Lovell, WY 82431 Frost Dates
When can you plant in Lovell, WY?
The last spring frost here typically falls around 05/09, about 254 days from today. The first fall frost typically arrives around 09/29, about 142 frost-free days later.
The USDA Plant Hardiness Zone Map puts Lovell in Zone 5a (-20 to -15°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
About 5 weeks of growing season left in Lovell before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/09 isn't a guarantee
05/09 is the middle of 30 years of NOAA records, not a promise. Plant by 04/27 and you're betting against frost in roughly 9 years out of 10. 05/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lovell compares
At roughly 142 frost-free days, Lovell places 36,745 of 40,283 ZIP codes in this dataset. Within WY, it ranks 18 of 192.
Learn more
local microclimates covers what one yard in Lovell can differ from the 82431 normal. zone vs. frost date covers why Zone 5a and Lovell's frost date answer different questions.