Eagle, AK 99738 Frost Dates
Frost dates for Eagle, AK, ZIP 99738
Around 05/29 is the usual last spring frost, about 274 days away. The first fall frost typically arrives around 08/23, about 86 frost-free days later.
Zone 2b (-45 to -40°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 Eagle, not a forecast for this year.
What to do before the last frost
Zone 2b gardeners near Eagle have about 39 weeks left before the last frost — cover tender transplants on any night that dips close to freezing.
How much risk comes with planting early here
05/29 is the middle of 30 years of NOAA records, not a promise. Plant by 05/18 and you're betting against frost in roughly 9 years out of 10. 06/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Eagle compares
About 86 days separate Eagle's last and first frost, putting it 39,979 of 40,283 ZIP codes nationally. Within AK, it ranks 239 of 269.
Learn more
the frost range explains how to read the range around Eagle's dates instead of trusting one, and local microclimates explains what one yard in Eagle can differ from the 99738 normal.