Daytime highs, nighttime lows and the warmest cities across Japan this December.
Japan, experiences maximum daytime temperatures in December ranging from -4°C (25°F) in Kamikawa to 24°C (75°F) in Ishigaki Island. Nighttime temperatures generally drop to 20°C (68°F) in Ishigaki Island and -12°C (10°F) in Kamikawa. In December, it is winter.
Find the average daytime temperatures in December for the most popular destinations in Japan on the map below. Click on a destination dot for more detailed information.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Japan.
Marker color shows the average daytime high temperature in December: blue is cold, red is hot.
Drill down to December weather for any region in Japan.
Pick a city to see its December weather averages.
Tokyo averages a daytime high of 13°C (55°F) in December, which is moderate for Japan.
Tokyo sees nighttime lows close to 5°C (41°F) in December.
Based on our systematic data collection, Ishigaki Island has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 24°C (75°F), while at night it goes down to an approximate temperature of 20°C (68°F).
According to our data, Kamikawa holds the title for the coldest city in Japan in December. It experiences maximum temperatures of approximately -4°C (25°F) and drops to lows of about -12°C (10°F) during the night.
Tokyo usually sees around 177 hours of sunlight, indicating a moderately sunny period.
The water temperature averages approximately 20°C (68°F) in Hachijojima this month, so still a bit cool to swim, though some enjoy a chilly dive.
We have much more information about the climate in Japan.
Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
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