Kemah, TX 77518 Frost Dates
When can you plant in Kemah, TX?
Typically, the last spring freeze lands around 01/31, roughly 156 days out. The first fall frost typically arrives around 12/14, about 317 frost-free days later.
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 Kemah, not a forecast for this year.
What to do before the first frost
About 15 weeks of growing season left in Kemah before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
01/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 and you're betting against frost in roughly 9 years out of 10. 12/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kemah compares
At roughly 317 frost-free days, Kemah places 3,384 of 40,283 ZIP codes in this dataset. Within TX, it ranks 268 of 2,558.
Learn more
local microclimates covers what one yard in Kemah can differ from the 77518 normal. zone vs. frost date covers why Zone 9b and Kemah's frost date answer different questions.