Koshu weather in May (Yamanashi, Japan)

What kind of temperatures can you expect in Koshu during May? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

The month of May in Koshu typically includes pleasant temperatures and high rainfall. Expect the temperatures during the day to hover around 20°C. At night, they will likely drop to about 9°C.

Precipitation

Koshu in May usually receives high rainfall, averaging around 155 mm for the month. The climate data from previous years indicates that there are typically about 16 days days of rain.

Average sunshine

With approximately 198 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

If you're inclined towards comfortable temperatures and drier conditions, May is a prime time to visit Koshu. May typically offers 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 May

Min Temperature 9°C  

Max Temperature 20°C  

Chance of Rain 52%  

Precipitation 155 mm  

Rainy days 16 days  

Humidity 66% *  

Sunshine 198 hours *  

Percentage Sunshine *  

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

Where to go in Japan in May

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?

For visitors traveling to Koshu, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

6/10

Camping

3/10

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.