When is the last frost in Friendswood, TX?

The average last spring frost (50% probability of 32°F) in Friendswood is around January 31, based on NOAA/NCEI 1991–2020 normals at the Houston Clover Fld, TX station (3 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 Friendswood?

The average first fall frost in Friendswood, TX is around December 27, giving roughly a 328-day frost-free growing season.

What planting zone is Friendswood, TX?

Friendswood 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 Friendswood?

In Friendswood, TX the warmest month is August (avg high 92.3°F) and the coldest is January (avg low 45.7°F). It averages about 60.2″ of precipitation a year and 0.2″ of snow.

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Friendswood, TX Planting Calendar & Frost Dates

USDA hardiness zone 9b · ZIP 77546 · elevation 6′ · NOAA & USDA data

Friendswood is in USDA hardiness zone 9b (winters can dip to 25 to 30°F), with a growing season of about 328 days between the average last spring frost (January 31) and first fall frost (December 27). The warmest month is August (avg high 92.3°F); the coldest is January (avg low 45.7°F). It averages 60.2″ of precipitation a year and 0.2″ of snow, mostly mid-winter. 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

January 31

avg (50% prob, 32°F)

First fall frost

December 27

avg (50% prob, 32°F)

Growing season

328 days

frost-free window

Warmest month

August

avg high 92.3°F

Month-by-month typical weather in Friendswood

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Houston Nwso, TX (7.1 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)	Snow (in)
January	63.8	45.7	54.8	4.8	0
February	67.4	49.8	58.6	3	0
March	73	55.6	64.3	3.3	0
April	78.4	61.3	69.8	4.2	0
May	85	69.1	77	5.1	0
June	90	74.7	82.4	6.5	0
July	91.8	76	83.9	4.4	0
August	92.3	75.9	84.1	6.6	0
September	88.4	71.8	80.1	7.3	0
October	81.7	62.6	72.1	5.8	0
November	72.5	53.4	62.9	4.5	0
December	65.8	47.4	56.6	4.5	0.2

What to plant when in Friendswood

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: December 20 · Transplant out: February 7
Peppers	warm	Start seeds indoors: December 6 · Transplant out: February 14
Cucumbers	warm	Direct sow: February 7
Zucchini / squash	warm	Direct sow: February 7
Bush beans	warm	Direct sow: February 7
Sweet corn	warm	Direct sow: February 7
Basil	warm	Transplant out: February 7
Peas	cool	Sow (spring): December 27 · Sow (fall): November 1
Spinach	cool	Sow (spring): December 20 · Sow (fall): November 1
Lettuce	cool	Sow (spring): January 3 · Sow (fall): November 1
Kale	cool	Transplant (spring): January 10 · Sow (fall): October 18
Broccoli	cool	Transplant (spring): January 17
Carrots	cool	Sow (spring): January 10 · Sow (fall): October 18
Onions	cool	Transplant (spring): January 3
Potatoes	cool	Plant seed potatoes: January 17
Radishes	cool	Sow (spring): January 3 · Sow (fall): November 15

Dates are computed from Friendswood'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.

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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 Clover Fld, TX, 3 mi (confidence: high). Monthly weather normals: Houston Nwso, TX, 7.1 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.