Humble, TX 77345 Frost Dates
Humble, TX: when does the frost end?
The last spring frost here typically falls around 02/13, about 169 days from today. Fall's first freeze usually shows up around 12/09, roughly 300 days after the last spring frost.
Zone 9b (25 to 30°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 Humble, not a forecast for this year.
Stretching the season past the first frost
With roughly 15 weeks until Humble'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
02/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/12 and only about 1 year in 10 sees frost after that.
Humble against the rest of the dataset
Humble's growing season runs about 300 days, ranking 4,098 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 428 of 2,558.
Learn more
Before leaning on 77345's figures: zone vs. frost date explains why Zone 9b and Humble's frost date answer different questions, while the frost range explains how to read the range around Humble's dates instead of trusting one.