Tokyo weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Good
Best time to visit: April – June, September – November
What is the weather like in Tokyo in October?
In October, Tokyo is mild: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 21.7 °C – refreshing for a swim. Expect around 4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 193 mm in total. All in all, October is a good month for a holiday in Tokyo.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 64 | 65 | 62 |
| Day | 26° | 21° | 16° |
| Night | 20° | 14° | 8° |
| Sea | 25° | 22° | 19° |
| Sun | 4 h | 4 h | 5 h |
| Rain days | 14 | 13 | 10 |
More details for October
- Daylight
- 11 h 21 min05:46 – 17:07
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 4 daysdew point 18 °C or more
- Wind
- 18 km/haverage daily peak
- Cloud cover
- 62 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %20 %
- Few rainy daysweight 30 %36 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Tokyo in October: quick answers
Is Tokyo hot in October?
No. In October, Tokyo is mild: daytime highs average 21 °C and nights drop to about 14 °C.
Can you swim in Tokyo in October?
Yes. In October the sea averages 21.7 °C – refreshing for a swim.
Does it rain much in Tokyo in October?
Rain is frequent, with about 13 rainy days and 193 mm in total.
Tokyo month by month
The whole year in TokyoAll destinations: JapanWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)