Las Vegas · December
Run in the morning.
Cool month: average high 57°F, low 39°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
57° / 39°F
Humidity
43%
Rain days
5/mo
Wind
9 mph
What December feels like in Las Vegas
Sunrise
07:44
Mid-month average
Sunset
17:28
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Las Vegas in December
The kit for December in Las Vegas: a long-sleeve or light jacket for the first mile.
December vs the surrounding months
vs November
-11° avg high
+3 rain days
Las Vegas in November →
December
57°F avg high
5 rain days
Best: morning
vs January
-2° avg high
0 rain days
Las Vegas in January →
Frequently Asked Questions
What is the best time of day to run in Las Vegas in December?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Las Vegas in December?+
Average high 57°F, average low 39°F.
How does December compare to surrounding months in Las Vegas?+
Compared to November (avg high 67°F), December is cooler. Compared to January (avg high 58°F), December is cooler.
Does it rain often in Las Vegas in December?+
Expect about 5 measurable rain days in December, on average.