Houston Weather in August
Thinking of visiting Houston in August? Expect extremely high temperatures reaching 35°C (95°F) during the day, dropping to 25°C (77°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Houston in August
Typically around 14 days of rainfall are expected, averaging 148 mm (5.8 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Houston in August
Expect highs of 35°C (95°F) in Houston in August, with nights dropping to around 25°C (77°F). For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning. Although these are the average temperatures, expect warmer days occasionally. Wear cool clothing and stay hydrated to manage the heat.
Sunshine in Houston in August
Expect a lot of sunshine this month, with about 270 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Houston in August
August has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.August in Houston can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Houston's climate page.
Houston Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
35°C (95°F)
Chance of Rain
45%
Precipitation
148 mm (5.8 in)
Rainy days
14 days
Humidity
75%
Windspeed
3 m/s (6 knots)
Sunshine
270 hours
Percentage Sunshine
66%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Houston typically stay consistent throughout August, with daily highs averaging around 35°C (95°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Houston in August
Browse day-by-day weather records for Houston spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Houston historical weather extremes in August
Based on 49 years of weather observations in Houston between 1976 and 2025, these are the recorded extremes.
- The warmest day in August was on August 27, 2011, with a maximum of 44°C (111°F).
- The lowest daytime temperature in August was 23°C (73°F), recorded on August 30, 1996.
- Nighttime temperatures dropped to 16°C (61°F) on August 17, 1992, marking the coldest August night on record.
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
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What to Wear in Houston in August
Get ready for hot weather in August! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Houston in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Houston's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Houston climate overview or explore weather in the United States of America.
