Koshu weather in October (Yamanashi, Japan)

How is the weather in Koshu in October? Here's what the weather might have in store during this month.

In October, Koshu generally has pleasant temperatures and heavy rainfall. Throughout the day, temperatures typically settle at around 18°C. But by evening, they drop to around 9°C.

Koshu in October falls under the rainy season with heavy rainfall, averaging around 217 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 14 days of the month will see rainfall.

The area enjoys a balanced 170 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you're looking for dry conditions and comfortable temperatures, October 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 October

Min Temperature 9°C  

Max Temperature 18°C  

Chance of Rain 48%  

Precipitation 217 mm  

Rainy days 14 days  

Humidity 68% *  

Sunshine 170 hours *  

Percentage Sunshine *  

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

Where to go in Japan in October

Find out more about the weather in Japan in October and which places have the best weather 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 Koshu in October?

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 in October.

Swimming

6/10

Camping

3/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.