Porto Alegre vs Puerto Iguazú: which is better, month by month

Porto Alegre beats Puerto Iguazú in 10 of 12 months — its lead peaks in January (73 vs 50) — while Puerto Iguazú wins July; they are within 3 points in June.

Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Porto Alegre

🇧🇷 Brazil · mild climate

Best month: August 85/100
Months won: 10 of 12

Puerto Iguazú

🇦🇷 Argentina · tropical climate

Best month: July 87/100
Months won: 1 of 12

Porto Alegre vs Puerto Iguazú — all 12 months

Month	Porto Alegre	Puerto Iguazú	Winner	Gap
January	73Bsweltering, rainy, clean air	50Dsweltering, rainy, clean air	Porto Alegre	23
February	73Bsweltering, rainy, clean air	53Dsweltering, rainy, clean air	Porto Alegre	20
March	74Bhot, rainy, clean air	59Dsweltering, rainy, clean air	Porto Alegre	15
April	81Awarm, rainy, clean air	72Bhot, rainy, clean air	Porto Alegre	9
May	78Bnice, soaked, muggy air	74Bwarm, soaked, clean air	Porto Alegre	4
June	78Bnice, rainy, clean air	80Awarm, rainy, clean air	Tie	2
July	79Bnice, rainy, clean air	87Awarm, a little rain, clean air	Puerto Iguazú	8
August	85Anice, rainy, clean air	81Awarm, rainy, clean air	Porto Alegre	4
September	81Anice, soaked, muggy air	76Bhot, rainy	Porto Alegre	5
October	84Awarm, rainy, clean air	66Chot, soaked, clean air	Porto Alegre	18
November	81Ahot, rainy, clean air	64Csweltering, rainy, clean air	Porto Alegre	17
December	76Bhot, rainy, clean air	55Dsweltering, soaked, clean air	Porto Alegre	21

A month is a tie when the two are within 3 points. The widest gap is January (73 vs 50). Tap a month for that month's temperature, rain, humidity and air quality side by side.