The temperatures in Yamanashi in October are usually low and can range between 10°C and 17°C.
You can expect rain for roughly half of the month of October in Yamanashi. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Yamanashi in October 2025.
If you’re planning to visit Yamanashi in the near future, we highly recommend that you review the 14 day weather forecast for Yamanashi before you arrive.
Temperatures
17° / 10°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
117
mm
Sun Hours
1.8
Hrs
