What is the weather like in Buenos Aires vs Rosario in January?

In January, Buenos Aires averages 30°C high / 21°C low with about 64 mm of rain; Rosario averages 33°C high / 19°C low with about 93 mm.

Buenos Aires vs Rosario in January

Buenos Aires is the better pick in January — 79 vs 75 on SeasonMap's comfort score. Buenos Aires is hot, a little rain, clean air, while Rosario is sweltering, rainy, clean air.

Buenos Aires vs Rosario — January climate, side by side

	🇦🇷 Buenos Aires	🇦🇷 Rosario
Comfort score	79/100 (B)	75/100 (B)
Feels-like high	32°C	35°C
Avg high / low	30° / 21°	33° / 19°
Rainfall	64 mm	93 mm
Rainy days	7	8
Humidity	66%	61%
Air quality (AQI)	33	29

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

Month by month

Buenos Aires vs Rosario in January — FAQ

Is January better in Buenos Aires or Rosario?: Buenos Aires is the better pick in January — 79 vs 75 on SeasonMap's comfort score. Buenos Aires is hot, a little rain, clean air, while Rosario is sweltering, rainy, clean air.
What is the weather like in Buenos Aires vs Rosario in January?: In January, Buenos Aires averages 30°C high / 21°C low with about 64 mm of rain; Rosario averages 33°C high / 19°C low with about 93 mm.