What to pack for Las Vegas in December
- long sleeves and a warm layer
- a medium jacket
Humidity averages 43%; max daily wind around 14 km/h.
How December compares
Best months in Las Vegas: February–April & October–November. See the full best time to visit Las Vegas guide.
Las Vegas in December: the details
In December, Las Vegas sees average daytime highs of 15°C (58°F) and overnight lows of 4°C (39°F). Rainfall totals roughly 11 mm across 2.2 rainy days, and the sun shines about 8 hours per day with 9.5 hours of daylight mid-month. Relative humidity averages 43%.
In context: December is the 11th-warmest month and the 6th-wettest in Las Vegas. The sunniest month is June (13.6 h/day).
| Metric | December average |
|---|---|
| Daytime high | 15°C / 58°F |
| Overnight low | 4°C / 39°F |
| Rainfall | 11 mm over 2.2 rainy days |
| Sunshine | 8 h/day (9.5 h daylight) |
| Humidity | 43% |
| Travel score | 8.8 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Las Vegas, United States (36.17, -115.14) — see our methodology. Actual conditions vary year to year.
Not set on Las Vegas? Browse the best places to visit in December ranked by travel score.
Frequently asked questions
How hot is Las Vegas in December?
Daytime highs in Las Vegas in December average 15°C (58°F); nights drop to about 4°C.
Does it rain in Las Vegas in December?
Expect around 2.2 rainy days and 11 mm of rainfall in December.
Is December a good time to visit Las Vegas?
December is one of the best months to visit Las Vegas. Overall travel score: 8.8/10. The best months are February–April & October–November.
Also good in December, near Las Vegas
Where should you go next month?
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