Scammon Bay, AK 99662 Frost Dates
Scammon Bay, AK: when does the frost end?
Around 06/05 is the usual last spring frost, about 281 days away. Fall's first freeze usually shows up around 09/03, roughly 88 days after the last spring frost.
Scammon Bay sits in USDA Zone 4b (-25 to -20°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 1 week until Scammon Bay's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Scammon Bay's last frost
06/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/26 and only about 1 year in 10 sees frost after that.
Scammon Bay against the rest of the dataset
About 88 days separate Scammon Bay's last and first frost, putting it 39,955 of 40,283 ZIP codes nationally. Within AK, it ranks 231 of 269.
Learn more
Before leaning on 99662's figures: zone vs. frost date explains why Zone 4b and Scammon Bay's frost date answer different questions, while the frost range explains how to read the range around Scammon Bay's dates instead of trusting one.