August Weather in Naganohara, Japan

Last updated: August 23, 2025

In Naganohara, Japan, the average temperature in August reaches a comfortable 23°C (74°F). However, it can range from a cool 11°C (52°F) to a sweltering 33°C (92°F). Expect 244 mm (9.6 in) of precipitation spread over 25 days, accompanied by an average humidity of 92%. Be prepared for a mix of warmth and showers during your visit!

August Temperature in Naganohara

In August in Naganohara, the average temperature is 23°C (74°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop to as low as 11°C (52°F). This range makes Naganohara an ideal destination for travelers seeking pleasant weather for outdoor activities.

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

The chart illustrates August temperature patterns in Naganohara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naganohara, August typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (92°F) and lows dropping to around 11°C (52°F).

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

August Precipitation in Naganohara

In Naganohara in August, the total precipitation amount is 244 mm (9.6 in) spread over 25 days.

August Precipitation Trends in Naganohara

The chart displays monthly precipitation patterns in Naganohara, 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 Naganohara, August typically receives around 244 mm (9.6 inches) of precipitation spread over approximately 25 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 Naganohara

In Naganohara in August, humidity is 92%. With an average temperature of 23°C (74°F), this humidity feels like a heavy blanket wrapped around you, making it sticky and uncomfortable for traveling.

August Average Humidity in Naganohara

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

In Naganohara 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 Naganohara.

Maximum UV Index Levels in Naganohara for August

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

Data source: Naganohara 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 Naganohara Compares to Other Months

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

This table compares monthly weather conditions in Naganohara, 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 (30°F)	78 mm (3.1 inches)	88%	moderate
February Weather	0°C (32°F)	72 mm (2.8 inches)	86%	high
March Weather	4°C (40°F)	125 mm (4.9 inches)	81%	very high
April Weather	9°C (48°F)	130 mm (5.1 inches)	78%	very high
May Weather	15°C (59°F)	173 mm (6.8 inches)	81%	extreme
June Weather	18°C (64°F)	223 mm (8.8 inches)	88%	extreme
July Weather	22°C (72°F)	341 mm (13.4 inches)	92%	extreme
August Weather	23°C (74°F)	244 mm (9.6 inches)	92%	extreme
September Weather	19°C (66°F)	222 mm (8.7 inches)	89%	very high
October Weather	13°C (56°F)	264 mm (10.4 inches)	87%	high
November Weather	7°C (45°F)	54 mm (2.1 inches)	85%	moderate
December Weather	2°C (35°F)	74 mm (2.9 inches)	86%	moderate