When is the best time of year to go?

The best time to attend KCP is when you have time to devote to intensive, productive study of the Japanese language: when your schedule is clear and you can really concentrate on language study.

That said, Spring and Summer have the most festivals; Fall and Winter have fewer (though there are certainly some—the Japanese love their festivals!), so you can concentrate more on your studies. The most moderate weather in Tokyo is during Spring and Fall terms. Find out about festivals here.