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The weather in December in Japan
It's cool in December in Japan with an average temperature of 11°C. Temperatures this month range from a low of 9°C to a high of 14°C. At night, you can expect temperatures between 1°C and 6°C.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Japan. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 24°C in 2015, Japan reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -2°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of -8°C to a highest value of 14°C.
Precipitation and snowfall
In December, there is an average of 48 mm of precipitation, spread over 8 days. Of the total precipitation, about 3,2 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the West.
Daily weather in December for Japan
Click on any day in December to get detailed info about the usual weather on that day in Japan. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Japan | New York | |
|---|---|---|
| Average temperature | 11°C | 9°C |
| Max. temperature | 14°C | 12°C |
| Min. temperature | 1°C | -5°C |
| Total precipitation | 48 mm | 133 mm |
| Rainy days | 8 days | 17 days |
| Total snowfall | 3,2 cm | 9,7 cm |
| Snowy days | 1 day | 3 days |
Start of December
The month of December starts in Japan with cool temps, averaging around 13°C during the day and nights around 5°C.
Mid December
By mid-December, daytime temps drop to around 11°C, with nights around 3°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of December
By the end of December, the average daytime temperature in Japan is around 10°C, while nighttime temps are about 2°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
The typhoon season in Japan runs from June to November.
Check out the climate of Japan for all months and discover the best travel time
The climate in Japan is based on weather data from Tokyo. Other places, like Kyōto, Osaka or Hokkaido, might have different weather. You can check out all destinations in Japan to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in December in Japan. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Japan
Temperature in December in Japan over the years
Precipitation charts
These charts show the average amount of precipitation in December in Japan. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Japan
Total precipitation in December in Japan over the years
Daily Snowfall in December in Japan
Snowfall in December in Japan per year
Daily UV index in December in Japan
This chart shows the average daily UV index in December in Japan, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Japan
The weather in December in Japan is rated 4 out of 5 stars by 1 visitor. Have you been to Japan? Share your weather experience to help other visitors.
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Cool, clear, blue skies alternated with glorious sunshine during the day and light snow in the evening. The temperature dropped considerably and a warm coat was required. No crowds, perfect!— This text is automatically translated to English
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Average weather in Japan by month
Click on a month below to see detailed weather info for Japan. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.