Similar Climates › City Pairings › Baton Rouge ≈ Porto Alegre
City Pairings
close match
Baton Rouge, Louisiana and Porto Alegre, Brazil are a close climate match — 7,943 km (4,936 mi) apart. Baton Rouge is Köppen zone Cfa; Porto Alegre is Cfa.
See Baton Rouge on the interactive map →Looking outward from Baton Rouge, the atlas lands on Porto Alegre in the same humid subtropical (Cfa) zone — a distant place whose seasons still rise and fall with this city's. The hemispheres disagree on the calendar, so Baton Rouge’s January is compared with Porto Alegre’s July. From Baton Rouge's point of view, Porto Alegre sits about 7,943 km (4,936 mi) out — far enough to feel like another place, close enough on the numbers to stand in.
For Baton Rouge, Porto Alegre is a close outward match: weather there should feel familiar if you know this city. January means differ by 4°C (Porto Alegre warmer); July by 2°C (Porto Alegre cooler). Rainfall shifts more: Porto Alegre is 15 mm drier in July.
Sunshine stays close: Porto Alegre at 9.1 h/day on average versus 9.0 h/day in Baton Rouge (January 7.1 h / 7.3 h, July 11 h / 10.7 h). PM2.5 averages stay near each other (10 µg/m³ in Porto Alegre, 11 in Baton Rouge). Humidity: dew point in Porto Alegre runs about 5°C higher in January (11°C vs 6°C), so the air feels muggier.
January & July · °C and mm
Porto Alegre is in the southern hemisphere, so its July lines up with Baton Rouge's January — the bars above pair each city's summer and winter, not the calendar month.
Compare Baton Rouge 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 Baton Rouge, Louisiana — scored close, about 7,943 km (4,936 mi) away.
Baton Rouge and Porto Alegre are separated by roughly 7,943 km (4,936 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 Baton Rouge’s January in the comparison.
Yes — both are humid subtropical (Cfa).
Baton Rouge has a humid subtropical climate (Cfa). January averages a high of 17°C and a low of 6°C with 130 mm of rain; July averages 33°C / 23°C and 150 mm.
Baton Rouge averages about 7.3 hours of sunshine a day in January and 10.7 hours in July.
January PM2.5 averages about 7.3 µg/m³ (US AQI 40); July averages 13.8 µg/m³ (US AQI 63).
Other close climate matches for Baton Rouge: Islamabad (loose), Asunción (loose), Kagoshima (loose).
All humid subtropical (Cfa) cities on Similar Climates →
Explore Baton Rouge and Porto Alegre on the interactive map →