🇦🇷 Buenos Aires vs 🇺🇸 San Francisco

Weather Comparison

Current Weather Right Now

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Buenos Aires

clear sky

66°F

Clear Sky

Feels like 65°F

H 68°F / L 65°F

Humidity: 58%

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San Francisco

few clouds

73°F

Few Clouds

Feels like 73°F

H 77°F / L 70°F

Humidity: 46%

Climate Overview

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Buenos Aires

Humid subtropical — hot humid summers, mild winters, year-round rainfall

Best monthsMarch, April, October, November
AvoidJanuary, February (extreme heat and humidity)
Annual rain39 inches (990 mm)

Buenos Aires has a humid subtropical climate — hot and sticky summers, mild winters, and moderate rainfall year-round. The Pampas winds can create dramatic temperature swings. The city is in the Southern Hemisphere, so seasons are opposite to North America/Europe.

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San Francisco

San Francisco's climate is shaped by its position on a peninsula surrounded by the Pacific Ocean and San Francisco Bay. The coastal fog (Karl the Fog) rolls in through the Golden Gate each summer afternoon, keeping temperatures mild year-round. The city has dramatically different microclimates — the Sunset District fog-bound while the Mission basks in sun on the same day.

Seasonal Comparison

Season🇦🇷 Buenos Aires🇺🇸 San Francisco
Spring

57–73°F

September–November

Summer

72–88°F

December–February

Fall

61–75°F

March–May

Winter

48–63°F

June–August

Buenos Aires vs San Francisco: Frequently Asked Questions

Does Buenos Aires or San Francisco have better weather?

Buenos Aires and San Francisco have very different climates. Humid subtropical — hot humid summers, mild winters, year-round rainfall San Francisco: San Francisco's climate is shaped by its position on a peninsula surrounded by the Pacific Ocean and. The best city depends on your preferred season and temperature range.

When is the best time to visit Buenos Aires vs San Francisco?

Best time for Buenos Aires: March, April, October, November. Best time for San Francisco: spring and fall.

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