🇲🇽 Mexico City vs 🇺🇸 San Antonio

Subtropical highland — mild year-round due to altitude, distinct wet season

Mexico City's high altitude (7,350 ft/2,240m) keeps temperatures surprisingly mild year-round. Days are typically 65–75°F; nights cool significantly. The rainy season (May–October) brings afternoon thunderstorms. Air quality is a year-round concern due to the enclosed valley.

San Antonio is America's seventh-largest city, a River Walk city where the San Antonio River provides a natural cooling corridor through the historic core. Summers are brutally hot with triple-digit temperatures common, but the city is large enough to span different microclimates from river valley to upland. Hurricane remnants from the Gulf occasionally bring tropical flooding.