Houston Weather
A month-by-month look at temperature, rainfall and what to pack in Houston. The annual average is 27°C high / 17°C low — hottest in July (35°C) and coldest in January (8°C).
Houston Weather at a Glance
As of 2026A quick summary of Houston's year-round climate and the best time to visit.
- Annual average
- 27° / 17°
- Best time to visit
- March, October, November
- Hottest month
- July (35°C)
- Coldest month
- January (8°C)
- Wettest month
- May (130mm)
- Driest month
- February (80mm)
As of 2026, Houston's weather averages 27°C high / 17°C low across the year, and the best time to visit for stable temperatures, rainfall and crowds is March, October, November. The hottest month is July (35°C), the coldest is January (8°C), and the wettest is May (130mm).
When is the best time to visit Houston?
BEST MONTH — 24°C ideal + Texas bluebonnet wildflowers along highways + Rodeo continues + spring break families. Hotels surge during Rodeo final weekend. NASA + Museum District peak weather.
BEST MONTH WITH MARCH — 28°C ideal + Astros playoff drama + Texans NFL + Day of the Dead. Hotels surge if Astros advance to World Series (late Oct-early Nov). Day of the Dead at MFAH + Talento Bilingüe is canonical.
Ideal weather + Texans NFL + possible Astros World Series. Thanksgiving week (4th Thu Nov) — hotels +40-60% Wed-Sun, restaurants closed Thursday. Bayou City Art Festival continues.
What is Houston weather like month by month?
Tap any month for a detailed guide with what to wear, sunrise/sunset and air quality.
| Month | High/Low | Rain | Rainy days | Crowds | |
|---|---|---|---|---|---|
| January | 18° / 8° | 90mm | 8 | Quiet | Details → |
| February | 20° / 10° | 80mm | 8 | Busy | Details → |
| March | 24° / 13° | 80mm | 8 | Busy | Details → |
| April | 28° / 17° | 95mm | 9 | Moderate | Details → |
| May | 31° / 21° | 130mm | 9 | Busy | Details → |
| June | 34° / 24° | 120mm | 9 | Busy | Details → |
| July | 35° / 25° | 95mm | 7 | Moderate | Details → |
| August | 35° / 25° | 105mm | 8 | Quiet | Details → |
| September | 32° / 22° | 130mm | 8 | Moderate | Details → |
| October | 28° / 17° | 110mm | 8 | Busy | Details → |
| November | 23° / 12° | 90mm | 8 | Busy | Details → |
| December | 19° / 9° | 100mm | 8 | Moderate | Details → |
What should you wear in Houston?
Warm spring. T-shirts + light layers + rain jacket.
Brutal heat + humidity. T-shirts + shorts + heavy AC layers.
Pleasant fall. T-shirts + light jacket evenings.
Mild. Long sleeves + light jacket for cool mornings.
Houston Weather FAQ
What is the best time to visit Houston? +
For weather, March, October, November are the most comfortable months. Highs sit around 24°C with relatively stable rainfall and crowds.
What are the hottest and coldest months in Houston? +
The hottest month is July with an average high of 35°C, and the coldest is January with an average low of 8°C. The annual average is 27°C high / 17°C low.
When does it rain most in Houston? +
The wettest month is May (130mm over about 9 rainy days) and the driest is February (80mm). Total annual rainfall is roughly 1225mm.
What should I pack for Houston? +
Spring (Mar–May) averages 28/17°C — Warm spring. T-shirts + light layers + rain jacket. Summer (Jun–Aug) averages 35/25°C — Brutal heat + humidity. T-shirts + shorts + heavy AC layers. Autumn (Sep–Nov) averages 28/17°C — Pleasant fall. T-shirts + light jacket evenings. Winter (Dec–Feb) averages 19/9°C — Mild. Long sleeves + light jacket for cool mornings.
What is the weather in Houston this month (June)? +
June averages 34°C high / 24°C low with 120mm rainfall over about 9 rainy days. Crowds are busy and prices are moderate.
Keep Planning Your Houston Trip
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.