Ansonia, OH 45303 Frost Dates
Ansonia, OH: when does the frost end?
Around 04/21 is the usual last spring frost, about 236 days away. Fall's first freeze usually shows up around 10/20, roughly 180 days after the last spring frost.
Zone 6a (-10 to -5°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 Ansonia, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Ansonia's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Ansonia's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Ansonia against the rest of the dataset
At roughly 180 frost-free days, Ansonia places 24,947 of 40,283 ZIP codes in this dataset. Within OH, it ranks 791 of 1,383.
Learn more
Before leaning on 45303's figures: local microclimates explains what one yard in Ansonia can differ from the 45303 normal, while zone vs. frost date explains why Zone 6a and Ansonia's frost date answer different questions.