August Weather in Unnan, Japan

Last updated: August 23, 2025

In August, the average temperature in Unnan, Japan is a warm 27°C (81°F), making it a perfect time to enjoy the outdoors. However, prepare for a range, as temperatures can dip to a minimum of 17°C (62°F) and soar up to a maximum of 36°C (97°F). With an average precipitation of 263 mm (10.4 in) over 16 days, and humidity levels reaching 92%, it’s wise to pack both your sunglasses and an umbrella for your visit!

August Temperature in Unnan

In August, in Unnan, the average temperature is 27°C (81°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 17°C (62°F). This pleasant climate makes Unnan an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates August temperature patterns in Unnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Unnan, August typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (97°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec383947556470788172625242
Data source: Temperature data for Unnan 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 Unnan

In Unnan in August, the total precipitation amount is 263 mm (10.4 in), occurring over a span of 16 days.

August Precipitation Trends in Unnan

The chart displays monthly precipitation patterns in Unnan, 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 Unnan, August typically receives around 263 mm (10.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec9610213812510219730126323817258121
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Unnan

In Unnan in August, humidity is 92%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, thick blanket, making travel exhausting and sticky, as the air is laden with moisture that clings to your skin and makes even short excursions feel like a workout.

August Average Humidity in Unnan

This chart illustrates the average monthly humidity levels in Unnan, 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 Unnan is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Unnan

In Unnan 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 Unnan.

Maximum UV Index Levels in Unnan for August

The chart shows the monthly maximum UV Index (UVI) for Unnan 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 Unnan typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458111111121210753
Data source: Unnan 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 Unnan Compares to Other Months

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

This table compares monthly weather conditions in Unnan, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)96 mm (3.8 inches)82%moderate
February Weather4°C (40°F)102 mm (4.0 inches)79%moderate
March Weather8°C (47°F)138 mm (5.4 inches)73%very high
April Weather13°C (55°F)125 mm (4.9 inches)74%extreme
May Weather18°C (65°F)102 mm (4.0 inches)84%extreme
June Weather21°C (70°F)197 mm (7.7 inches)86%extreme
July Weather25°C (78°F)301 mm (11.9 inches)92%extreme
August Weather27°C (81°F)263 mm (10.4 inches)92%extreme
September Weather22°C (72°F)238 mm (9.4 inches)87%very high
October Weather17°C (62°F)172 mm (6.8 inches)85%high
November Weather11°C (52°F)58 mm (2.3 inches)84%moderate
December Weather6°C (43°F)121 mm (4.8 inches)82%moderate

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