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

In January, Las Vegas averages 15°C high / 5°C low with about 14 mm of rain; San Diego averages 19°C high / 10°C low with about 56 mm.

Las Vegas vs San Diego in January

Las Vegas and San Diego are nearly tied in January — 71 vs 70 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 — January climate, side by side

	Las Vegas	San Diego
Comfort score	71/100 (B)	70/100 (B)
Feels-like high	12°C	18°C
Avg high / low	15° / 5°	19° / 10°
Rainfall	14 mm	56 mm
Rainy days	3	6
Humidity	49%	77%
Air quality (AQI)	40	56

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

Las Vegas vs San Diego in January — FAQ

Is January better in Las Vegas or San Diego?: Las Vegas and San Diego are nearly tied in January — 71 vs 70 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 January?: In January, Las Vegas averages 15°C high / 5°C low with about 14 mm of rain; San Diego averages 19°C high / 10°C low with about 56 mm.