SeasonScore
Las Vegas, United States
Photo: Pcb21 · CC BY-SA 3.0

United States

Las Vegas in December

🌤️ Cool season

Cool and mostly dry.

🎒 Pack: warm jacket for evenings

Best months: Apr (9.7), Oct (9.7), Mar (9.5)

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Why December scores 8.8What goes into the score

How it works
🌡️ 14° / 4°C🌧️ 11 mm💧 dew pt -5°🍃 PM2.5 13
  • Weather comfort8.5
    • !Cool (14°C highs / 4°C lows)
    • ✓Comfortable humidity (dew point -5.4°C)
    • ✓Mostly dry (~11 mm rain)
  • Air quality8.8
    • ✓Good (within WHO guideline) (PM2.5 ~13 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut December side by side with another month
DecApr
Score8.8 Excellent9.7 Excellent
Season🌤️ Cool season☀️ Warm dry season
High / low14° / 4°26° / 14°
Rain11 mm5 mm
Humiditydew pt -5°dew pt -2°
PM2.513 µg/m³6 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Las Vegas Airport weather-station normals. Rainfall: Harry Reid International Airport weather-station normals (national met service).

Holidays & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Christmas Day 25–27 Dec · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore Las VegasEvents, sights, food & souvenirs

Check event dates locally

A desert resort city in Nevada, visited for casinos, shows, dining, conventions and as a base for Grand Canyon and Red Rock trips.

Events in December
New Year's Eve fireworksEvery year31 December every year

Fireworks are launched from several resort rooftops.

Why go: The Strip closes to cars; hotel rates peak.

Where: The Strip

National Finals RodeoDate variesUsually early to mid-December

Ten days of top-level rodeo competition.

Why go: Cowboy-themed events take over the city.

Where: Thomas & Mack Center

Coming up later

CESDate variesUsually early January

A massive consumer electronics trade show.

Why go: Hotel prices soar during the show week.

Where: Las Vegas Convention Center

Las Vegas Grand PrixDate variesUsually November

A night Formula 1 race on city streets.

Why go: Roads around the Strip close and hotel rates rise.

Where: Street circuit on and around the Strip