August Weather in Nagai, Japan

Last updated: August 23, 2025

In August, the average temperature in Nagai, Japan hovers around 23°C (74°F). While temperatures can dip to a cool 12°C (54°F), they can also soar to a sizzling 34°C (93°F). Expect a fair amount of rain, with 221 mm (8.7 in) of precipitation over approximately 20 days. With an average humidity of 92%, it's a month that embodies the essence of a tropical climate.

August Temperature in Nagai

In August in Nagai, the average temperature is 23°C (74°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 12°C (54°F). This pleasant climate makes Nagai an ideal destination for travelers seeking a comfortable getaway during this time of year.

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

The chart illustrates August temperature patterns in Nagai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nagai, August typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 12°C (54°F).

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

August Precipitation in Nagai

In Nagai in August, the total precipitation amount is 221 mm (8.7 in) spread over 20 days.

August Precipitation Trends in Nagai

The chart displays monthly precipitation patterns in Nagai, 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 Nagai, August typically receives around 221 mm (8.7 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 Nagai

In Nagai 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 Nagai

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

In Nagai 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 Nagai.

Maximum UV Index Levels in Nagai for August

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

Data source: Nagai 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 Nagai Compares to Other Months

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

This table compares monthly weather conditions in Nagai, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	169 mm (6.6 inches)	88%	moderate
February Weather	-2°C (29°F)	167 mm (6.6 inches)	86%	moderate
March Weather	2°C (36°F)	153 mm (6.0 inches)	81%	very high
April Weather	8°C (46°F)	138 mm (5.4 inches)	78%	very high
May Weather	14°C (58°F)	120 mm (4.7 inches)	81%	very high
June Weather	18°C (64°F)	135 mm (5.3 inches)	88%	extreme
July Weather	22°C (72°F)	298 mm (11.7 inches)	92%	extreme
August Weather	23°C (74°F)	221 mm (8.7 inches)	92%	extreme
September Weather	19°C (66°F)	140 mm (5.5 inches)	89%	very high
October Weather	13°C (55°F)	164 mm (6.5 inches)	87%	high
November Weather	7°C (44°F)	118 mm (4.7 inches)	85%	moderate
December Weather	0°C (33°F)	203 mm (8.0 inches)	86%	moderate