August Weather in Shiso, Japan

Last updated: August 23, 2025

In August, the average temperature in Shiso, Japan is a warm 27°C (82°F). Expect a comfortable minimum of 18°C (64°F) but prepare for occasional highs of 36°C (97°F). With an average precipitation of 241 mm (9.5 in) spread over 14 days, and a notably high average humidity of 92%, this month can feel quite tropical.

August Temperature in Shiso

In August in Shiso, the average temperature is 27°C (82°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop to as low as 18°C (64°F). Travelers should be prepared for warm days and cooler nights when visiting.

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

The chart illustrates August temperature patterns in Shiso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shiso, August typically has an average temperature of 27°C (82°F), with highs reaching up to 36°C (97°F) and lows dropping to around 18°C (64°F).

Data source: Temperature data for Shiso generated using information from the Copernicus Climate Change Service.

August Precipitation in Shiso

In Shiso in August, the precipitation amount is 241 mm (9.5 in) over the course of 14 days.

August Precipitation Trends in Shiso

The chart displays monthly precipitation patterns in Shiso, 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 Shiso, August typically receives around 241 mm (9.5 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Shiso

In Shiso in August humidity is 92%. With an average temperature of 27°C (82°F), this humidity feels like a thick, heavy blanket enveloping you, making traveling quite uncomfortable as sweat clings to your skin and every step feels laborious.

August Average Humidity in Shiso

This chart illustrates the average monthly humidity levels in Shiso, 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 Shiso is approximately 92%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Shiso

In Shiso 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 Shiso.

Maximum UV Index Levels in Shiso for August

The chart shows the monthly maximum UV Index (UVI) for Shiso 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 Shiso typically reaches 12, which falls under the extreme exposure category.

Data source: Shiso 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 Shiso Compares to Other Months

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

This table compares monthly weather conditions in Shiso, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	42 mm (1.7 inches)	82%	moderate
February Weather	5°C (41°F)	56 mm (2.2 inches)	79%	high
March Weather	9°C (48°F)	116 mm (4.6 inches)	73%	very high
April Weather	13°C (56°F)	135 mm (5.3 inches)	74%	extreme
May Weather	18°C (65°F)	127 mm (5.0 inches)	84%	extreme
June Weather	22°C (71°F)	170 mm (6.7 inches)	86%	extreme
July Weather	26°C (79°F)	326 mm (12.8 inches)	92%	extreme
August Weather	27°C (82°F)	241 mm (9.5 inches)	92%	extreme
September Weather	23°C (74°F)	237 mm (9.3 inches)	87%	very high
October Weather	18°C (64°F)	205 mm (8.1 inches)	85%	high
November Weather	12°C (53°F)	38 mm (1.5 inches)	84%	moderate
December Weather	6°C (44°F)	58 mm (2.3 inches)	82%	moderate