What is the weather like in Alter do Chão vs Rio de Janeiro in December?

In December, Alter do Chão averages 31°C high / 26°C low with about 316 mm of rain; Rio de Janeiro averages 31°C high / 23°C low with about 211 mm.

Alter do Chão vs Rio de Janeiro in December

Rio de Janeiro is the better pick in December — 75 vs 63 on SeasonMap's comfort score. Rio de Janeiro is sweltering, soaked, muggy air, while Alter do Chão is sweltering, soaked, muggy air.

Alter do Chão vs Rio de Janeiro — December climate, side by side

	🇧🇷 Alter do Chão	🇧🇷 Rio de Janeiro
Comfort score	63/100 (C)	75/100 (B)
Feels-like high	36°C	36°C
Avg high / low	31° / 26°	31° / 23°
Rainfall	316 mm	211 mm
Rainy days	25	20
Humidity	78%	78%
Air quality (AQI)	52	78

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

Month by month

Alter do Chão vs Rio de Janeiro in December — FAQ

Is December better in Alter do Chão or Rio de Janeiro?: Rio de Janeiro is the better pick in December — 75 vs 63 on SeasonMap's comfort score. Rio de Janeiro is sweltering, soaked, muggy air, while Alter do Chão is sweltering, soaked, muggy air.
What is the weather like in Alter do Chão vs Rio de Janeiro in December?: In December, Alter do Chão averages 31°C high / 26°C low with about 316 mm of rain; Rio de Janeiro averages 31°C high / 23°C low with about 211 mm.