Hudson, WY 82510 Frost Dates
Hudson, WY: when does the frost end?
Typically, the last spring freeze lands around 05/16, roughly 261 days out. Fall's first freeze usually shows up around 09/28, roughly 133 days after the last spring frost.
Hudson sits in USDA Zone 5a (-20 to -15°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.
Stretching the season past the first frost
With roughly 4 weeks until Hudson's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Hudson's last frost
05/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/31 and only about 1 year in 10 sees frost after that.
Hudson against the rest of the dataset
About 133 days separate Hudson's last and first frost, putting it 38,113 of 40,283 ZIP codes nationally. Within WY, it ranks 50 of 192.
Learn more
Before leaning on 82510's figures: local microclimates explains what one yard in Hudson can differ from the 82510 normal, while zone vs. frost date explains why Zone 5a and Hudson's frost date answer different questions.