Van Tassell, WY 82242 Frost Dates
When can you plant in Van Tassell, WY?
The last spring frost here typically falls around 05/17, about 262 days from today. The first fall frost typically arrives around 09/28, about 132 frost-free days later.
Zone 5a (-20 to -15°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 Van Tassell, not a forecast for this year.
What to do before the first frost
About 4 weeks of growing season left in Van Tassell before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Van Tassell's last frost
05/17 is the middle of 30 years of NOAA records, not a promise. Plant by 05/05 and you're betting against frost in roughly 9 years out of 10. 05/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Van Tassell compares
At roughly 132 frost-free days, Van Tassell places 38,246 of 40,283 ZIP codes in this dataset. Within WY, it ranks 60 of 192.
Learn more
the frost range covers how to read the range around Van Tassell's dates instead of trusting one. local microclimates covers what one yard in Van Tassell can differ from the 82242 normal.