The temperatures in Otaru in October are quite cold with temperatures between 6°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Otaru. 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.
Please note that Otaru can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Otaru in October 2025.
If you’re planning to visit Otaru in the near future, we highly recommend that you review the 14 day weather forecast for Otaru before you arrive.
Temperatures
14° / 6°
Rainy Days
8
Snowy Days
1
Dry Days
22
Rainfall
149
mm
Sun Hours
5.0
Hrs
