August Weather in Agano, Japan

Last updated: August 23, 2025

In Agano, Japan, the average temperature in August reaches a warm 26°C (79°F). Visitors can expect a range from a cool 15°C (59°F) to a scorching 37°C (99°F). With 280 mm (11.0 in) of precipitation over 20 days, it's advisable to prepare for some rain. The weather is characterized by high humidity at 92%, making the atmosphere feel quite tropical.

August Temperature in Agano

In August in Agano, the average temperature is 26°C (79°F), with maximums reaching 37°C (99°F) and minimums dropping to as low as 15°C (59°F). This pleasant weather makes Agano an ideal destination for travelers looking to enjoy warm days and cooler nights.

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

The chart illustrates August temperature patterns in Agano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Agano, August typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 15°C (59°F).

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

August Precipitation in Agano

In Agano in August, the total precipitation amount is 280 mm (11.0 in) over a span of 20 days.

August Precipitation Trends in Agano

The chart displays monthly precipitation patterns in Agano, 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 Agano, August typically receives around 280 mm (11.0 inches) of precipitation spread over approximately 20 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 Agano

In Agano in August humidity is 92%. With an average temperature of 26°C (79°F), this humidity feels like an oppressive blanket wrapping around you, making outdoor activities a challenge and leaving you longing for shade and cool beverages.

August Average Humidity in Agano

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

In Agano 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 Agano.

Maximum UV Index Levels in Agano for August

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

Data source: Agano 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 Agano Compares to Other Months

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

This table compares monthly weather conditions in Agano, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (33°F)	184 mm (7.2 inches)	88%	moderate
February Weather	1°C (34°F)	169 mm (6.6 inches)	86%	moderate
March Weather	5°C (42°F)	163 mm (6.4 inches)	81%	high
April Weather	10°C (51°F)	152 mm (6.0 inches)	78%	very high
May Weather	17°C (62°F)	154 mm (6.1 inches)	81%	very high
June Weather	20°C (68°F)	169 mm (6.6 inches)	88%	extreme
July Weather	25°C (77°F)	353 mm (13.9 inches)	92%	extreme
August Weather	26°C (79°F)	280 mm (11.0 inches)	92%	extreme
September Weather	21°C (71°F)	180 mm (7.1 inches)	89%	very high
October Weather	15°C (60°F)	186 mm (7.3 inches)	87%	high
November Weather	9°C (49°F)	161 mm (6.3 inches)	85%	moderate
December Weather	3°C (38°F)	224 mm (8.8 inches)	86%	moderate