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

66°F
Clear Sky
Feels like 65°F
H 68°F / L 64°F
Humidity: 62%
🇺🇸
Portland

75°F
Overcast Clouds
Feels like 74°F
H 77°F / L 71°F
Humidity: 39%
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.
Portland
Portland in the Willamette Valley between the Coast Range and Cascades has a classic Pacific Northwest marine climate. The city is famous for its mild, rainy winters and warm, sunny summers. The 2021 Heat Dome brought temperatures to 116°F, shattering records and causing hundreds of deaths — an extreme event showing climate change impacts on a city with minimal air conditioning.
Seasonal Comparison
| Season | 🇦🇷 Buenos Aires | 🇺🇸 Portland |
|---|---|---|
| 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 Portland: Frequently Asked Questions
Does Buenos Aires or Portland have better weather?
Buenos Aires and Portland have very different climates. Humid subtropical — hot humid summers, mild winters, year-round rainfall Portland: Portland in the Willamette Valley between the Coast Range and Cascades has a classic Pacific Northwe. The best city depends on your preferred season and temperature range.
When is the best time to visit Buenos Aires vs Portland?
Best time for Buenos Aires: March, April, October, November. Best time for Portland: spring and fall.