What planting zone is Texas City, TX?

Texas City is in USDA plant hardiness zone 10a (average annual extreme minimum temperature 30 to 35°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in Texas City?

In Texas City, TX the warmest month is August (avg high 92°F) and the coldest is January (avg low 48.9°F). It averages about 47.2″ of precipitation a year.

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Texas City, TX Planting Calendar & Frost Dates

USDA hardiness zone 10a · ZIP 77590 · elevation 2′ · NOAA & USDA data

Texas City sits in USDA zone 10a and is effectively frost-free — you can grow something outdoors year-round. The warmest month is August (avg high 92°F) and the coolest is January (avg low 48.9°F). Time plantings by the hot vs. cool season rather than by frost: grow heat-loving crops through the warm months and cool-season greens in the mild winter. The wettest month is September (6.7″).

Hardiness zone

10a

min temp 30 to 35°F

Frost

Frost-free

grow year-round

Warmest month

August

avg high 92°F

Month-by-month typical weather in Texas City

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Galveston Scholes Fld, TX (8.1 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)	Snow (in)
January	63.2	48.9	56	4.3	0
February	66.4	52.3	59.3	2.1	0
March	72	58.4	65.2	3	0
April	78	65	71.5	2.1	0
May	84	72.4	78.2	3	0
June	89.5	78.1	83.8	4.2	0
July	91.3	79.7	85.5	3.4	0
August	92	79.8	85.9	4.7	0
September	88.7	76.1	82.4	6.7	0
October	82.1	68.6	75.3	5.2	0
November	72.4	58.7	65.5	4.3	0
December	65.5	51.6	58.5	4.2	0.1

What to plant when in Texas City

Texas City is frost-free, so there's no last-frost date to time from. Grow cool-season crops (lettuce, peas, broccoli, carrots) in the cooler months and warm-season crops (tomatoes, peppers, beans, squash) through the warm season.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in Texas

Galveston, TX League City, TX Friendswood, TX Pearland, TX Baytown, TX Pasadena, TX Houston, TX Missouri City, TX

Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Galveston Scholes Fld, TX, 8.1 mi (confidence: high). Monthly weather normals: Galveston Scholes Fld, TX, 8.1 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.