When does it freeze in Houston?

Houston's last spring frost typically occurs around mid-February, and the first fall frost arrives around mid-December.

What is the rainy season in Houston?

June receives the most rainfall with about 7.9 inches on average; the city gets roughly 54 inches annually.

What is the warmest month in Houston?

August typically brings the warmest weather, averaging about 86°F.

What is the coldest month in Houston?

January typically sees the coldest temperatures, averaging about 54°F.

When can I start a vegetable garden in Houston?

Cool-season crops (peas, lettuce) can be planted around the last spring frost (mid-February); warm-season crops (tomatoes, peppers) should wait until 1–2 weeks after.

How many rainy days does Houston get?

Houston averages about 55 rainy days per year.

What hardiness zone is Houston?

Houston's USDA hardiness zone depends on its lowest average winter temperature; use the USDA's online lookup with the city ZIP for the current zone designation.

Weather in Houston, Texas

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Houston, TX

Sunday, May 17 at 5:52 AM

Overcast

Feels like

83°

Humidity

89%

Wind

8 mph

Sunrise

6:27 AM

Sunset

8:08 PM

Houston, TX

Hour by hour · 24h

72°

12a

71°

70°

71°

74°

76°

78°

10a

81°

11a

84°

12p

85°

86°

88°

87°

85°

81°

79°

77°

75°

76°

10p

76°

11p

Houston, TX

7-day forecast

Today
May 17
Thunderstorm
20%
87°77°
Monday
May 18
Thunderstorm
24%
88°76°
Tuesday
May 19
Light Drizzle
55%
90°77°
Wednesday
May 20
Showers
58%
83°75°
Thursday
May 21
Light Showers
65%
86°74°
Friday
May 22
Drizzle
72%
86°74°
Saturday
May 23
Heavy Drizzle
61%
90°74°

Houston, TX

Next 24 hours · Mild now

Houston, TX

Anemometer · 24h winds · from true

From · True

139° · veering 15°

Direction

139°

Sustained

mph

Gust

mph

Peak 24h

avg 10

Beaufort · 3 · GENTLE BRZ

CALM

LIGHT AIR

1–3

LIGHT BRZ

4–7

GENTLE BRZ

8–12

MOD BRZ

13–18

FRESH BRZ

19–24

STRONG BRZ

25–31

NEAR GALE

32–38

24h · sust vs gust · mph

avg 10 · pk 32 @ 2:00a

−24h−18h−12h−6hnow

Houston, TX

Barometer · 24h pressure · mb

Pressure · mb

1008.3

+0.3 mb in 3h · steady · 29.78 inHg

Now

1008.3

+0.3

12h

-0.7

24h

-2.6

Regime · RAIN

STORM

RAIN

CHANGE

FAIR

DRY

24h · Pressure · mb

range 1008–1012

−24h−18h−12h−6hnow

Houston, TX

Air quality

AQI

Moderate

PM 2.5: 8.2 μg/m³
PM 10: 11.0 μg/m³
NO₂: 7.2 μg/m³
Ozone: 71.0 μg/m³
UV Index: 0.0 Low

Houston, TX

Almanac · Sunday, May 17

When the dew is on the grass, rain will never come to pass.

Civil dawn

11:03 AM

Sunrise

6:27 AM

Daylight

13h 41m

Sunset

8:08 PM

Civil dusk

1:35 AM

Planting note

Direct sow okra, melons, and southern peas. Thin carrot rows.

Houston, TX

The moon

New Moon

0% illuminated

Moonrise: 11:45 AM
Moonset: 1:29 AM
In sign: ♊︎ Gemini

Houston, TX

Microseason · 28 of 72

May 16–20

Roses open on the Piedmont edge

insect

Read this microseason across nine climate regions →

Houston at a glance

Today vs. normal: 5°F below the seasonal normal for this latitude
Last frost: February 14 (climatological average for this latitude)
Microseason: 28 of 72, May 16–20
Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Peak growing season

As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

Planting calendar

Month	Plant	Harvest
January	—	—
February	lettuce, peas, spinach, radishes	—
March	lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash	—
April	tomatoes, peppers, beans, squash	—
May	tomatoes, peppers, beans, squash	lettuce, peas, radishes
June	—	lettuce, peas, radishes
July	—	tomatoes, beans, summer squash
August	—	tomatoes, beans, summer squash
September	—	tomatoes, beans, summer squash
October	fall brassicas, garlic (overwinter), carrots	winter squash, tomatoes (last)
November	fall brassicas, garlic (overwinter), carrots	—
December	—	—

A year in weather

August brings Houston's warmest temperatures (~86°F mean) while January delivers the coldest (~54°F). Rainfall reaches its peak in June (7.9 inches) and drops to its lowest point in February (2.8 inches).

Month	Mean temp	Precip	Rainy days
January	54°	4.0″	5
February	58°	2.8″	4
March	64°	3.8″	4
April	70°	5.2″	3
May	77°	5.1″	4
June	83°	7.9″	6
July	85°	4.5″	5
August	86°	3.4″	5
September	81°	4.5″	5
October	72°	5.4″	4
November	62°	3.4″	4
December	56°	4.3″	5

Regional context

Houston belongs to a humid subtropical climate region — sharing similar temperature ranges, seasonal patterns, and growing conditions with other nearby cities in this zone.

Similar climates: Dallas, TX, San Antonio, TX, Austin, TX, Fort Worth, TX, McAllen, TX.

Naturalist notes

Late spring brings the return of Ruby-throated Hummingbirds to Houston area gardens, their metallic calls announcing the start of nesting season.

Cherokee roses bloom across Houston in April and May, their white petals opening as temperatures consistently warm past the final cool snaps.

Frequently asked

When does it freeze in Houston?: Houston's last spring frost typically occurs around mid-February, and the first fall frost arrives around mid-December.
What is the rainy season in Houston?: June receives the most rainfall with about 7.9 inches on average; the city gets roughly 54 inches annually.
What is the warmest month in Houston?: August typically brings the warmest weather, averaging about 86°F.
What is the coldest month in Houston?: January typically sees the coldest temperatures, averaging about 54°F.
When can I start a vegetable garden in Houston?: Cool-season crops (peas, lettuce) can be planted around the last spring frost (mid-February); warm-season crops (tomatoes, peppers) should wait until 1–2 weeks after.
How many rainy days does Houston get?: Houston averages about 55 rainy days per year.
What hardiness zone is Houston?: Houston's USDA hardiness zone depends on its lowest average winter temperature; use the USDA's online lookup with the city ZIP for the current zone designation.

Climate

Houston, Texas experiences a humid subtropical climate zone. January temperatures typically hover near 54°F while July averages 85°F — creating a 31°F seasonal swing.

Throughout the year, Houston receives about 54 inches of precipitation spread over roughly 55 rainy days.

Weather patterns here follow the city's latitude (29.8°N), proximity to large water bodies, and elevation — factors that determine what grows locally, when frost threatens, and how daily weather unfolds.

Roses open on the Piedmont edge

Houston at a glance

Right now in the garden

Planting calendar

A year in weather

Regional context

Naturalist notes

Frequently asked

Climate

Nearby in Texas

ZIP codes in Houston