Barcelona · December
Run in the morning.
Cool month: average high 59°F, low 44°F. Humidity averages 78% — the limiting factor on most runs. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
59° / 44°F
Humidity
78%
Rain days
6/mo
Wind
9 mph
What December feels like in Barcelona
Sunrise
09:09
Mid-month average
Sunset
18:24
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 Barcelona in December
The kit for December in Barcelona: a long-sleeve or light jacket for the first mile.
December vs the surrounding months
vs November
-5° avg high
-5 rain days
Barcelona in November →
December
59°F avg high
6 rain days
Best: morning
vs January
+3° avg high
-1 rain days
Barcelona in January →
Frequently Asked Questions
What is the best time of day to run in Barcelona in December?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Barcelona in December?+
Average high 59°F, average low 44°F.
How does December compare to surrounding months in Barcelona?+
Compared to November (avg high 63°F), December is cooler. Compared to January (avg high 56°F), December is warmer.
Does it rain often in Barcelona in December?+
Expect about 6 measurable rain days in December, on average.