Buenos Aires vs San Martín de los Andes in December

Buenos Aires is the better pick in December — 83 vs 17 on SeasonMap's comfort score. Buenos Aires is hot, a little rain, clean air, while San Martín de los Andes is nice, a little rain, clean air.

Buenos Aires vs San Martín de los AndesDecember climate, side by side

Buenos AiresSan Martín de los Andes
Comfort score83/100 (A)17/100 (F)
Feels-like high30°C21°C
Avg high / low28° / 19°21° / 10°
Rainfall77 mm36 mm
Rainy days86
Humidity64%69%
Air quality (AQI)3221

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

Buenos Aires vs San Martín de los Andes in December — FAQ

Is December better in Buenos Aires or San Martín de los Andes?
Buenos Aires is the better pick in December — 83 vs 17 on SeasonMap's comfort score. Buenos Aires is hot, a little rain, clean air, while San Martín de los Andes is nice, a little rain, clean air.
What is the weather like in Buenos Aires vs San Martín de los Andes in December?
In December, Buenos Aires averages 28°C high / 19°C low with about 77 mm of rain; San Martín de los Andes averages 21°C high / 10°C low with about 36 mm.