August Weather in Sunagawa, Japan

Last updated: August 23, 2025

In Sunagawa, Japan, the average temperature in August hovers around 20°C (69°F). Expect a minimum of 9°C (48°F) and a comfortable maximum of 32°C (89°F). However, be prepared for 184 mm (7.3 in) of rainfall spread over 15 days, accompanied by a high average humidity of 95%—perfect for those who enjoy a lush, green environment!

August Temperature in Sunagawa

In August in Sunagawa, the average temperature is 20°C (69°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop as low as 9°C (48°F). It's a great time to visit for those who enjoy mild weather with a chance for warmer days.

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

The chart illustrates August temperature patterns in Sunagawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunagawa, August typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (89°F) and lows dropping to around 9°C (48°F).

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

August Precipitation in Sunagawa

In Sunagawa in August, the precipitation amount is 184 mm (7.3 in) over the course of 15 days.

August Precipitation Trends in Sunagawa

The chart displays monthly precipitation patterns in Sunagawa, 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 Sunagawa, August typically receives around 184 mm (7.3 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 Sunagawa

In Sunagawa in August, humidity is 95%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket wrapping around you, making travel feel heavy and stifling, as every step seems to pull you down in the thick, moist air.

August Average Humidity in Sunagawa

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

In Sunagawa 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 Sunagawa.

Maximum UV Index Levels in Sunagawa for August

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

Data source: Sunagawa 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 Sunagawa Compares to Other Months

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

This table compares monthly weather conditions in Sunagawa, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	58 mm (2.3 inches)	84%	low
February Weather	-6°C (22°F)	77 mm (3.0 inches)	83%	moderate
March Weather	0°C (32°F)	86 mm (3.4 inches)	81%	high
April Weather	6°C (43°F)	75 mm (2.9 inches)	81%	high
May Weather	12°C (54°F)	97 mm (3.8 inches)	86%	very high
June Weather	16°C (60°F)	99 mm (3.9 inches)	87%	very high
July Weather	20°C (69°F)	104 mm (4.1 inches)	93%	very high
August Weather	20°C (69°F)	184 mm (7.3 inches)	95%	very high
September Weather	17°C (62°F)	105 mm (4.1 inches)	88%	very high
October Weather	10°C (51°F)	142 mm (5.6 inches)	83%	moderate
November Weather	3°C (38°F)	139 mm (5.5 inches)	79%	moderate
December Weather	-4°C (25°F)	102 mm (4.0 inches)	80%	low