Lisbon · December
Run in the morning.
Cool month: average high 60°F, low 51°F. Humidity averages 84% — the limiting factor on most runs. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
60° / 51°F
Humidity
84%
Rain days
12/mo
Wind
12 mph
What December feels like in Lisbon
Sunrise
08:47
Mid-month average
Sunset
18:17
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 Lisbon in December
The kit for December in Lisbon: shorts and a short-sleeve are the standard kit.
December vs the surrounding months
vs November
-4° avg high
-2 rain days
Lisbon in November →
December
60°F avg high
12 rain days
Best: morning
vs January
+2° avg high
+1 rain days
Lisbon in January →
Frequently Asked Questions
What is the best time of day to run in Lisbon in December?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Lisbon in December?+
Average high 60°F, average low 51°F.
How does December compare to surrounding months in Lisbon?+
Compared to November (avg high 64°F), December is cooler. Compared to January (avg high 58°F), December is warmer.
Does it rain often in Lisbon in December?+
Expect about 12 measurable rain days in December, on average.