🇦🇷 Buenos Aires vs 🇺🇸 San Diego
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 Diego

78°F
Broken Clouds
Feels like 77°F
H 85°F / L 73°F
Humidity: 33%
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 Diego
San Diego has arguably the best climate of any major US city — mild year-round with average highs around 70°F. The Pacific Ocean moderates temperatures dramatically, and the city rarely sees extremes. June Gloom brings marine layer clouds through the early summer, while Santa Ana winds can push temperatures into the 90s in fall.
Seasonal Comparison
| Season | 🇦🇷 Buenos Aires | 🇺🇸 San Diego |
|---|---|---|
| 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 Diego: Frequently Asked Questions
Does Buenos Aires or San Diego have better weather?
Buenos Aires and San Diego have very different climates. Humid subtropical — hot humid summers, mild winters, year-round rainfall San Diego: San Diego has arguably the best climate of any major US city — mild year-round with average highs ar. The best city depends on your preferred season and temperature range.
When is the best time to visit Buenos Aires vs San Diego?
Best time for Buenos Aires: March, April, October, November. Best time for San Diego: spring and fall.