Akiak, AK 99679 Frost Dates
Akiak, AK: when does the frost end?
Typically, the last spring freeze lands around 05/21, roughly 266 days out. Fall's first freeze usually shows up around 09/22, roughly 122 days after the last spring frost.
Zone 3b (-35 to -30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Akiak, not a forecast for this year.
Stretching the season past the first frost
With roughly 4 weeks until Akiak's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Akiak's last frost
05/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/02 and only about 1 year in 10 sees frost after that.
Akiak against the rest of the dataset
Akiak's growing season runs about 122 days, ranking 38,972 of 40,283 US ZIP codes measured here, longest to shortest. Within AK, it ranks 120 of 269.
Learn more
Before leaning on 99679's figures: the frost range explains how to read the range around Akiak's dates instead of trusting one, while local microclimates explains what one yard in Akiak can differ from the 99679 normal.