Arlington, MN 55307 Frost Dates
Arlington, MN: when does the frost end?
Typically, the last spring freeze lands around 04/24, roughly 239 days out. Fall's first freeze usually shows up around 10/15, roughly 170 days after the last spring frost.
Arlington sits in USDA Zone 4b (-25 to -20°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 7 weeks until Arlington's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Arlington's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/08 and only about 1 year in 10 sees frost after that.
Arlington against the rest of the dataset
About 170 days separate Arlington's last and first frost, putting it 29,043 of 40,283 ZIP codes nationally. Within MN, it ranks 82 of 943.
Learn more
Before leaning on 55307's figures: zone vs. frost date explains why Zone 4b and Arlington's frost date answer different questions, while the frost range explains how to read the range around Arlington's dates instead of trusting one.