🇺🇸 Key West vs 🇲🇽 Mexico City

Weather Comparison

Current Weather Right Now

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Key West

light rain

81°F

Light Rain

Feels like 85°F

H 82°F / L 80°F

Humidity: 67%

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Mexico City

broken clouds

75°F

Broken Clouds

Feels like 74°F

H 75°F / L 75°F

Humidity: 31%

Climate Overview

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Key West

Key West at America's southernmost point has a true tropical climate — the only place in the continental US where it genuinely never gets cold. Surrounded by water on all sides, temperatures are moderated dramatically with winters in the 70s and summers rarely above 92°F. Hurricane risk is severe, and the Florida Straits can generate massive swells.

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Mexico City

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

Best monthsOctober, November, March, April
AvoidJune, July, August (rainy season, pollution)
Annual rain28 inches (720 mm) — mostly May–October

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.

Seasonal Comparison

Season🇺🇸 Key West🇲🇽 Mexico City

Key West vs Mexico City: Frequently Asked Questions

Does Key West or Mexico City have better weather?

Key West and Mexico City have very different climates. Key West at America's southernmost point has a true tropical climate — the only place in the contine Mexico City: Subtropical highland — mild year-round due to altitude, distinct wet season. The best city depends on your preferred season and temperature range.

When is the best time to visit Key West vs Mexico City?

Best time for Key West: spring and fall. Best time for Mexico City: October, November, March, April.

More Comparisons

🇺🇸 Key West Weather →🇲🇽 Mexico City Weather →