Perth · December
Run in the morning.
Comfortable average high of 83°F, dipping to 63°F at night. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
Avg high / low
83° / 63°F
Humidity
54%
Rain days
3/mo
Wind
19 mph
What December feels like in Perth
Sunrise
05:06
Mid-month average
Sunset
19:18
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 Perth in December
The kit for December in Perth: shorts and a short-sleeve are the standard kit, a wind-blocking layer for exposed routes.
December vs the surrounding months
vs November
+6° avg high
-3 rain days
Perth in November →
December
83°F avg high
3 rain days
Best: morning
vs January
-3° avg high
0 rain days
Perth in January →
Frequently Asked Questions
What is the best time of day to run in Perth 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 Perth in December?+
Average high 83°F, average low 63°F.
How does December compare to surrounding months in Perth?+
Compared to November (avg high 77°F), December is warmer. Compared to January (avg high 86°F), December is cooler.
Does it rain often in Perth in December?+
Expect about 3 measurable rain days in December, on average.