FrostDateCheck

West Milton, OH 45383 Frost Dates

45383, near West Milton, OH: the frost window

Zone 6a

Around 04/16 is the usual last spring frost, about 231 days away. Fall's first freeze usually shows up around 10/28, roughly 194 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 West Milton, not a forecast for this year.

Stretching the season past the first frost

West Milton's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around West Milton's last frost

04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.

West Milton against the rest of the dataset

About 194 days separate West Milton's last and first frost, putting it 19,480 of 40,283 ZIP codes nationally. Within OH, it ranks 166 of 1,383.

Learn more

Two guides worth reading on 45383: the frost range, on how to read the range around West Milton's dates instead of trusting one, and local microclimates, on what one yard in West Milton can differ from the 45383 normal.