nomadseason

August Weather in Oga, Japan

Last updated: August 23, 2025

In August, the average temperature in Oga, Japan is a pleasant 25°C (78°F), with lows reaching 19°C (66°F) and highs soaring to 31°C (89°F). Prepare for some wet days, as this month sees about 199 mm (7.8 in) of precipitation over 13 days. Don't forget to brace yourself for the humidity, which averages an impressive 92%!

August Temperature in Oga

In August in Oga, the average temperature is 25°C (78°F). Maximum can reach 31°C (89°F) and minimum can be as low as 19°C (66°F). This pleasant climate makes Oga an ideal destination for travelers seeking warm and comfortable weather.

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

The chart illustrates August temperature patterns in Oga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oga, August typically has an average temperature of 25°C (78°F), with highs reaching up to 31°C (89°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec373743495865747772635342
Data source: Temperature data for Oga generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Oga

In Oga in August, the total precipitation amount reaches 199 mm (7.8 in) over a span of 13 days.

August Precipitation Trends in Oga

The chart displays monthly precipitation patterns in Oga, 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 Oga, August typically receives around 199 mm (7.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec148159116129133146161199165218194257
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Oga

In Oga in August, humidity is 92%. With an average temperature of 25°C (78°F), this humidity feels like a thick blanket wrapping around you, making travel uncomfortable and sticky as you navigate through the heat.

August Average Humidity in Oga

This chart illustrates the average monthly humidity levels in Oga, 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 Oga is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%76%78%86%90%93%92%84%80%76%78%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Oga

In Oga 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 Oga.

Maximum UV Index Levels in Oga for August

The chart shows the monthly maximum UV Index (UVI) for Oga 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 Oga typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec336891010119642
Data source: Oga 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 Oga Compares to Other Months

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

This table compares monthly weather conditions in Oga, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)148 mm (5.8 inches)79%moderate
February Weather3°C (37°F)159 mm (6.3 inches)78%moderate
March Weather6°C (43°F)116 mm (4.6 inches)76%high
April Weather9°C (49°F)129 mm (5.1 inches)78%very high
May Weather14°C (58°F)133 mm (5.2 inches)86%very high
June Weather18°C (65°F)146 mm (5.8 inches)90%very high
July Weather23°C (74°F)160 mm (6.3 inches)93%very high
August Weather25°C (78°F)199 mm (7.8 inches)92%extreme
September Weather22°C (72°F)165 mm (6.5 inches)84%very high
October Weather17°C (63°F)218 mm (8.6 inches)80%high
November Weather11°C (53°F)194 mm (7.6 inches)76%moderate
December Weather6°C (42°F)256 mm (10.1 inches)78%low

Compare Oga's Climate with Cities Worldwide