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August Weather in Nankoku, Japan

Last updated: August 23, 2025

In Nankoku, Japan during the month of August, the average temperature is a warm 27°C (82°F). You can expect a minimum of 22°C (71°F) and a maximum of 34°C (94°F), creating a pleasant climate. However, be prepared for some rain, as the area receives approximately 298 mm (11.7 in) of precipitation over 19 days. Among all this, the average humidity sits at a high 88%, ensuring a tropical feel throughout the month.

August Temperature in Nankoku

In August in Nankoku, the average temperature is 27°C (82°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to 22°C (71°F). This weather makes it an ideal time to explore and enjoy outdoor activities in Nankoku.

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

The chart illustrates August temperature patterns in Nankoku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nankoku, August typically has an average temperature of 27°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec464753606772798177695950
Data source: Temperature data for Nankoku 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 Nankoku

In Nankoku in August, the precipitation amount is 298 mm (11.7 in) spread over 19 days.

August Precipitation Trends in Nankoku

The chart displays monthly precipitation patterns in Nankoku, 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 Nankoku, August typically receives around 298 mm (11.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec54861471702062865232982622516367
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Nankoku

In Nankoku in August humidity is 88%. With an average temperature of 27°C (82°F), this humidity feels like a warm, enveloping blanket that can be quite discomforting for traveling, leaving you drenched in sweat and longing for a cool breeze.

August Average Humidity in Nankoku

This chart illustrates the average monthly humidity levels in Nankoku, 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 Nankoku is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%70%70%76%83%86%91%88%85%82%79%77%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Nankoku

In Nankoku 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 Nankoku.

Maximum UV Index Levels in Nankoku for August

The chart shows the monthly maximum UV Index (UVI) for Nankoku 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 Nankoku typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112121210764
Data source: Nankoku 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 Nankoku Compares to Other Months

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

This table compares monthly weather conditions in Nankoku, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)54 mm (2.1 inches)74%moderate
February Weather8°C (47°F)86 mm (3.4 inches)70%high
March Weather12°C (54°F)147 mm (5.8 inches)70%very high
April Weather15°C (60°F)170 mm (6.7 inches)76%extreme
May Weather19°C (67°F)206 mm (8.1 inches)82%extreme
June Weather22°C (73°F)286 mm (11.3 inches)86%extreme
July Weather26°C (79°F)523 mm (20.6 inches)91%extreme
August Weather27°C (82°F)298 mm (11.7 inches)88%extreme
September Weather25°C (77°F)262 mm (10.3 inches)85%very high
October Weather20°C (69°F)251 mm (9.9 inches)82%high
November Weather15°C (59°F)63 mm (2.5 inches)79%high
December Weather10°C (50°F)67 mm (2.7 inches)77%moderate

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