Kiana, AK 99749 Frost Dates
When can you plant in Kiana, AK?
The last spring frost here typically falls around 06/05, about 281 days from today. The first fall frost typically arrives around 09/24, about 110 frost-free days later.
Kiana sits in USDA Zone 2a (-50 to -45°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 4 weeks of growing season left in Kiana before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Kiana'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. 06/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kiana compares
Kiana's growing season runs about 110 days, ranking 39,513 of 40,283 US ZIP codes measured here, longest to shortest. Within AK, it ranks 176 of 269.
Learn more
zone vs. frost date covers why Zone 2a and Kiana's frost date answer different questions. the frost range covers how to read the range around Kiana's dates instead of trusting one.