When is the last frost in Sugar Land, TX?

The average last spring frost (50% probability of 32°F) in Sugar Land is around February 2, based on NOAA/NCEI 1991–2020 normals at the Houston Sugarland Mem, TX station (2.9 mi away). Half of years it falls outside that date, so wait 1–2 weeks past it before setting out frost-tender plants.

When is the first fall frost in Sugar Land?

The average first fall frost in Sugar Land, TX is around December 11, giving roughly a 318-day frost-free growing season.

What planting zone is Sugar Land, TX?

Sugar Land is in USDA plant hardiness zone 9b (average annual extreme minimum temperature 25 to 30°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in Sugar Land?

In Sugar Land, TX the warmest month is August (avg high 94.4°F) and the coldest is January (avg low 42.9°F). It averages about 51.1″ of precipitation a year.

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Sugar Land, TX Planting Calendar & Frost Dates

USDA hardiness zone 9b · ZIP 77478 · elevation 26′ · NOAA & USDA data

Sugar Land is in USDA hardiness zone 9b (winters can dip to 25 to 30°F), with a growing season of about 318 days between the average last spring frost (February 2) and first fall frost (December 11). The warmest month is August (avg high 94.4°F); the coldest is January (avg low 42.9°F). It averages 51.1″ of precipitation a year. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone

min temp 25 to 30°F

Last spring frost

February 2

avg (50% prob, 32°F)

First fall frost

December 11

avg (50% prob, 32°F)

Growing season

318 days

frost-free window

Warmest month

August

avg high 94.4°F

Month-by-month typical weather in Sugar Land

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Sugar Land, TX (2.9 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)
January	64.1	42.9	53.5	3.9
February	68.2	48	58.1	3
March	74.1	54	64	3.6
April	80.8	59.7	70.2	3.6
May	86.9	68	77.4	4.3
June	91.6	74.2	82.9	5.7
July	94.2	76	85.1	3.8
August	94.4	76	85.2	5
September	89.9	71.1	80.5	5.3
October	83.3	61.8	72.5	5.2
November	72.6	52.6	62.6	4.4
December	65.9	45	55.4	3.3

What to plant when in Sugar Land

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: December 22 · Transplant out: February 9
Peppers	warm	Start seeds indoors: December 8 · Transplant out: February 16
Cucumbers	warm	Direct sow: February 9
Zucchini / squash	warm	Direct sow: February 9
Bush beans	warm	Direct sow: February 9
Sweet corn	warm	Direct sow: February 9
Basil	warm	Transplant out: February 9
Peas	cool	Sow (spring): December 29 · Sow (fall): October 16
Spinach	cool	Sow (spring): December 22 · Sow (fall): October 16
Lettuce	cool	Sow (spring): January 5 · Sow (fall): October 16
Kale	cool	Transplant (spring): January 12 · Sow (fall): October 2
Broccoli	cool	Transplant (spring): January 19
Carrots	cool	Sow (spring): January 12 · Sow (fall): October 2
Onions	cool	Transplant (spring): January 5
Potatoes	cool	Plant seed potatoes: January 19
Radishes	cool	Sow (spring): January 5 · Sow (fall): October 30

Dates are computed from Sugar Land's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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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

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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 — Houston Sugarland Mem, TX, 2.9 mi (confidence: high). Monthly weather normals: Sugar Land, TX, 2.9 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.