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August Weather in Nantan, Japan

Last updated: August 23, 2025

In Nantan, Japan, the average temperature in August hovers around 28°C (82°F), with a minimum of 17°C (63°F) and a peak of 36°C (97°F). Expect significant rainfall, totaling 238 mm (9.4 in) over approximately 16 days. Additionally, the air carries a high humidity level of 91%, making this month a warm and wet experience.

August Temperature in Nantan

In August in Nantan, the average temperature is 28°C (82°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 17°C (63°F). It's an ideal time for travelers seeking warm weather while still enjoying cooler evenings.

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

The chart illustrates August temperature patterns in Nantan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nantan, August typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (97°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec394048566571798274645343
Data source: Temperature data for Nantan 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 Nantan

In Nantan in August, the total precipitation amount is 238 mm (9.4 in) over a period of 16 days.

August Precipitation Trends in Nantan

The chart displays monthly precipitation patterns in Nantan, 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 Nantan, August typically receives around 238 mm (9.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec52621201551521583412391932434764
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Nantan

In Nantan in August humidity is 91%. With an average temperature of 28°C (82°F), this humidity feels like a thick blanket wrapping around you, making each step feel heavy and every breath slightly more laborious, which can be quite challenging for traveling.

August Average Humidity in Nantan

This chart illustrates the average monthly humidity levels in Nantan, 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 Nantan is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Nantan

In Nantan 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 Nantan.

Maximum UV Index Levels in Nantan for August

The chart shows the monthly maximum UV Index (UVI) for Nantan 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 Nantan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Nantan 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 Nantan Compares to Other Months

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

This table compares monthly weather conditions in Nantan, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)52 mm (2.1 inches)82%moderate
February Weather4°C (40°F)62 mm (2.4 inches)79%high
March Weather9°C (48°F)120 mm (4.7 inches)74%very high
April Weather13°C (56°F)155 mm (6.1 inches)76%very high
May Weather18°C (65°F)151 mm (6.0 inches)83%extreme
June Weather22°C (71°F)158 mm (6.2 inches)87%extreme
July Weather26°C (79°F)341 mm (13.4 inches)93%extreme
August Weather28°C (82°F)238 mm (9.4 inches)91%extreme
September Weather23°C (74°F)193 mm (7.6 inches)87%very high
October Weather18°C (64°F)243 mm (9.6 inches)85%high
November Weather12°C (53°F)46 mm (1.8 inches)83%moderate
December Weather6°C (43°F)64 mm (2.5 inches)83%moderate

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