August Weather in Oma, Japan

Last updated: August 23, 2025

In August, the average temperature in Oma, Japan hovers around 21°C (71°F). Expect minimums of 17°C (63°F) and maximums of 27°C (80°F), providing a comfortable range. However, be prepared for approximately 171 mm (6.7 in) of precipitation over 13 days, along with a high average humidity of 97%, making it a month of both warmth and moisture.

August Temperature in Oma

In August in Oma, the average temperature is 21°C (71°F), with maximums reaching 27°C (80°F) and minimums dropping to as low as 17°C (63°F). It's a comfortable time to visit, perfect for exploring outdoor attractions and enjoying the pleasant weather.

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

The chart illustrates August temperature patterns in Oma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oma, August typically has an average temperature of 21°C (71°F), with highs reaching up to 27°C (80°F) and lows dropping to around 17°C (63°F).

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

August Precipitation in Oma

In Oma in August, the precipitation amount is 171 mm (6.7 in) over a period of 13 days.

August Precipitation Trends in Oma

The chart displays monthly precipitation patterns in Oma, 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 Oma, August typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 13 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 Oma

In Oma in August, humidity is 97%. With an average temperature of 21°C (71°F), this humidity feels like a heavy blanket enveloping you, making travel somewhat strenuous as each step is accompanied by a thick, warm air that clings to your skin and leaves you longing for a cool breeze.

August Average Humidity in Oma

This chart illustrates the average monthly humidity levels in Oma, 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 Oma is approximately 97%, 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 Oma

In Oma 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 Oma.

Maximum UV Index Levels in Oma for August

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

Data source: Oma 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 Oma Compares to Other Months

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

This table compares monthly weather conditions in Oma, 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 (34°F)	117 mm (4.6 inches)	79%	low
February Weather	1°C (34°F)	115 mm (4.5 inches)	78%	moderate
March Weather	4°C (40°F)	94 mm (3.7 inches)	77%	moderate
April Weather	7°C (46°F)	97 mm (3.8 inches)	78%	very high
May Weather	11°C (52°F)	95 mm (3.8 inches)	86%	very high
June Weather	14°C (58°F)	107 mm (4.2 inches)	91%	very high
July Weather	19°C (66°F)	100 mm (3.9 inches)	95%	very high
August Weather	21°C (71°F)	171 mm (6.7 inches)	97%	extreme
September Weather	20°C (69°F)	116 mm (4.6 inches)	89%	very high
October Weather	16°C (61°F)	159 mm (6.3 inches)	81%	high
November Weather	9°C (49°F)	133 mm (5.2 inches)	78%	moderate
December Weather	3°C (38°F)	167 mm (6.6 inches)	77%	low