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.

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 Andes — December climate, side by side

	🇦🇷 Buenos Aires	🇦🇷 San Martín de los Andes
Comfort score	83/100 (A)	17/100 (F)
Feels-like high	30°C	21°C
Avg high / low	28° / 19°	21° / 10°
Rainfall	77 mm	36 mm
Rainy days	8	6
Humidity	64%	69%
Air quality (AQI)	32	21

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

Month by month

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.