Okayama 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 Okayama in October?
In October, Okayama is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 23.7 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 123 mm in total. All in all, October is a good month for a holiday in Okayama.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 72 | 78 | 73 |
| Day | 27° | 22° | 17° |
| Night | 21° | 15° | 9° |
| Sea | 27° | 24° | 20° |
| Sun | 5 h | 6 h | 5 h |
| Rain days | 11 | 9 | 8 |
More details for October
- Daylight
- 11 h 22 min06:09 – 17:31
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 4 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 51 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %45 %
- Few rainy daysweight 30 %64 %
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
Okayama in October: quick answers
Is Okayama hot in October?
Warm rather than hot: in October, daytime highs in Okayama average 22 °C and nights cool to about 15 °C.
Can you swim in Okayama in October?
Yes. In October the sea averages 23.7 °C – pleasant for swimming.
Does it rain much in Okayama in October?
Rain is frequent, with about 9 rainy days and 123 mm in total.
Okayama month by month
The whole year in OkayamaAll 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). Sources & licences