Ilha Grande vs Rio de Janeiro: which is better, month by month

Ilha Grande beats Rio de Janeiro in 1 of 12 months — its lead peaks in February (77 vs 73) — and they are within 3 points in March to January.

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.

Ilha Grande

🇧🇷 Brazil · mild climate

Best month: July 85/100
Months won: 1 of 12

Rio de Janeiro

🇧🇷 Brazil · tropical climate

Best month: September 88/100
Months won: 0 of 12

Ilha Grande vs Rio de Janeiro — all 12 months

Month	Ilha Grande	Rio de Janeiro	Winner	Gap
January	71Bwarm, soaked, muggy air	71Bsweltering, soaked, muggy air	Tie	0
February	77Bwarm, soaked, muggy air	73Bsweltering, soaked, poor air quality	Ilha Grande	4
March	78Bwarm, soaked, muggy air	79Bsweltering, soaked, muggy air	Tie	1
April	81Anice, rainy, muggy air	83Ahot, rainy, muggy air	Tie	2
May	84Anice, a little rain, muggy air	86Ahot, a little rain, muggy air	Tie	2
June	84Anice, a little rain, muggy air	86Awarm, a little rain, muggy air	Tie	2
July	85Anice, a little rain, muggy air	87Awarm, a little rain, muggy air	Tie	2
August	80Anice, a little rain, muggy air	83Awarm, a little rain, muggy air	Tie	3
September	85Anice, a little rain, muggy air	88Ahot, a little rain	Tie	3
October	78Bnice, soaked, muggy air	78Bhot, rainy, muggy air	Tie	0
November	79Bnice, soaked, muggy air	77Bhot, soaked, muggy air	Tie	2
December	77Bnice, soaked, muggy air	75Bsweltering, soaked, muggy air	Tie	2

A month is a tie when the two are within 3 points. The widest gap is February (77 vs 73). Tap a month for that month's temperature, rain, humidity and air quality side by side.