Savoonga, AK 99769 Frost Dates
Frost dates for Savoonga, AK, ZIP 99769
The last spring frost here typically falls around 06/05, about 281 days from today. The first fall frost typically arrives around 09/03, about 88 frost-free days later.
Zone 4a (-30 to -25°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 Savoonga, not a forecast for this year.
What to do before the first frost
Zone 4a around Savoonga has about 1 week left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Savoonga's last frost
06/05 is the middle of 30 years of NOAA records, not a promise. Plant by 05/20 and you're betting against frost in roughly 9 years out of 10. 06/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Savoonga compares
Savoonga's growing season runs about 88 days, ranking 39,949 of 40,283 US ZIP codes measured here, longest to shortest. Within AK, it ranks 225 of 269.
Learn more
the frost range explains how to read the range around Savoonga's dates instead of trusting one, and local microclimates explains what one yard in Savoonga can differ from the 99769 normal.