Las Vegas vs Los Angeles

Las Vegas and Los Angeles are closely matched in December. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Las Vegas is on the cooler side at 13°C, requiring warmer clothing. Los Angeles is also comfortable at 19°C.

For travelers who prioritize dry weather, Las Vegas is the stronger choice in December. Los Angeles receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Las Vegas reaches an average high of 13°C (55°F) and drops to 4°C (39°F) at night during December. The daily temperature range is 9°C, meaning moderate variation throughout the day.

Los Angeles averages 19°C (66°F) for the high and 7°C (45°F) for the low, with a daily range of 12°C. There is a notable 6°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in December.

Las Vegas receives approximately 20 mm of rainfall across 3 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Los Angeles sees 52 mm over 5 rain days. That makes Las Vegas the drier option by 2 rain days and 32 mm of total precipitation.

Humidity also differs: Las Vegas averages 65% while Los Angeles sits at 70%. Los Angeles will feel muggier, especially at higher temperatures.