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October Weather in Innoshima, Japan

Last updated: August 23, 2025

In October, the average temperature in Innoshima, Japan is a comfortable 20°C (69°F). However, temperatures can dip to a minimum of 12°C (53°F) and soar to a maximum of 29°C (85°F). Expect about 201 mm (7.9 in) of precipitation spread over 11 days, contributing to a high average humidity of 85%.

October Temperature in Innoshima

In October in Innoshima, the average temperature is 20°C (69°F). Maximums can reach 29°C (85°F) and minimums can be as low as 12°C (53°F). This mild weather makes it an ideal time for exploring and enjoying outdoor activities in Innoshima.

October Weather in Innoshima: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Innoshima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Innoshima, October typically has an average temperature of 20°C (69°F), with highs reaching up to 29°C (85°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec454551586672808377685949
Data source: Temperature data for Innoshima generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Innoshima

In Innoshima in October, the total precipitation amount is 201 mm (7.9 in) spread over 11 days.

October Precipitation Trends in Innoshima

The chart displays monthly precipitation patterns in Innoshima, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Innoshima, October typically receives around 201 mm (7.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec54671051221161512851331772015064
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Innoshima

In Innoshima in October humidity is 85%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that can make even short walks feel tiring, creating a heavy atmosphere that may deter longer excursions but offers an opportunity to explore shaded areas and savor refreshing drinks.

October Average Humidity in Innoshima

This chart illustrates the average monthly humidity levels in Innoshima, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Innoshima is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Innoshima

In Innoshima in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Innoshima.

Maximum UV Index Levels in Innoshima for October

The chart shows the monthly maximum UV Index (UVI) for Innoshima in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Innoshima typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121210764
Data source: Innoshima October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Innoshima Compares to Other Months

Weather in Innoshima varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Innoshima, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Innoshima, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)54 mm (2.1 inches)82%moderate
February Weather7°C (45°F)67 mm (2.6 inches)79%moderate
March Weather11°C (51°F)105 mm (4.1 inches)73%very high
April Weather14°C (58°F)122 mm (4.8 inches)74%very high
May Weather19°C (66°F)116 mm (4.6 inches)84%extreme
June Weather22°C (73°F)151 mm (5.9 inches)86%extreme
July Weather26°C (80°F)285 mm (11.2 inches)92%extreme
August Weather29°C (84°F)133 mm (5.2 inches)92%extreme
September Weather25°C (78°F)177 mm (7.0 inches)87%very high
October Weather20°C (69°F)201 mm (7.9 inches)85%high
November Weather15°C (59°F)50 mm (2.0 inches)84%high
December Weather10°C (50°F)64 mm (2.5 inches)82%moderate

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