What is the weather like in Gramado vs Ilha Grande in December?

In December, Gramado averages 25°C high / 15°C low with about 163 mm of rain; Ilha Grande averages 20°C high / 17°C low with about 229 mm.

Gramado vs Ilha Grande in December

Gramado is the better pick in December — 84 vs 77 on SeasonMap's comfort score. Gramado is warm, soaked, clean air, while Ilha Grande is nice, soaked, muggy air.

Gramado vs Ilha Grande — December climate, side by side

	🇧🇷 Gramado	🇧🇷 Ilha Grande
Comfort score	84/100 (A)	77/100 (B)
Feels-like high	27°C	22°C
Avg high / low	25° / 15°	20° / 17°
Rainfall	163 mm	229 mm
Rainy days	16	22
Humidity	79%	84%
Air quality (AQI)	26	56

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

Month by month

Gramado vs Ilha Grande in December — FAQ

Is December better in Gramado or Ilha Grande?: Gramado is the better pick in December — 84 vs 77 on SeasonMap's comfort score. Gramado is warm, soaked, clean air, while Ilha Grande is nice, soaked, muggy air.
What is the weather like in Gramado vs Ilha Grande in December?: In December, Gramado averages 25°C high / 15°C low with about 163 mm of rain; Ilha Grande averages 20°C high / 17°C low with about 229 mm.