Adelaide · December
Run in the morning.
Comfortable average high of 79°F, dipping to 59°F at night. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
Avg high / low
79° / 59°F
Humidity
55%
Rain days
8/mo
Wind
15 mph
What December feels like in Adelaide
Sunrise
04:58
Mid-month average
Sunset
19:24
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 Adelaide in December
The kit for December in Adelaide: shorts and a short-sleeve are the standard kit, a wind-blocking layer for exposed routes.
December vs the surrounding months
vs November
+5° avg high
-1 rain days
Adelaide in November →
December
79°F avg high
8 rain days
Best: morning
vs January
-4° avg high
+1 rain days
Adelaide in January →
Frequently Asked Questions
What is the best time of day to run in Adelaide in December?+
Morning. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
What's the average temperature in Adelaide in December?+
Average high 79°F, average low 59°F.
How does December compare to surrounding months in Adelaide?+
Compared to November (avg high 73°F), December is warmer. Compared to January (avg high 83°F), December is cooler.
Does it rain often in Adelaide in December?+
Expect about 8 measurable rain days in December, on average.