FrostDateCheck

Montgomery, TX 77316 Frost Dates

Montgomery, TX: when does the frost end?

Zone 9a

Around 02/24 is the usual last spring frost, about 180 days away. Fall's first freeze usually shows up around 12/02, roughly 285 days after the last spring frost.

Montgomery sits in USDA Zone 9a (20 to 25°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 14 weeks until Montgomery's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Montgomery's last frost

02/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/17 and only about 1 year in 10 sees frost after that.

Montgomery against the rest of the dataset

Montgomery's growing season runs about 285 days, ranking 4,645 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 708 of 2,558.

Learn more

Before leaning on 77316's figures: the frost range explains how to read the range around Montgomery's dates instead of trusting one, while local microclimates explains what one yard in Montgomery can differ from the 77316 normal.