Galena, AK 99741 Frost Dates
When can you plant in Galena, AK?
The last spring frost here typically falls around 05/18, about 263 days from today. The first fall frost typically arrives around 09/08, about 111 frost-free days later.
Galena sits in USDA Zone 1b (-55 to -50°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.
What to do before the first frost
About 2 weeks of growing season left in Galena before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/18 is the middle of 30 years of NOAA records, not a promise. Plant by 05/08 and you're betting against frost in roughly 9 years out of 10. 06/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Galena compares
Galena's growing season runs about 111 days, ranking 39,474 of 40,283 US ZIP codes measured here, longest to shortest. Within AK, it ranks 155 of 269.
Learn more
local microclimates covers what one yard in Galena can differ from the 99741 normal. zone vs. frost date covers why Zone 1b and Galena's frost date answer different questions.