What is the weather like in Ilha Grande vs Porto Alegre in October?

In October, Ilha Grande averages 18°C high / 15°C low with about 152 mm of rain; Porto Alegre averages 25°C high / 16°C low with about 130 mm.

Ilha Grande vs Porto Alegre in October

Porto Alegre is the better pick in October — 84 vs 78 on SeasonMap's comfort score. Porto Alegre is warm, rainy, clean air, while Ilha Grande is nice, soaked, muggy air.

Ilha Grande vs Porto Alegre — October climate, side by side

	🇧🇷 Ilha Grande	🇧🇷 Porto Alegre
Comfort score	78/100 (B)	84/100 (A)
Feels-like high	19°C	26°C
Avg high / low	18° / 15°	25° / 16°
Rainfall	152 mm	130 mm
Rainy days	20	12
Humidity	83%	78%
Air quality (AQI)	56	38

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Ilha Grande vs Porto Alegre in October — FAQ

Is October better in Ilha Grande or Porto Alegre?: Porto Alegre is the better pick in October — 84 vs 78 on SeasonMap's comfort score. Porto Alegre is warm, rainy, clean air, while Ilha Grande is nice, soaked, muggy air.
What is the weather like in Ilha Grande vs Porto Alegre in October?: In October, Ilha Grande averages 18°C high / 15°C low with about 152 mm of rain; Porto Alegre averages 25°C high / 16°C low with about 130 mm.