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

In December, Ilha Grande averages 20°C high / 17°C low with about 229 mm of rain; Porto Alegre averages 30°C high / 20°C low with about 111 mm.

Ilha Grande vs Porto Alegre in December

Ilha Grande and Porto Alegre are nearly tied in December — 77 vs 76 on SeasonMap's comfort score. Ilha Grande is nice, soaked, muggy air; Porto Alegre is hot, rainy, clean air.

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

	🇧🇷 Ilha Grande	🇧🇷 Porto Alegre
Comfort score	77/100 (B)	76/100 (B)
Feels-like high	22°C	33°C
Avg high / low	20° / 17°	30° / 20°
Rainfall	229 mm	111 mm
Rainy days	22	11
Humidity	84%	73%
Air quality (AQI)	56	39

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

Month by month

Ilha Grande vs Porto Alegre in December — FAQ

Is December better in Ilha Grande or Porto Alegre?: Ilha Grande and Porto Alegre are nearly tied in December — 77 vs 76 on SeasonMap's comfort score. Ilha Grande is nice, soaked, muggy air; Porto Alegre is hot, rainy, clean air.
What is the weather like in Ilha Grande vs Porto Alegre in December?: In December, Ilha Grande averages 20°C high / 17°C low with about 229 mm of rain; Porto Alegre averages 30°C high / 20°C low with about 111 mm.