Los Angeles vs Las Vegas

Los Angeles and Las Vegas 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.

Los Angeles sits in the comfortable travel range at 19°C. Las Vegas is cooler at 13°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.

Los Angeles reaches an average high of 19°C (66°F) and drops to 7°C (45°F) at night during December. The daily temperature range is 12°C, meaning significant temperature swings between day and night.

Las Vegas averages 13°C (55°F) for the high and 4°C (39°F) for the low, with a daily range of 9°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.

Los Angeles receives approximately 52 mm of rainfall across 5 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Las Vegas sees 20 mm over 3 rain days. That makes Las Vegas the drier option by 2 rain days and 32 mm of total precipitation.

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