Nagano weather in December (Nagano, Japan)

Will it be rainy or sunny in Nagano this December? Check out this detailed guide to the month’s weather conditions.

Temperatures

In December, the weather in Nagano generally includes low temperatures and high snow/rainfall. Experience the winter season in December. During the daylight hours, temperatures often reach 6°C. After dark they usually decrease to around -3°C.

Precipitation

Nagano in December usually receives high snow/rainfall, averaging around 148 mm for the month. Historically, the month has about 21 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 prefer dry days with pleasant temperatures, December may not be the ideal month to visit Nagano. May typically offers the most optimal weather. In contrast, January, February, March, July, November and December tend to have less optimal conditions.

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

 

Nagano, monthly averages in December

Min Temperature -3°C  

Max Temperature 6°C  

Chance of Rain 70%  

Precipitation 148 mm  

Rainy days 21 days  

Humidity 77%  

Sunshine 137 hours  

Percentage Sunshine  

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.

Weather conditions Weather

Temperatures

Precipitation

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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

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

Interested in more climate information?

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

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.