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August Weather in Shimizu, Japan

Last updated: August 23, 2025

In Shimizu, Japan, the average temperature in August hovers around 19°C (66°F). During this time, temperatures can dip to a refreshing 8°C (47°F) or soar to a warm 31°C (88°F). Expect to see precipitation totaling 171 mm (6.7 in) spread over 15 days, contributing to an elevated average humidity of 96%. Be prepared for a moist and mild month ahead!

August Temperature in Shimizu

In August in Shimizu, the average temperature is 19°C (66°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop to as low as 8°C (47°F). This mild climate makes Shimizu a perfect destination for travelers seeking comfortable weather.

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

The chart illustrates August temperature patterns in Shimizu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shimizu, August typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (88°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec171930415359666660493723
Data source: Temperature data for Shimizu 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 Shimizu

In Shimizu in August, the total precipitation amount is 171 mm (6.7 in) spread over 15 days.

August Precipitation Trends in Shimizu

The chart displays monthly precipitation patterns in Shimizu, 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 Shimizu, August typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5055908986109981711271528959
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Shimizu

In Shimizu in August humidity is 96%. With an average temperature of 19°C (66°F), this humidity feels like stepping into a warm, damp blanket, making travel feel sticky and exhausting, as every movement can feel laborious in the heavy air.

August Average Humidity in Shimizu

This chart illustrates the average monthly humidity levels in Shimizu, 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 Shimizu is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Shimizu

In Shimizu 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 Shimizu.

Maximum UV Index Levels in Shimizu for August

The chart shows the monthly maximum UV Index (UVI) for Shimizu 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 Shimizu typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236891010108632
Data source: Shimizu 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 Shimizu Compares to Other Months

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

This table compares monthly weather conditions in Shimizu, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)50 mm (2.0 inches)84%low
February Weather-7°C (19°F)54 mm (2.1 inches)83%moderate
March Weather-1°C (31°F)89 mm (3.5 inches)83%high
April Weather5°C (42°F)89 mm (3.5 inches)83%very high
May Weather12°C (53°F)86 mm (3.4 inches)86%very high
June Weather15°C (59°F)109 mm (4.3 inches)88%very high
July Weather19°C (66°F)98 mm (3.8 inches)93%very high
August Weather19°C (66°F)171 mm (6.7 inches)96%very high
September Weather16°C (61°F)127 mm (5.0 inches)89%very high
October Weather10°C (49°F)152 mm (6.0 inches)83%high
November Weather3°C (37°F)89 mm (3.5 inches)80%moderate
December Weather-5°C (24°F)58 mm (2.3 inches)79%low

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