Copenhagen · December
Run in the midday.
Cold: average high 42°F, low 37°F. Layering becomes the workout. Humidity averages 87% — the limiting factor on most runs. Expect 19 rain days — plan around the radar. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
Avg high / low
42° / 37°F
Humidity
87%
Rain days
19/mo
Wind
17 mph
What December feels like in Copenhagen
Sunrise
09:30
Mid-month average
Sunset
16:39
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 Copenhagen in December
The kit for December in Copenhagen: a long-sleeve or light jacket for the first mile, a wind-blocking layer for exposed routes, a water-resistant cap or jacket on standby.
December vs the surrounding months
vs November
-5° avg high
+1 rain days
Copenhagen in November →
December
42°F avg high
19 rain days
Best: midday
vs January
+3° avg high
+2 rain days
Copenhagen in January →
Frequently Asked Questions
What is the best time of day to run in Copenhagen in December?+
Midday. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
What's the average temperature in Copenhagen in December?+
Average high 42°F, average low 37°F.
How does December compare to surrounding months in Copenhagen?+
Compared to November (avg high 47°F), December is cooler. Compared to January (avg high 39°F), December is warmer.
Does it rain often in Copenhagen in December?+
Expect about 19 measurable rain days in December, on average.