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August Weather in Usuki, Japan

Last updated: August 23, 2025

In August, the average temperature in Usuki, Japan hovers around 28°C (83°F), with minimums dipping to 21°C (69°F) and maximums soaring to 37°C (99°F). Expect a fair amount of precipitation, totaling 228 mm (9.0 in) over 17 days, accompanied by a high average humidity level of 91%. Be prepared for a humid and wet month!

August Temperature in Usuki

In August in Usuki, the average temperature is 28°C (83°F). The maximum can reach 37°C (99°F), while the minimum can be as low as 21°C (69°F). This pleasant weather makes Usuki an ideal destination for those seeking warm and enjoyable travel experiences.

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

The chart illustrates August temperature patterns in Usuki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Usuki, August typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec444553606873818376675647
Data source: Temperature data for Usuki 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 Usuki

In Usuki in August, the precipitation amount is 228 mm (9.0 in) over a span of 17 days.

August Precipitation Trends in Usuki

The chart displays monthly precipitation patterns in Usuki, 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 Usuki, August typically receives around 228 mm (9.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec56751161101492073362282402335152
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Usuki

In Usuki in August humidity is 91%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket wrapping around you, making traveling feel exhausting and draining, as each step is met with a wave of warmth and heaviness in the air.

August Average Humidity in Usuki

This chart illustrates the average monthly humidity levels in Usuki, 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 Usuki is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Usuki

In Usuki in August, 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 Usuki.

Maximum UV Index Levels in Usuki for August

The chart shows the monthly maximum UV Index (UVI) for Usuki 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 Usuki typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111211121211764
Data source: Usuki 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 Usuki Compares to Other Months

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

This table compares monthly weather conditions in Usuki, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)56 mm (2.2 inches)75%moderate
February Weather7°C (46°F)75 mm (2.9 inches)71%high
March Weather11°C (53°F)116 mm (4.6 inches)71%very high
April Weather15°C (60°F)110 mm (4.3 inches)78%extreme
May Weather20°C (68°F)149 mm (5.9 inches)84%extreme
June Weather23°C (74°F)207 mm (8.2 inches)86%extreme
July Weather27°C (81°F)336 mm (13.2 inches)92%extreme
August Weather28°C (83°F)228 mm (9.0 inches)91%extreme
September Weather25°C (77°F)240 mm (9.5 inches)84%extreme
October Weather20°C (67°F)233 mm (9.2 inches)83%high
November Weather14°C (57°F)51 mm (2.0 inches)81%high
December Weather8°C (47°F)52 mm (2.0 inches)79%moderate

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