August Weather in Omu, Japan

Last updated: August 23, 2025

In Omu, Japan, the average temperature in August hovers around 19°C (66°F). You can expect a minimum of 10°C (51°F) and a maximum of 30°C (86°F) during this period. The region experiences substantial precipitation, with an average of 157 mm (6.2 in) spread over 15 days. Additionally, prepare for high humidity levels, averaging 95%, making the atmosphere feel quite warm and steamy.

August Temperature in Omu

In August in Omu, the average temperature is 19°C (66°F), with maximums reaching up to 30°C (86°F) and minimums dipping as low as 10°C (51°F). It's a great time to visit, as you can enjoy mild weather perfect for outdoor activities and exploring the local sights.

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

The chart illustrates August temperature patterns in Omu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omu, August typically has an average temperature of 19°C (66°F), with highs reaching up to 30°C (86°F) and lows dropping to around 10°C (51°F).

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

August Precipitation in Omu

In Omu in August, the precipitation amount is 157 mm (6.2 in) over a period of 15 days.

August Precipitation Trends in Omu

The chart displays monthly precipitation patterns in Omu, 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 Omu, August typically receives around 157 mm (6.2 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 Omu

In Omu in August humidity is 95%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel sticky and enervating.

August Average Humidity in Omu

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

In Omu in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Omu.

Maximum UV Index Levels in Omu for August

The chart shows the monthly maximum UV Index (UVI) for Omu 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 Omu typically reaches 9, which falls under the very high exposure category.

Data source: Omu 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 Omu Compares to Other Months

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

This table compares monthly weather conditions in Omu, 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 (20°F)	63 mm (2.5 inches)	87%	low
February Weather	-6°C (21°F)	63 mm (2.5 inches)	86%	moderate
March Weather	-1°C (30°F)	73 mm (2.9 inches)	85%	high
April Weather	4°C (40°F)	60 mm (2.3 inches)	85%	high
May Weather	10°C (51°F)	87 mm (3.4 inches)	88%	very high
June Weather	13°C (56°F)	88 mm (3.5 inches)	88%	very high
July Weather	18°C (65°F)	82 mm (3.2 inches)	93%	very high
August Weather	19°C (66°F)	157 mm (6.2 inches)	95%	very high
September Weather	17°C (62°F)	80 mm (3.1 inches)	88%	high
October Weather	11°C (51°F)	134 mm (5.3 inches)	80%	moderate
November Weather	4°C (39°F)	102 mm (4.0 inches)	78%	moderate
December Weather	-3°C (27°F)	69 mm (2.7 inches)	82%	low