Koshu weather in December (Yamanashi, Japan)

What is the weather forecast for Koshu in December? See what weather conditions to anticipate this month with our guide.

Temperatures

The month of December in Koshu typically brings low temperatures and moderate snow/rainfall. The winter season takes place during December. Anticipate daytime highs near 7°C, and cooler nights with temperatures around -2°C.

Precipitation

Koshu in December usually receives moderate snow/rainfall, averaging around 66 mm for the month. As the driest month, you can expect little to no rain. This makes it perfect for outdoor events and activities. Enjoy the freedom from wet weather. Historically, the month has about 10 days of snow/rain.

Average sunshine

The area enjoys a balanced 172 hours of sunlight, ensuring it's neither too overcast nor too sunny.

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

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

 

Koshu, monthly averages in December

Min Temperature -2°C  

Max Temperature 7°C  

Chance of Rain 33%  

Precipitation 66 mm  

Rainy days 10 days  

Humidity 65% *  

Sunshine 172 hours *  

Percentage Sunshine *  

* Data from: Yamanashi, Japan (4 KM, 2 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.

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

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 Koshu.

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.