Las Vegas weather in December
Las Vegas in December averages 10°C (49°F) and 11 mm of rain. It is one of the driest months of the year here.
Of the twelve months in Las Vegas, December is the second coldest and the third wettest.
- Average temp
- 10°C (49°F)
4–15°C · 39–60°F
- Rainfall
- 11 mm
Not much rain
- Sunshine
- —
- Wind
- 10 km/h
What is Las Vegas like in December?
Daytime
Days are cool.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Las Vegas in December?
A warm mid-layer
Nights drop to around 4°C (39°F).
December compared with November and January
December in Las Vegas is 4.3°C cooler than November and about as wet as it, which averages 14°C (57°F).
December in Las Vegas is about the same temperature as January and about as wet as it, which averages 9°C (49°F).
Daylight in Las Vegas in December
On 15 December the sun is up for 9 hours 43 minutes in Las Vegas, rising about 06:44 and setting about 16:27 local time.
No month in Las Vegas has less daylight than December.
Where to stay in Las Vegas
Dates are a starting point for December.
Las Vegas weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 9°C / 49°F | 14 mm |
| February | 12°C / 54°F | 21 mm |
| March | 12°C / 54°F | 11 mm |
| April | 20°C / 68°F | 5 mm |
| May | 25°C / 76°F | 2 mm |
| June | 31°C / 88°F | 1 mm |
| July | 34°C / 92°F | 9 mm |
| August | 32°C / 90°F | 8 mm |
| September | 28°C / 83°F | 8 mm |
| October | 21°C / 70°F | 8 mm |
| November | 14°C / 57°F | 8 mm |
| December | 10°C / 49°F | 11 mm |
Check another month
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FAQs about Las Vegas in December
December climate averages for Las Vegas, 1991–2020.
Las Vegas averages 10°C (49°F) in December, ranging from about 4°C (39°F) at night to 15°C (60°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. December sees only about 11 mm, so rain is unlikely to affect your plans.
They are about the same. December averages 10°C (49°F) and January 9°C (49°F), so temperature alone will not decide between them.
December is 4.3°C cooler than November, and about as wet.
It is outside the easiest window. The most comfortable stretch here is April to June; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 9 hours 43 minutes of daylight in mid-December, the least of any month in Las Vegas.
On 15 December, sunrise is about 06:44 and sunset about 16:27 local time. Both shift across the month.
