Hughes, AK 99745 Frost Dates
Frost dates for Hughes, AK, ZIP 99745
Around 05/29 is the usual last spring frost, about 274 days away. The first fall frost typically arrives around 08/28, about 89 frost-free days later.
The USDA Plant Hardiness Zone Map puts Hughes in Zone 1b (-55 to -50°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 1b around Hughes has about any day now 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 Hughes's last frost
05/29 is the middle of 30 years of NOAA records, not a promise. Plant by 05/15 and you're betting against frost in roughly 9 years out of 10. 06/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hughes compares
Hughes's growing season runs about 89 days, ranking 39,936 of 40,283 US ZIP codes measured here, longest to shortest. Within AK, it ranks 221 of 269.
Learn more
the frost range explains how to read the range around Hughes's dates instead of trusting one, and local microclimates explains what one yard in Hughes can differ from the 99745 normal.