USA Houston Weather in August — Climate Guide
August in Houston is low
August is low for Houston.
HURRICANE PEAK — Aug-Sep is hurricane season apex. Hurricane Harvey August 2017 dumped 1.5m of rain in 4 days. Buy travel insurance with hurricane coverage. 35°C + 74% humidity same as July. Lowest hotel rates but highest weather risk.
Travel score
Houston August Weather Stats
Avg High
35°C
Avg Low
25°C
Rainy Days
8
105mm total
Sunshine
9h
Daily avg
Humidity
74%
high
UV Index
10
Very high
Wind
12 km/h
Gusts 50
Sea Temp
30°C
warm
Crowds
Quiet
At attractions
August Sunrise & Sunset
Air Quality
PM2.5
30 μg/m³
PM10
55 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
42°C
Nighttime
26°C
Humidity and wind affect how the actual temperature feels.
Wind
12 km/h
Max gust 50 km/h
Activities Recommended for August
August Travel Pros & Cons
Pros
- Hotels lowest summer rates
- Astros pennant race + home games
- Galveston still warm
- Fewer crowds
Cons
- HURRICANE PEAK SEASON (Harvey 2017 precedent)
- 35°C + 74% humidity feels like 42°C
- Frequent flight delays from tropical storms
August Events & Festivals
- Hurricane season peak Aug-Sep (Hurricane Harvey 2017 precedent)
- Astros pennant race
- Texas back-to-school
Houston in August — Full Picture
HURRICANE PEAK — Aug-Sep is hurricane season apex. Hurricane Harvey August 2017 dumped 1.5m of rain in 4 days. Buy travel insurance with hurricane coverage. 35°C + 74% humidity same as July. Lowest hotel rates but highest weather risk.
What to Wear & What to Pack
Brutal heat + humidity. Like July.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
27.7°C
17°C
8.7/mo
Summer (Jun·Jul·Aug)
Current34.7°C
24.7°C
8/mo
Autumn (Sep·Oct·Nov)
27.7°C
17°C
8/mo
Winter (Dec·Jan·Feb)
19°C
9°C
8/mo
Houston Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 18° | 8° | 8d·90mm | 5h | 70% | 4 | Quiet | Low season | |
| 20° | 10° | 8d·80mm | 6h | 70% | 5 | Busy | Peak | |
| March (Best) | 24° | 13° | 8d·80mm | 7h | 70% | 7 | Busy | Peak |
| April (Best) | 28° | 17° | 9d·95mm | 8h | 70% | 9 | Moderate | Shoulder |
| 31° | 21° | 9d·130mm | 9h | 72% | 10 | Busy | Peak | |
| 34° | 24° | 9d·120mm | 10h | 73% | 11 | Busy | Shoulder | |
| 35° | 25° | 7d·95mm | 10h | 73% | 11 | Moderate | Shoulder | |
| 35° | 25° | 8d·105mm | 9h | 74% | 10 | Quiet | Low season | |
| 32° | 22° | 8d·130mm | 9h | 73% | 9 | Moderate | Shoulder | |
| October (Best) | 28° | 17° | 8d·110mm | 9h | 70% | 7 | Busy | Peak |
| November (Best) | 23° | 12° | 8d·90mm | 7h | 70% | 5 | Busy | Shoulder |
| 19° | 9° | 8d·100mm | 6h | 70% | 4 | Moderate | Shoulder |
View Other Months
Houston August Hotel Picks
Frequently Asked Questions
Is August a good time to visit Houston?
Houston in August is low. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Houston in August?
Houston August averages a high of 35°C and a low of 25°C.
Does it rain much in Houston in August?
Houston August averages 105mm of rainfall over about 8 rainy days.
What should I wear in Houston in August?
Brutal heat + humidity. Like July.
What time are sunrise and sunset in Houston in August?
Houston August sunrise is 06:45 and sunset is 20:00, with 13h 15min of daylight.
What's the air quality like in Houston in August?
Houston August air quality (AQI) averages 80, rated Moderate. PM2.5 averages 30μg/m³.
What activities are recommended in Houston in August?
In August, Houston is great for NASA Space Center (indoor), Astros games, Museum District AC.
Is August peak season in Houston?
Houston August crowds are quiet and prices are low season. You can travel relatively comfortably without long queues.
Best Months to Visit Houston
View Other Months
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.