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Hydration
Drink water constantly. In Houston humidity, you sweat heavily even standing still. Drink 3–4 liters of water per day minimum on outdoor days. Add electrolytes (Liquid IV, Nuun tablets, sports drinks) — plain water isn't enough when you're sweating this much.
→ Carry a large reusable water bottle everywhere. Refill at air-conditioned shops often.
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Sun Protection
SPF 50+ sunscreen is mandatory, not optional. Apply 20 minutes before going outside. Reapply every 2 hours when outdoors. Light UPF-rated long sleeves protect better than sunscreen on extended outdoor days. A wide-brim hat changes your experience dramatically.
→ Sunscreen at HEB is much cheaper than the airport or tourist shops.
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Clothing
Wear lightweight, moisture-wicking synthetic fabrics (not cotton). Light colors reflect heat. NRG Stadium is fully air-conditioned — bring a light layer for inside. You'll want light clothing for the outdoor approach and a layer for the cold interior.
→ A light jacket in your clear bag keeps you comfortable in the intensely air-conditioned stadium.
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Mosquitoes
Houston is a Gulf Coast city with standing water everywhere — mosquitoes are a real presence, especially at dusk and dawn. DEET-based insect repellent (30%+) is effective. If you're dining outdoors or near water, apply repellent. West Nile is rare but present in the region.
→ Mosquitoes don't enter air-conditioned spaces. The threat is highest in parks and near bayous at dusk.
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Afternoon Thunderstorms
Houston's Gulf moisture fuels powerful afternoon thunderstorms, especially from 3–7pm. These typically move through quickly (30–60 minutes) but can be severe. A small packable umbrella is worth having. Lightning in Houston is serious — seek shelter immediately if you hear thunder.
→ Check the weather app each morning. Most storms build between 2pm and 5pm.
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Getting Around
Houston is one of America's most car-dependent cities, but for World Cup visitors, the METRORail Red Line handles the most important route (Downtown ↔ NRG Stadium). Rideshare (Uber/Lyft) covers everything else. Avoid renting a car unless doing day trips — parking and traffic near match venues is brutal.
→ Get the METRO app and a Q Card for easy transit. Use Uber for areas without rail.
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Health & Medical
Houston's Texas Medical Center is the world's largest medical complex — if you need medical care, you're in the right city. For minor issues, CVS and Walgreens pharmacies are everywhere and have pharmacists available without appointments. US healthcare is expensive — international visitors should have travel health insurance.
→ Emergency: 911. Non-emergency police: (713) 884-3131. Urgent care clinics are cheaper than ERs for minor issues.
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Safety
Houston is a large city with significant variation by neighborhood. Downtown, Midtown, Montrose, the Heights, and the Galleria area are safe for tourists. Avoid unfamiliar areas late at night. Don't leave valuables visible in parked cars. Use normal big-city awareness and you'll be completely fine.
→ The areas this guide covers (Downtown, Midtown, Montrose, Medical Center) are all visitor-friendly.
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Cell Service & eSIM
Airalo and T-Mobile offer eSIM plans for international visitors — activate before arrival. AT&T and T-Mobile have the best Houston coverage. You need a working US number and data plan for Uber, Google Maps, the FIFA app, and tickets. Don't rely solely on hotel WiFi.
→ Activate your
US eSIM on your home WiFi before you land. Much easier than at the airport.
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Tipping Culture
Tipping is mandatory in American service culture — not a bonus. 18–22% at restaurants, 10–15% for rideshare. Budget 20% on top of every restaurant bill. Not tipping is considered a serious social offense. Texas has 8.25% sales tax on top of menu prices.
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Heat Illness Warning
Heat exhaustion and heat stroke are real risks in Houston summer. Signs: heavy sweating, weakness, cold/pale skin, weak pulse, nausea. If you or someone shows these signs — get to AC immediately, give water, call 911 if symptoms worsen. Never leave children or pets in a parked car — temperatures inside reach 150°F+.
→ Prioritize shade, hydration, and AC breaks every 45–60 minutes on outdoor days.
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Language
English is the primary language. Houston has the most diverse population of any US city — Spanish, Chinese, Vietnamese, and many other languages are widely spoken in relevant neighborhoods (Bellaire/Asiatown, East End). You'll find menus and staff in multiple languages throughout the city.
→ Houston is genuinely one of the most welcoming cities in the world for international visitors.