What is the weather like in Ilha Grande vs Rio de Janeiro in December?

In December, Ilha Grande averages 20°C high / 17°C low with about 229 mm of rain; Rio de Janeiro averages 31°C high / 23°C low with about 211 mm.

Ilha Grande vs Rio de Janeiro in December

Ilha Grande and Rio de Janeiro are nearly tied in December — 77 vs 75 on SeasonMap's comfort score. Ilha Grande is nice, soaked, muggy air; Rio de Janeiro is sweltering, soaked, muggy air.

Ilha Grande vs Rio de Janeiro — December climate, side by side

	🇧🇷 Ilha Grande	🇧🇷 Rio de Janeiro
Comfort score	77/100 (B)	75/100 (B)
Feels-like high	22°C	36°C
Avg high / low	20° / 17°	31° / 23°
Rainfall	229 mm	211 mm
Rainy days	22	20
Humidity	84%	78%
Air quality (AQI)	56	78

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

Month by month

Ilha Grande vs Rio de Janeiro in December — FAQ

Is December better in Ilha Grande or Rio de Janeiro?: Ilha Grande and Rio de Janeiro are nearly tied in December — 77 vs 75 on SeasonMap's comfort score. Ilha Grande is nice, soaked, muggy air; Rio de Janeiro is sweltering, soaked, muggy air.
What is the weather like in Ilha Grande vs Rio de Janeiro in December?: In December, Ilha Grande averages 20°C high / 17°C low with about 229 mm of rain; Rio de Janeiro averages 31°C high / 23°C low with about 211 mm.