Tekoa, WA 99033 Frost Dates
Frost dates for Tekoa, WA, ZIP 99033
Typically, the last spring freeze lands around 05/15, roughly 260 days out. The first fall frost typically arrives around 09/21, about 126 frost-free days later.
The USDA Plant Hardiness Zone Map puts Tekoa in Zone 6b (-5 to 0°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 6b around Tekoa has about 3 weeks 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.
How much risk comes with planting early here
05/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 06/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tekoa compares
At roughly 126 frost-free days, Tekoa places 38,697 of 40,283 ZIP codes in this dataset. Within WA, it ranks 645 of 700.
Learn more
zone vs. frost date explains why Zone 6b and Tekoa's frost date answer different questions, and the frost range explains how to read the range around Tekoa's dates instead of trusting one.