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July Weather in Innoshima, Japan

Last updated: August 23, 2025

In July, the average temperature in Innoshima, Japan hovers around 26°C (80°F), with a pleasant range from a minimum of 21°C (70°F) to a maximum of 33°C (92°F). However, be prepared for some rain, as 285 mm (11.2 in) of precipitation can be expected over 15 days. With an average humidity of 92%, it's the perfect time to embrace the lush, tropical climate!

July Temperature in Innoshima

In July in Innoshima, the average temperature is 26°C (80°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 21°C (70°F). This mild and warm climate makes Innoshima an ideal destination for travelers seeking pleasant weather during this time.

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

The chart illustrates July 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, July typically has an average temperature of 26°C (80°F), with highs reaching up to 33°C (92°F) and lows dropping to around 21°C (70°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.

July Precipitation in Innoshima

In Innoshima in July, the precipitation amount is 285 mm (11.2 in) over the course of 15 days.

July Precipitation Trends in Innoshima

The chart displays monthly precipitation patterns in Innoshima, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Innoshima, July typically receives around 285 mm (11.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec54671051221161512851331772015064
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Innoshima

In Innoshima in July humidity is 92%. With an average temperature of 26°C (80°F), this humidity feels like a thick blanket enveloping you, making travel challenging as you find yourself sweating even during the mildest activities.

July Average Humidity in Innoshima

This chart illustrates the average monthly humidity levels in Innoshima, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Innoshima is approximately 92%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Innoshima

In Innoshima in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Innoshima.

Maximum UV Index Levels in Innoshima for July

The chart shows the monthly maximum UV Index (UVI) for Innoshima in July, 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 July, the maximum UV index in Innoshima typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121210764
Data source: Innoshima July 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 July 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 July’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 July’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

Compare Innoshima's Climate with Cities Worldwide