FrostDateCheck

Bellaire, MI 49615 Frost Dates

Bellaire, MI: when does the frost end?

Zone 5b

Around 05/23 is the usual last spring frost, about 268 days away. Fall's first freeze usually shows up around 10/02, roughly 131 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Bellaire in Zone 5b (-15 to -10°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 5 weeks until Bellaire's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Bellaire's last frost

05/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/06 and only about 1 year in 10 sees frost after that.

Bellaire against the rest of the dataset

About 131 days separate Bellaire's last and first frost, putting it 38,304 of 40,283 ZIP codes nationally. Within MI, it ranks 1,024 of 1,153.

Learn more

Before leaning on 49615's figures: local microclimates explains what one yard in Bellaire can differ from the 49615 normal, while zone vs. frost date explains why Zone 5b and Bellaire's frost date answer different questions.