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August Weather in Saku, Japan

Last updated: August 23, 2025

In Saku, Japan, the average temperature in August hovers around 23°C (75°F). Expect a pleasant range with minimums dipping to 12°C (53°F) and maximums soaring up to 34°C (94°F). However, be prepared for some rain, as 190 mm (7.5 in) of precipitation is likely over about 22 days. With an average humidity of 92%, it's a perfect time to experience the lushness of the season!

August Temperature in Saku

In August in Saku, the average temperature is 23°C (75°F). Maximums can reach 34°C (94°F), while minimums can drop as low as 12°C (53°F). This makes Saku an ideal destination for travelers seeking a warm climate with pleasant variations in temperature.

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

The chart illustrates August temperature patterns in Saku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saku, August typically has an average temperature of 23°C (75°F), with highs reaching up to 34°C (94°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec313341495964727466554536
Data source: Temperature data for Saku 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 Saku

In Saku in August, the total precipitation amount is 190 mm (7.5 in) spread over 22 days.

August Precipitation Trends in Saku

The chart displays monthly precipitation patterns in Saku, 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 Saku, August typically receives around 190 mm (7.5 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec48491061051421932871901852533850
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Saku

In Saku in August, humidity is 92%. With an average temperature of 23°C (75°F), this humidity feels like traveling through a warm, thick blanket that wraps around you, making every step feel heavier and every breath a little more labored.

August Average Humidity in Saku

This chart illustrates the average monthly humidity levels in Saku, 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 Saku is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Saku

In Saku 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 Saku.

Maximum UV Index Levels in Saku for August

The chart shows the monthly maximum UV Index (UVI) for Saku 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 Saku typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891111111110753
Data source: Saku 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 Saku Compares to Other Months

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

This table compares monthly weather conditions in Saku, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)48 mm (1.9 inches)88%moderate
February Weather1°C (33°F)49 mm (1.9 inches)86%high
March Weather5°C (41°F)106 mm (4.2 inches)81%very high
April Weather9°C (49°F)105 mm (4.1 inches)78%very high
May Weather15°C (59°F)142 mm (5.6 inches)81%extreme
June Weather18°C (65°F)193 mm (7.6 inches)88%extreme
July Weather22°C (72°F)287 mm (11.3 inches)92%extreme
August Weather23°C (75°F)190 mm (7.5 inches)92%extreme
September Weather19°C (66°F)185 mm (7.3 inches)89%very high
October Weather13°C (56°F)253 mm (9.9 inches)87%high
November Weather7°C (45°F)38 mm (1.5 inches)85%moderate
December Weather2°C (36°F)50 mm (2.0 inches)86%moderate

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