Pine Bluffs, WY 82082 Frost Dates
Pine Bluffs, WY: when does the frost end?
Around 05/10 is the usual last spring frost, about 255 days away. Fall's first freeze usually shows up around 10/01, roughly 142 days after the last spring frost.
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 Pine Bluffs, not a forecast for this year.
Stretching the season past the first frost
With roughly 5 weeks until Pine Bluffs's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Pine Bluffs's last frost
05/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/24 and only about 1 year in 10 sees frost after that.
Pine Bluffs against the rest of the dataset
At roughly 142 frost-free days, Pine Bluffs places 36,767 of 40,283 ZIP codes in this dataset. Within WY, it ranks 19 of 192.
Learn more
Before leaning on 82082's figures: local microclimates explains what one yard in Pine Bluffs can differ from the 82082 normal, while zone vs. frost date explains why Zone 5a and Pine Bluffs's frost date answer different questions.