tenakee Springs against the rest of the dataset
Tenakee Springs's growing season runs about 145 days, ranking 36,305 of 40,283 US ZIP codes measured here, longest to shortest. Within AK, it ranks 62 of 269.
Learn more
Before leaning on 99841's figures: the frost range explains how to read the range around Tenakee Springs's dates instead of trusting one, while local microclimates explains what one yard in Tenakee Springs can differ from the 99841 normal.