Upper Arlington, OH 43220 Frost Dates
Upper Arlington, OH: when does the frost end?
The last spring frost here typically falls around 04/22, about 237 days from today. Fall's first freeze usually shows up around 10/23, roughly 183 days after the last spring frost.
Upper Arlington sits in USDA Zone 6b (-5 to 0°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 8 weeks until Upper Arlington's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
Upper Arlington against the rest of the dataset
At roughly 183 frost-free days, Upper Arlington places 23,760 of 40,283 ZIP codes in this dataset. Within OH, it ranks 687 of 1,383.
Learn more
Before leaning on 43220's figures: the frost range explains how to read the range around Upper Arlington's dates instead of trusting one, while local microclimates explains what one yard in Upper Arlington can differ from the 43220 normal.