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August Weather in Shibukawa, Japan

Last updated: August 23, 2025

In Shibukawa, Japan, the weather in August is warm and inviting with an average temperature of 25°C (78°F). Prepare for some variability, as temperatures can range from a cool 13°C (56°F) to a sizzling 36°C (96°F). You'll also want to pack your umbrella, as 173 mm (6.8 in) of precipitation falls over 19 days on average. With a humidity level hitting 92%, it’s the perfect time to embrace the tropical vibes!

August Temperature in Shibukawa

In August in Shibukawa, the average temperature is 25°C (78°F). Maximums can reach 36°C (96°F), and minimums can be as low as 13°C (56°F). It’s a great time for travelers to enjoy a mix of warm days and cooler evenings while exploring all that Shibukawa has to offer.

August Weather in Shibukawa: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Shibukawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shibukawa, August typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (96°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec353745526268747769605040
Data source: Temperature data for Shibukawa 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.

August Precipitation in Shibukawa

In Shibukawa in August, the precipitation amount is 173 mm (6.8 in) over a span of 19 days.

August Precipitation Trends in Shibukawa

The chart displays monthly precipitation patterns in Shibukawa, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Shibukawa, August typically receives around 173 mm (6.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec64611241361451602711731892654761
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Shibukawa

In Shibukawa in August, humidity is 92%. With an average temperature of 25°C (78°F), this humidity feels like a thick blanket wrapping around you, making travel uncomfortable and sticky as you navigate through the heat.

August Average Humidity in Shibukawa

This chart illustrates the average monthly humidity levels in Shibukawa, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Shibukawa is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Shibukawa

In Shibukawa in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Shibukawa.

Maximum UV Index Levels in Shibukawa for August

The chart shows the monthly maximum UV Index (UVI) for Shibukawa in August, 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 August, the maximum UV index in Shibukawa typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891111111110753
Data source: Shibukawa August 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 August Weather in Shibukawa Compares to Other Months

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

This table compares monthly weather conditions in Shibukawa, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)64 mm (2.5 inches)88%moderate
February Weather3°C (37°F)61 mm (2.4 inches)86%high
March Weather7°C (45°F)124 mm (4.9 inches)81%very high
April Weather11°C (53°F)136 mm (5.4 inches)78%very high
May Weather17°C (62°F)145 mm (5.7 inches)81%extreme
June Weather20°C (68°F)160 mm (6.3 inches)88%extreme
July Weather24°C (75°F)271 mm (10.7 inches)92%extreme
August Weather25°C (78°F)173 mm (6.8 inches)92%extreme
September Weather21°C (70°F)188 mm (7.4 inches)89%very high
October Weather15°C (60°F)265 mm (10.5 inches)87%high
November Weather10°C (50°F)47 mm (1.9 inches)85%moderate
December Weather5°C (40°F)61 mm (2.4 inches)86%moderate

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