Ilha Grande vs Santiago in December

Santiago is the better pick in December — 88 vs 77 on SeasonMap's comfort score. Santiago is hot, dry, while Ilha Grande is nice, soaked, muggy air.

Ilha Grande vs SantiagoDecember climate, side by side

Ilha GrandeSantiago
Comfort score77/100 (B)88/100 (A)
Feels-like high22°C31°C
Avg high / low20° / 17°30° / 12°
Rainfall229 mm7 mm
Rainy days221
Humidity84%54%
Air quality (AQI)5675

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

Ilha Grande vs Santiago in December — FAQ

Is December better in Ilha Grande or Santiago?
Santiago is the better pick in December — 88 vs 77 on SeasonMap's comfort score. Santiago is hot, dry, while Ilha Grande is nice, soaked, muggy air.
What is the weather like in Ilha Grande vs Santiago in December?
In December, Ilha Grande averages 20°C high / 17°C low with about 229 mm of rain; Santiago averages 30°C high / 12°C low with about 7 mm.