What is the weather like in Las Vegas vs San Diego in December?

In December, Las Vegas averages 16°C high / 5°C low with about 10 mm of rain; San Diego averages 19°C high / 10°C low with about 46 mm.

Las Vegas vs San Diego in December

Las Vegas and San Diego are nearly tied in December — 73 vs 71 on SeasonMap's comfort score. Las Vegas is cool, dry, clean air; San Diego is nice, a little rain, muggy air.

Las Vegas vs San Diego — December climate, side by side

	Las Vegas	San Diego
Comfort score	73/100 (B)	71/100 (B)
Feels-like high	12°C	18°C
Avg high / low	16° / 5°	19° / 10°
Rainfall	10 mm	46 mm
Rainy days	1	4
Humidity	42%	76%
Air quality (AQI)	44	66

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

Las Vegas vs San Diego in December — FAQ

Is December better in Las Vegas or San Diego?: Las Vegas and San Diego are nearly tied in December — 73 vs 71 on SeasonMap's comfort score. Las Vegas is cool, dry, clean air; San Diego is nice, a little rain, muggy air.
What is the weather like in Las Vegas vs San Diego in December?: In December, Las Vegas averages 16°C high / 5°C low with about 10 mm of rain; San Diego averages 19°C high / 10°C low with about 46 mm.