🇦🇷 Buenos Aires vs 🇺🇸 Portland

Weather Comparison

Current Weather Right Now

🇦🇷

Buenos Aires

clear sky

66°F

Clear Sky

Feels like 65°F

H 68°F / L 64°F

Humidity: 62%

🇺🇸

Portland

overcast clouds

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

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.

🇺🇸

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.

More Comparisons

🇦🇷 Buenos Aires Weather →🇺🇸 Portland Weather →