Koyasan weather in December (Wakayama, Japan)

What does the weather outlook for Koyasan look like in December? Discover if this is the best time for your journey with our detailed monthly weather breakdown.

Temperatures

Typically, December in Koyasan includes low temperatures and moderate rainfall. During December, the winter season is in full swing. In the daytime, temperatures tend to hover near 11°C, cooling down at night to around 2°C.

Precipitation

Koyasan in December usually receives moderate rainfall, averaging around 91 mm for the month. This month is perfect for outdoor adventures, thanks to its lack of rain. Make the most of this dry weather. Rain is expected on roughly 14 days.

Average sunshine

Expect a moderate amount of sunlight, with approximately 134 hours. This means a pleasant mix of sun and clouds.

If your ideal day consists of dry skies and moderate temperatures May generally stands out with the best circumstances. While January, February, March, June and July tend to showcase less optimal conditions.

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

 

Koyasan, monthly averages in December

Min Temperature 2°C  

Max Temperature 11°C  

Chance of Rain 47%  

Precipitation 91 mm  

Rainy days 14 days  

Humidity 66% *  

Sunshine 134 hours *  

Percentage Sunshine *  

Data from: Wakayama, Japan (37 KM, 23 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?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

Interested in more climate information?

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

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.