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August Weather in Shonai, Japan

Last updated: August 23, 2025

In Shonai, Japan, the average temperature in August hovers around 25°C (77°F), with lows dipping to 15°C (59°F) and highs potentially reaching 36°C (97°F). Expect significant precipitation, with an average of 269 mm (10.6 in) over approximately 19 days, resulting in a high average humidity of 92%. Whether you're exploring the vibrant surroundings or enjoying the cozy indoors, be prepared for a humid climate!

August Temperature in Shonai

In August in Shonai, the average temperature is 25°C (77°F). Maximums can reach 36°C (97°F), and minimums can be as low as 15°C (59°F). It's an ideal time to explore outdoor activities and enjoy the pleasant weather.

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

The chart illustrates August temperature patterns in Shonai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shonai, August typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec333340486066747769584837
Data source: Temperature data for Shonai 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 Shonai

In Shonai in August, the precipitation amount is 269 mm (10.6 in) over the course of 19 days.

August Precipitation Trends in Shonai

The chart displays monthly precipitation patterns in Shonai, 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 Shonai, August typically receives around 269 mm (10.6 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec181171147144138147268269169190170241
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Shonai

In Shonai in August humidity is 92%. With an average temperature of 25°C (77°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel rather stifling and exhausting, as the air weighs down on each breath and every step you take.

August Average Humidity in Shonai

This chart illustrates the average monthly humidity levels in Shonai, 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 Shonai is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%76%78%86%90%93%92%84%80%76%78%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Shonai

In Shonai 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 Shonai.

Maximum UV Index Levels in Shonai for August

The chart shows the monthly maximum UV Index (UVI) for Shonai 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 Shonai typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991011119643
Data source: Shonai 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 Shonai Compares to Other Months

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

This table compares monthly weather conditions in Shonai, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)181 mm (7.1 inches)79%moderate
February Weather1°C (34°F)171 mm (6.7 inches)78%moderate
March Weather4°C (40°F)147 mm (5.8 inches)76%high
April Weather9°C (49°F)144 mm (5.7 inches)78%very high
May Weather15°C (60°F)137 mm (5.4 inches)86%very high
June Weather19°C (67°F)147 mm (5.8 inches)90%very high
July Weather24°C (75°F)268 mm (10.5 inches)93%extreme
August Weather25°C (77°F)269 mm (10.6 inches)92%extreme
September Weather20°C (69°F)169 mm (6.6 inches)84%very high
October Weather15°C (59°F)190 mm (7.5 inches)80%high
November Weather9°C (48°F)169 mm (6.7 inches)76%moderate
December Weather3°C (37°F)241 mm (9.5 inches)78%moderate

Compare Shonai's Climate with Cities Worldwide