Japan in October: what to expect

October is the month Japan's weather settles. The summer heat and humidity are gone, the September typhoon peak is fading, and most of Honshū gets clear, dry days with comfortable temperatures. Tokyo, Kyoto, Osaka and Hiroshima all sit in the same band: daytime highs around 22 °C, nights around 15 °C, with low rainfall compared with June or September.

The north runs cooler and earlier. Sapporo and the Hokkaidō mountains are already into autumn, with highs near 16 °C and lows near 7 °C, and the first snow can dust the highest peaks late in the month. Okinawa stays subtropical and warm, around 27 °C, but it is still inside its typhoon window, so keep a flexible plan if you are heading south.

Typhoons are less likely than in September but not impossible, particularly in the first half of the month. A storm usually costs one or two days of ferries and flights rather than a whole trip. Build one spare day into any island or long-distance leg.

October sits in the middle of Japan's travel calendar. It is not a national holiday week like Golden Week or Obon, and it is not yet the November leaf peak, so hotel rates in Tokyo, Kyoto and Osaka are noticeably below late March, April and November. Weekends and the Sports Day long weekend are the exceptions: domestic trips fill trains and city hotels for two or three days.

The second half of the month is busier than the first, as domestic travellers chase the autumn colours in Hokkaidō, Tōhoku and the Japanese Alps. If you want the cheapest and quietest version of October, aim for the first ten days and keep Kyoto for weekdays.

Reserve Shinkansen seats for weekend travel and for the Sports Day window, and book Kyoto accommodation several weeks ahead if your dates fall after mid-month.

October's biggest fixed point is Sports Day (the second Monday), a national holiday that turns into a three-day weekend and pushes domestic travel up. Beyond that, the month is dominated by local festivals rather than one national event: harvest and autumn matsuri at shrines across the country, food fairs, and the start of autumn colour reports from the north.

The other thing to plan around is the autumn-leaf front. It reaches Hokkaidō in October, moves down through Tōhoku and the Alps, and only arrives in Kyoto and Tokyo in November. That means October is a leaf month for the north and a comfortable green-to-gold month for the big cities.

For a first trip, the classic Honshū line works at its best in October: Tokyo, then Kyoto and Osaka, then Hiroshima and Miyajima. Days are comfortable for walking, temples and gardens look their best after the summer rain, and you are not fighting the November leaf crowds.

For autumn colour, go north or up. Hokkaidō turns first, then Tōhoku and the Japanese Alps; Sapporo, Aomori and the Nagano and Matsumoto areas are the obvious bases. Okinawa and the southern islands stay warm and swimmable, but early October can still bring a typhoon, so keep ferry and flight plans flexible.

If you have three weeks, combine a city week with a northern leaf week; if you have one week, stay on the Tokyo–Kyoto–Osaka axis and take one day trip.

Pack for a mild autumn with cool evenings: light layers you can add and remove through the day, a thin jumper or fleece, and a light waterproof shell. A compact umbrella is worth carrying, since rain still arrives in short bursts even in a dry month.

Comfortable walking shoes matter more than anything else — October is a month for full days on your feet. Add a small day bag, a power bank for long sightseeing days, and a coin purse, because many smaller shops and lockers still run on cash.

If you are heading to Hokkaidō or the Alps, add a warmer mid-layer and gloves for early mornings; if you are going to Okinawa, pack for summer with a rain shell.

September is still hot and sits at the peak of typhoon season, so it is cheaper but less predictable. November brings the autumn leaves to Kyoto and Tokyo with excellent weather, but hotel prices climb to their autumn peak, especially mid-to-late month.

December turns cold and clear in the cities and stays quiet until the New Year shutdown from 29 December. If your dates are flexible, October is the best balance of weather, crowds and price; if you want the leaves in the big cities, shift to November and book early.