Anvik, AK 99558 Frost Dates
Anvik, AK: when does the frost end?
Typically, the last spring freeze lands around 05/25, roughly 270 days out. Fall's first freeze usually shows up around 09/03, roughly 101 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 Anvik, not a forecast for this year.
Stretching the season past the first frost
With roughly 1 week until Anvik's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Anvik's last frost
05/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/11 and only about 1 year in 10 sees frost after that.
Anvik against the rest of the dataset
At roughly 101 frost-free days, Anvik places 39,699 of 40,283 ZIP codes in this dataset. Within AK, it ranks 194 of 269.
Learn more
Before leaning on 99558's figures: zone vs. frost date explains why Zone 3b and Anvik's frost date answer different questions, while the frost range explains how to read the range around Anvik's dates instead of trusting one.