Las Vegas Weather in December
14.8°C high · 1.8°C low · 9 mm rain · 4.2h sun
Dec is a cool month in Las Vegas — not peak season, but a good time to avoid crowds.
December at a glance
| Metric | Value |
|---|---|
| Average high | 14.8°C |
| Average low | 1.8°C |
| Rainfall | 9 mm |
| Sunshine | 4.2 hours/day |
| Daylight | 9.5 hours |
What to pack in December
Pack a jacket and layers for Las Vegas in December.
Las Vegas weather by month
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Frequently asked questions
What is the weather in Las Vegas in December?
Highs of 14.8°C and lows of 1.8°C, with about 9 mm of rain and 4.2 hours of sunshine per day.
Is December a good time to visit Las Vegas?
Dec is a cool month in Las Vegas — not peak season, but a good time to avoid crowds.
What to do in Las Vegas · Best time to visit Las Vegas
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.