ClimateForecastDecemberJanuary >>

Karuizawa weather in December (Nagano, Japan)

Thinking of visiting Karuizawa in December? Check the weather first! Check out this detailed guide to the month’s weather conditions.

Temperatures

Typically, December in Karuizawa includes low temperatures and moderate snow/rainfall. Experience the winter season in December. Throughout the day, temperatures can rise to about 7°C. At night, they generally drop to -2°C.

Precipitation

Karuizawa in December usually receives moderate snow/rainfall, averaging around 63 mm for the month. With the least rainfall of the year, this month offers optimal conditions for outdoor exploration. Take advantage of the dry weather to plan your activities. Historically, the month has about 15 days of snow/rain.

Average sunshine

The area enjoys a moderate level of sunlight, with around 137 hours. It's a good balance between sunny and cloudy days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Karuizawa. May generally stands out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Karuizawa climate page with graphs.

 

Karuizawa, monthly averages in December

Min TemperatureMin Temperature -2°C  
Max TemperatureMax Temperature 7°C  
Chance of RainChance of Rain 48%  
PrecipitationPrecipitation 63 mm  
Rainy daysRainy days 15 days  
HumidityHumidity 77% *  
SunshineSunshine 137 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Nagano, Japan (52 KM, 32 Miles).

Where to go in Japan in December

Find out more about the weather in Japan and which places have the best travel conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
4/10
Walking
4/10
Camping
1/10
Outdoor sports
4/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Karuizawa.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find 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.