Weather in Houston, Texas
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 11:45 AM
- Moonset
- 1:29 AM
- In sign
- ♉︎ Taurus
Roses open on the Piedmont edge
Houston at a glance
- Today vs. normal: NaN°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.
ZIP codes in Houston
- 77069
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