The yearly average temperature in Chubu Region ranges from 9°C48°F in Matsumoto to 15°C59°F in Gifu.
More detailed information about the weather in Chubu Region can be found on the page for each city.
Please post about running and in English. Other posts may be removed.
Namban Rengo (https://namban.org/) is a good tip if you are new in Tokyo and don't know the langua..