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August Weather in Shunan, Japan

Last updated: August 23, 2025

In Shunan, Japan, the average temperature in August is a warm 27°C (81°F). Expect temperatures to range from a minimum of 21°C (70°F) to a maximum of 33°C (91°F). During this month, the area experiences significant rainfall, with 235 mm (9.3 in) of precipitation spread over 13 days, leading to a high average humidity of 91%.

August Temperature in Shunan

In August in Shunan, the average temperature is 27°C (81°F). Maximums can reach 33°C (91°F), and minimums can be as low as 21°C (70°F). This makes it a great time for travelers to enjoy warm weather while exploring the beauty of Shunan.

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

The chart illustrates August temperature patterns in Shunan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shunan, August typically has an average temperature of 27°C (81°F), with highs reaching up to 33°C (91°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec444451576571788175675748
Data source: Temperature data for Shunan 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 Shunan

In Shunan in August, the total precipitation amount is 235 mm (9.3 in) over a span of 13 days.

August Precipitation Trends in Shunan

The chart displays monthly precipitation patterns in Shunan, 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 Shunan, August typically receives around 235 mm (9.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec57821301441662043582352211534565
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Shunan

In Shunan in August, humidity is 91%. With an average temperature of 27°C (81°F), this humidity feels like a warm, thick haze wrapping around you, making travel feel sluggish and the air heavy, damp with the scent of earth and greenery, which can be both enchanting and exhausting.

August Average Humidity in Shunan

This chart illustrates the average monthly humidity levels in Shunan, 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 Shunan 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 Shunan

In Shunan 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 Shunan.

Maximum UV Index Levels in Shunan for August

The chart shows the monthly maximum UV Index (UVI) for Shunan 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 Shunan typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458111111121210764
Data source: Shunan 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 Shunan Compares to Other Months

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

This table compares monthly weather conditions in Shunan, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)57 mm (2.2 inches)75%moderate
February Weather7°C (45°F)82 mm (3.2 inches)71%moderate
March Weather10°C (51°F)130 mm (5.1 inches)71%very high
April Weather14°C (57°F)144 mm (5.7 inches)78%extreme
May Weather18°C (65°F)166 mm (6.5 inches)84%extreme
June Weather22°C (71°F)203 mm (8.0 inches)86%extreme
July Weather26°C (78°F)358 mm (14.1 inches)92%extreme
August Weather27°C (81°F)235 mm (9.3 inches)91%extreme
September Weather24°C (76°F)221 mm (8.7 inches)84%very high
October Weather20°C (67°F)153 mm (6.0 inches)83%high
November Weather14°C (58°F)45 mm (1.8 inches)81%high
December Weather9°C (48°F)65 mm (2.6 inches)79%moderate

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