🇦🇷 Buenos Aires vs 🇺🇸 San Francisco
Weather Comparison
Current Weather Right Now
🇦🇷
Buenos Aires

66°F
Clear Sky
Feels like 65°F
H 68°F / L 65°F
Humidity: 58%
🇺🇸
San Francisco

73°F
Few Clouds
Feels like 73°F
H 77°F / L 70°F
Humidity: 46%
Climate Overview
Buenos Aires
Humid subtropical — hot humid summers, mild winters, year-round rainfall
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.
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.