Austin · December
Run in the morning.
Cool month: average high 64°F, low 47°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
64° / 47°F
Humidity
71%
Rain days
11/mo
Wind
12 mph
What December feels like in Austin
Sunrise
08:19
Mid-month average
Sunset
18:33
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
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 Austin in December
The kit for December in Austin: a long-sleeve or light jacket for the first mile.
December vs the surrounding months
vs November
-5° avg high
-2 rain days
Austin in November →
December
64°F avg high
11 rain days
Best: morning
vs January
+3° avg high
0 rain days
Austin in January →
Frequently Asked Questions
What is the best time of day to run in Austin in December?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Austin in December?+
Average high 64°F, average low 47°F.
How does December compare to surrounding months in Austin?+
Compared to November (avg high 69°F), December is cooler. Compared to January (avg high 61°F), December is warmer.
Does it rain often in Austin in December?+
Expect about 11 measurable rain days in December, on average.