October weather forecastInno-shima, Japan
October weather for Inno-shima, Japan: In Inno-shima, Japan, in October, the average water temperature is 23.7°C (74.7°F). In Inno-shima, Japan, in October, the average water temperature is 23.7°C (74.7°F).
October
Weather in October
Sea temperature
In Inno-shima, Japan, in October, the average water temperature is 23.7°C (74.7°F).Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.7°C (74.7°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)
Daylight
The average length of the day in October is 11h and 20min.On the first day of October, sunrise is at 06:01 and sunset at 17:51. On the last day of the month, sunrise is at 06:26 and sunset at 17:15 JST.
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Inno-shima, Japan, in October, the average water temperature is 23.7°C (74.7°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.7°C (74.7°F) water.
In Inno-shima, Japan, the average day length in October is 11h and 20min.
On the first day of October in Inno-shima, sunrise is at 06:01 and sunset at 17:51. On the last day of the month, sunrise is at 06:26 and sunset at 17:15 JST.
Average sea temperature in October
Inno-shima, Japan
- Average sea temperature in October: 23.7°C
The best month for swimming (with the highest average sea temperature) is August (27.2°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).
Average daylight in October
Inno-shima, Japan
- Average daylight in October: 11h and 18min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).





