Best Time to Run in Tokyo in December

The verdict: Midday. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.

Tokyo · December

Run in the midday.

Cool month: average high 52°F, low 36°F. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.

Avg high / low
52° / 36°F
Humidity
71%
Rain days
9/mo
Wind
14 mph

What December feels like in Tokyo

Sunrise

06:43

Mid-month average

Sunset

16:30

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 Tokyo in December

The kit for December in Tokyo: a long-sleeve or light jacket for the first mile, a wind-blocking layer for exposed routes.

December vs the surrounding months

Frequently Asked Questions

What is the best time of day to run in Tokyo in December?+
Midday. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
What's the average temperature in Tokyo in December?+
Average high 52°F, average low 36°F.
How does December compare to surrounding months in Tokyo?+
Compared to November (avg high 62°F), December is cooler. Compared to January (avg high 48°F), December is warmer.
Does it rain often in Tokyo in December?+
Expect about 9 measurable rain days in December, on average.

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