August Weather in Arai, Japan

Last updated: August 23, 2025

In August, the average temperature in Arai, Japan hovers around 25°C (77°F). You'll experience a comfortable range with minimums dipping to 13°C (55°F) and maximums soaring to 35°C (95°F). Be prepared for some rain, as 210 mm (8.3 in) of precipitation is expected over 22 days. With an average humidity of 92%, the atmosphere tends to be quite muggy.

August Temperature in Arai

In August in Arai, the average temperature is 25°C (77°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 13°C (55°F). This makes Arai an ideal destination for travelers seeking warm weather with pleasant evenings.

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

The chart illustrates August temperature patterns in Arai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arai, August typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 13°C (55°F).

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

August Precipitation in Arai

In Arai in August, the precipitation amount is 210 mm (8.3 in) over the course of 22 days.

August Precipitation Trends in Arai

The chart displays monthly precipitation patterns in Arai, 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 Arai, August typically receives around 210 mm (8.3 inches) of precipitation spread over approximately 22 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 Arai

In Arai in August humidity is 92%. With an average temperature of 25°C (77°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel rather stifling and exhausting, as the air weighs down on each breath and every step you take.

August Average Humidity in Arai

This chart illustrates the average monthly humidity levels in Arai, 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 Arai 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 Arai

In Arai 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 Arai.

Maximum UV Index Levels in Arai for August

The chart shows the monthly maximum UV Index (UVI) for Arai 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 Arai typically reaches 11, which falls under the extreme exposure category.

Data source: Arai 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 Arai Compares to Other Months

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

This table compares monthly weather conditions in Arai, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	227 mm (8.9 inches)	88%	moderate
February Weather	0°C (33°F)	188 mm (7.4 inches)	86%	moderate
March Weather	4°C (40°F)	149 mm (5.8 inches)	81%	very high
April Weather	9°C (49°F)	146 mm (5.8 inches)	78%	very high
May Weather	16°C (60°F)	152 mm (6.0 inches)	81%	very high
June Weather	19°C (66°F)	173 mm (6.8 inches)	88%	extreme
July Weather	23°C (75°F)	353 mm (13.9 inches)	92%	extreme
August Weather	25°C (77°F)	210 mm (8.3 inches)	92%	extreme
September Weather	20°C (69°F)	207 mm (8.2 inches)	89%	very high
October Weather	15°C (59°F)	235 mm (9.3 inches)	87%	high
November Weather	8°C (48°F)	144 mm (5.7 inches)	85%	moderate
December Weather	2°C (37°F)	247 mm (9.7 inches)	86%	moderate