July Weather in Koshimizu, Japan

Last updated: August 23, 2025

In Koshimizu, Japan, the average temperature in July is a pleasant 18°C (64°F). However, temperatures can range from a cool 7°C (45°F) to a warm 32°C (89°F). Expect 79 mm (3.1 in) of precipitation over about 8 days, and be prepared for high humidity at an average of 93%.

July Temperature in Koshimizu

In July in Koshimizu, the average temperature is 18°C (64°F). Maximums can reach 32°C (89°F), and minimums can drop to as low as 7°C (45°F). This makes Koshimizu a great destination for travelers seeking mild weather with the possibility of warm days and cooler evenings.

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

The chart illustrates July temperature patterns in Koshimizu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koshimizu, July typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (89°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec191828395056646561513926
Data source: Temperature data for Koshimizu 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 Koshimizu

In Koshimizu in July, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

July Precipitation Trends in Koshimizu

The chart displays monthly precipitation patterns in Koshimizu, 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 Koshimizu, July typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec54558872959679129951599670
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Koshimizu

In Koshimizu in July, humidity is 93%. With an average temperature of 18°C (64°F), this humidity feels like walking through a warm, moist fog that clings to your skin, making outdoor activities feel heavy and sluggish, while leaving you longing for the cool embrace of air conditioning.

July Average Humidity in Koshimizu

This chart illustrates the average monthly humidity levels in Koshimizu, 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 Koshimizu is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Koshimizu

In Koshimizu in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Koshimizu.

Maximum UV Index Levels in Koshimizu for July

The chart shows the monthly maximum UV Index (UVI) for Koshimizu 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 Koshimizu typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367891098532
Data source: Koshimizu 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 Koshimizu Compares to Other Months

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

This table compares monthly weather conditions in Koshimizu, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)54 mm (2.1 inches)84%low
February Weather-8°C (19°F)55 mm (2.2 inches)83%moderate
March Weather-2°C (29°F)88 mm (3.5 inches)83%high
April Weather4°C (39°F)72 mm (2.8 inches)83%high
May Weather10°C (50°F)95 mm (3.7 inches)86%very high
June Weather13°C (56°F)96 mm (3.8 inches)88%very high
July Weather18°C (64°F)79 mm (3.1 inches)93%very high
August Weather18°C (65°F)129 mm (5.1 inches)96%very high
September Weather16°C (61°F)95 mm (3.7 inches)89%very high
October Weather11°C (51°F)159 mm (6.2 inches)83%moderate
November Weather4°C (40°F)96 mm (3.8 inches)80%moderate
December Weather-3°C (27°F)70 mm (2.8 inches)79%low

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