What is the weather like in Atlanta vs San Antonio in December?

In December, Atlanta averages 14°C high / 5°C low with about 119 mm of rain; San Antonio averages 21°C high / 7°C low with about 48 mm.

Atlanta vs San Antonio in December

San Antonio is the better pick in December — 80 vs 66 on SeasonMap's comfort score. San Antonio is nice, a little rain, clean air, while Atlanta is cool, rainy, clean air.

Atlanta vs San Antonio — December climate, side by side

	🇺🇸 Atlanta	🇺🇸 San Antonio
Comfort score	66/100 (C)	80/100 (A)
Feels-like high	11°C	20°C
Avg high / low	14° / 5°	21° / 7°
Rainfall	119 mm	48 mm
Rainy days	8	5
Humidity	75%	69%
Air quality (AQI)	47	31

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

Month by month

Atlanta vs San Antonio in December — FAQ

Is December better in Atlanta or San Antonio?: San Antonio is the better pick in December — 80 vs 66 on SeasonMap's comfort score. San Antonio is nice, a little rain, clean air, while Atlanta is cool, rainy, clean air.
What is the weather like in Atlanta vs San Antonio in December?: In December, Atlanta averages 14°C high / 5°C low with about 119 mm of rain; San Antonio averages 21°C high / 7°C low with about 48 mm.