Similar Climates › City Pairings › Raleigh ≈ Porto Alegre
City Pairings
fair match
Raleigh, North Carolina and Porto Alegre, Brazil are a fair climate match — 7,859 km (4,883 mi) apart. Raleigh is Köppen zone Cfa; Porto Alegre is Cfa.
See Raleigh on the interactive map →Raleigh and Porto Alegre both sit in the humid subtropical (Cfa) zone, so their seasonal arcs line up. Because one city is in the opposite hemisphere, the comparison flips seasons: Raleigh’s January against Porto Alegre’s July. They are about 7,859 km (4,883 mi) apart, so Porto Alegre is a reachable stand-in when you want Raleigh’s weather elsewhere.
It is a fair match — close on the main numbers, with a few seasonal quirks between Raleigh and Porto Alegre. January means differ by 10°C (Porto Alegre warmer); July by 1°C (Porto Alegre cooler). Rainfall shifts more: Porto Alegre is 30 mm wetter in January, and 20 mm wetter in July.
Sunshine stays close: Porto Alegre at 9.1 h/day on average versus 9.1 h/day in Raleigh (January 7.1 h / 6.7 h, July 11 h / 11.5 h). PM2.5 averages stay near each other (10 µg/m³ in Porto Alegre, 12 in Raleigh). Humidity: dew point in Porto Alegre runs about 12°C higher in January (11°C vs -1°C), so the air feels muggier.
January & July · °C and mm
Porto Alegre is in the southern hemisphere, so its July lines up with Raleigh's January — the bars above pair each city's summer and winter, not the calendar month.
Compare Raleigh and Porto Alegre month by month on the interactive map →
See Porto Alegre's climate twin on its own page.
On Similar Climates, Porto Alegre, Brazil is the closest distant match for Raleigh, North Carolina — scored fair, about 7,859 km (4,883 mi) away.
Raleigh and Porto Alegre are separated by roughly 7,859 km (4,883 mi) on the great-circle route.
No — they sit in opposite hemispheres, so seasons run about six months apart: Porto Alegre’s July pairs with Raleigh’s January in the comparison.
Yes — both are humid subtropical (Cfa).
Raleigh has a humid subtropical climate (Cfa). January averages a high of 11°C and a low of 0°C with 95 mm of rain; July averages 32°C / 22°C and 115 mm.
Raleigh averages about 6.7 hours of sunshine a day in January and 11.5 hours in July.
January PM2.5 averages about 7.9 µg/m³ (US AQI 42); July averages 15.8 µg/m³ (US AQI 70).
Other close climate matches for Raleigh: Shanghai (loose), Buenos Aires (loose), Islamabad (loose).
All humid subtropical (Cfa) cities on Similar Climates →
Explore Raleigh and Porto Alegre on the interactive map →