August Weather in Shiraoi, Japan

Last updated: August 23, 2025

In August, the average temperature in Shiraoi, Japan hovers around 20°C (68°F), creating a pleasantly mild atmosphere. Expect minimums of 12°C (54°F) and highs reaching up to 28°C (82°F). Be prepared for some rain, as 194 mm (7.6 in) of precipitation might drench the area over 15 days. With an average humidity of 95%, it’s a month that will surely keep you feeling refreshed!

August Temperature in Shiraoi

In August in Shiraoi, the average temperature is 20°C (68°F), with a maximum that can reach 28°C (82°F) and a minimum as low as 12°C (54°F). It's a great time to explore outdoor activities while enjoying mild weather!

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

The chart illustrates August temperature patterns in Shiraoi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shiraoi, August typically has an average temperature of 20°C (68°F), with highs reaching up to 28°C (82°F) and lows dropping to around 12°C (54°F).

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

August Precipitation in Shiraoi

In Shiraoi in August, the total precipitation amount is 194 mm (7.6 in) spread over 15 days.

August Precipitation Trends in Shiraoi

The chart displays monthly precipitation patterns in Shiraoi, 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 Shiraoi, August typically receives around 194 mm (7.6 inches) of precipitation spread over approximately 15 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 Shiraoi

In Shiraoi in August, humidity is 95%. With an average temperature of 20°C (68°F), this humidity feels like walking through a steamy cloud, making travel feel heavy and draining as even the slightest activity leaves you feeling sticky and exhausted.

August Average Humidity in Shiraoi

This chart illustrates the average monthly humidity levels in Shiraoi, 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 Shiraoi is approximately 95%, 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 Shiraoi

In Shiraoi 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 Shiraoi.

Maximum UV Index Levels in Shiraoi for August

The chart shows the monthly maximum UV Index (UVI) for Shiraoi 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 Shiraoi typically reaches 10, which falls under the very high exposure category.

Data source: Shiraoi 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 Shiraoi Compares to Other Months

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

This table compares monthly weather conditions in Shiraoi, 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 (26°F)	58 mm (2.3 inches)	84%	low
February Weather	-3°C (26°F)	53 mm (2.1 inches)	83%	moderate
March Weather	1°C (34°F)	88 mm (3.5 inches)	81%	moderate
April Weather	5°C (42°F)	96 mm (3.8 inches)	81%	high
May Weather	10°C (51°F)	92 mm (3.6 inches)	86%	very high
June Weather	14°C (58°F)	131 mm (5.2 inches)	87%	very high
July Weather	18°C (66°F)	113 mm (4.4 inches)	93%	very high
August Weather	20°C (68°F)	194 mm (7.6 inches)	95%	very high
September Weather	18°C (64°F)	142 mm (5.6 inches)	88%	very high
October Weather	12°C (54°F)	140 mm (5.5 inches)	83%	high
November Weather	6°C (43°F)	107 mm (4.2 inches)	79%	moderate
December Weather	-1°C (30°F)	64 mm (2.5 inches)	80%	low