Maupin, OR 97057 Frost Dates
Maupin, OR: when does the frost end?
Around 05/12 is the usual last spring frost, about 257 days away. Fall's first freeze usually shows up around 10/07, roughly 148 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Maupin in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 6 weeks until Maupin's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Maupin's last frost
05/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/25 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.
Maupin against the rest of the dataset
About 148 days separate Maupin's last and first frost, putting it 35,787 of 40,283 ZIP codes nationally. Within OR, it ranks 348 of 463.
Learn more
Before leaning on 97057's figures: zone vs. frost date explains why Zone 6b and Maupin's frost date answer different questions, while the frost range explains how to read the range around Maupin's dates instead of trusting one.