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August Weather in Okawara, Japan

Last updated: August 23, 2025

In August, the average temperature in Okawara, Japan is a comfortable 25°C (77°F). Temperatures can dip to a minimum of 16°C (60°F) and soar to a maximum of 33°C (92°F). Be prepared for 203 mm (8.0 in) of precipitation over approximately 20 days, contributing to an average humidity of a high 90%.

August Temperature in Okawara

In August in Okawara, the average temperature is 25°C (77°F). Maximums can reach 33°C (92°F) and minimums can be as low as 16°C (60°F). This pleasant climate makes it an ideal destination for outdoor activities and exploration.

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

The chart illustrates August temperature patterns in Okawara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Okawara, August typically has an average temperature of 25°C (77°F), with highs reaching up to 33°C (92°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec343643506066737770604939
Data source: Temperature data for Okawara 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 Okawara

In Okawara in August, the precipitation amount is 203 mm (8.0 in) spread over 20 days.

August Precipitation Trends in Okawara

The chart displays monthly precipitation patterns in Okawara, 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 Okawara, August typically receives around 203 mm (8.0 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec58461121091161052522031732333759
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Okawara

In Okawara in August humidity is 90%. With an average temperature of 25°C (77°F), this humidity feels like a warm, moist blanket enveloping you, making any outdoor travel feel stifling and heavy, often leading to a quick exhaustion as you navigate through the sultry air.

August Average Humidity in Okawara

This chart illustrates the average monthly humidity levels in Okawara, 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 Okawara is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Okawara

In Okawara in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Okawara.

Maximum UV Index Levels in Okawara for August

The chart shows the monthly maximum UV Index (UVI) for Okawara 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 Okawara typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478101011109643
Data source: Okawara 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 Okawara Compares to Other Months

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

This table compares monthly weather conditions in Okawara, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)58 mm (2.3 inches)76%moderate
February Weather2°C (36°F)46 mm (1.8 inches)75%moderate
March Weather6°C (43°F)112 mm (4.4 inches)72%high
April Weather10°C (50°F)109 mm (4.3 inches)73%very high
May Weather16°C (61°F)116 mm (4.6 inches)80%very high
June Weather19°C (66°F)105 mm (4.1 inches)87%very high
July Weather23°C (74°F)252 mm (9.9 inches)92%extreme
August Weather25°C (77°F)203 mm (8.0 inches)90%very high
September Weather21°C (70°F)173 mm (6.8 inches)84%very high
October Weather15°C (60°F)233 mm (9.2 inches)80%high
November Weather10°C (49°F)37 mm (1.5 inches)77%moderate
December Weather4°C (39°F)59 mm (2.3 inches)77%moderate

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