August Weather in Yatsushiro, Japan

Last updated: August 23, 2025

In Yatsushiro, Japan, the average temperature in August hovers around 26°C (80°F), with a minimum of 20°C (68°F) and a maximum reaching 34°C (93°F). Expect a notable precipitation amount of 238 mm (9.4 in) spread over 15 days, contributing to the region's average humidity of 91%. Be prepared for a warm, wet month!

August Temperature in Yatsushiro

In August in Yatsushiro, the average temperature is 26°C (80°F), with maximums reaching 34°C (93°F) and minimums dropping to 20°C (68°F). This makes it an ideal time for travelers seeking warm weather and outdoor activities.

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

The chart illustrates August temperature patterns in Yatsushiro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yatsushiro, August typically has an average temperature of 26°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 20°C (68°F).

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

August Precipitation in Yatsushiro

In Yatsushiro in August, the precipitation amount is 238 mm (9.4 in) during a span of 15 days.

August Precipitation Trends in Yatsushiro

The chart displays monthly precipitation patterns in Yatsushiro, 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 Yatsushiro, August typically receives around 238 mm (9.4 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 Yatsushiro

In Yatsushiro in August, humidity is 91%. With an average temperature of 26°C (80°F), this humidity feels like a thick, heavy blanket wrapping around you, making travel feel sluggish and uncomfortable as you sweat with every step.

August Average Humidity in Yatsushiro

This chart illustrates the average monthly humidity levels in Yatsushiro, 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 Yatsushiro is approximately 91%, 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 Yatsushiro

In Yatsushiro in August, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Yatsushiro.

Maximum UV Index Levels in Yatsushiro for August

The chart shows the monthly maximum UV Index (UVI) for Yatsushiro 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 Yatsushiro typically reaches 13, which falls under the extreme exposure category.

Data source: Yatsushiro 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 Yatsushiro Compares to Other Months

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

This table compares monthly weather conditions in Yatsushiro, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	64 mm (2.5 inches)	75%	moderate
February Weather	6°C (43°F)	112 mm (4.4 inches)	71%	high
March Weather	10°C (51°F)	157 mm (6.2 inches)	71%	very high
April Weather	14°C (58°F)	150 mm (5.9 inches)	78%	very high
May Weather	19°C (66°F)	229 mm (9.0 inches)	84%	extreme
June Weather	22°C (72°F)	339 mm (13.4 inches)	86%	extreme
July Weather	25°C (78°F)	444 mm (17.5 inches)	92%	extreme
August Weather	26°C (80°F)	238 mm (9.4 inches)	91%	extreme
September Weather	23°C (74°F)	209 mm (8.2 inches)	84%	extreme
October Weather	18°C (65°F)	140 mm (5.5 inches)	83%	very high
November Weather	12°C (54°F)	85 mm (3.4 inches)	81%	high
December Weather	7°C (44°F)	87 mm (3.4 inches)	79%	moderate