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

In January, Alter do Chão averages 30°C high / 25°C low with about 370 mm of rain; Rio de Janeiro averages 32°C high / 24°C low with about 244 mm.

Alter do Chão vs Rio de Janeiro in January

Rio de Janeiro is the better pick in January — 71 vs 61 on SeasonMap's comfort score. Rio de Janeiro is sweltering, soaked, muggy air, while Alter do Chão is sweltering, soaked, clean air.

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

	🇧🇷 Alter do Chão	🇧🇷 Rio de Janeiro
Comfort score	61/100 (C)	71/100 (B)
Feels-like high	35°C	38°C
Avg high / low	30° / 25°	32° / 24°
Rainfall	370 mm	244 mm
Rainy days	27	21
Humidity	80%	77%
Air quality (AQI)	33	82

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

Month by month

Alter do Chão vs Rio de Janeiro in January — FAQ

Is January better in Alter do Chão or Rio de Janeiro?: Rio de Janeiro is the better pick in January — 71 vs 61 on SeasonMap's comfort score. Rio de Janeiro is sweltering, soaked, muggy air, while Alter do Chão is sweltering, soaked, clean air.
What is the weather like in Alter do Chão vs Rio de Janeiro in January?: In January, Alter do Chão averages 30°C high / 25°C low with about 370 mm of rain; Rio de Janeiro averages 32°C high / 24°C low with about 244 mm.