Chignik, AK 99648 Frost Dates
Chignik, AK: when does the frost end?
The last spring frost here typically falls around 05/11, about 256 days from today. Fall's first freeze usually shows up around 10/18, roughly 160 days after the last spring frost.
Chignik sits in USDA Zone 6b (-5 to 0°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 7 weeks until Chignik's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Chignik's last frost
05/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/25 and only about 1 year in 10 sees frost after that.
Chignik against the rest of the dataset
Chignik's growing season runs about 160 days, ranking 32,553 of 40,283 US ZIP codes measured here, longest to shortest. Within AK, it ranks 34 of 269.
Learn more
Before leaning on 99648's figures: zone vs. frost date explains why Zone 6b and Chignik's frost date answer different questions, while the frost range explains how to read the range around Chignik's dates instead of trusting one.