Transit Desk

Climate

Weather in Japan in December

Weather in Japan, December
In December, Japan sees average highs of 11.8°C (53°F) and lows of 2.5°C (37°F), with around 47 mm of rain.

Japan — December

Japan December
Daytime high
11.8°C (53°F)
Overnight low
2.5°C (37°F)
Rainfall
47 mm
Best-time rank
Off-peak

How December compares

Japan, December vs. the annual average (2025)
This month11.8°C (53°F) / 2.5°C (37°F) · 47 mm
Yearly average20.8°C (69°F) / 12.4°C (54°F) · 131 mm

December in Japan runs 9°C (16.2°F) cooler than the yearly average, and is drier than the yearly average. Pack winter clothing — it will be cold.

Common questions

What is the weather like in Japan in December?

Average highs of 11.8°C (53°F) and lows of 2.5°C (37°F), with around 47 mm of rain.

Is December a good time to visit Japan?

It is an off-peak month for comfort in Japan; May, June, October tend to be more pleasant.

Updated climate normals, 2025