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August Weather in Uonuma, Japan

Last updated: August 23, 2025

In Uonuma, Japan, the average temperature for August is a pleasant 25°C (77°F). During this time, you can expect temperatures to vary, with a minimum of 13°C (55°F) and a maximum reaching 35°C (96°F). Prepare for a wet month, as precipitation averages around 195 mm (7.7 in) over 21 days, accompanied by a high humidity level of 92%.

August Temperature in Uonuma

In August in Uonuma, the average temperature is 25°C (77°F). Maximums can reach 35°C (96°F) and minimums can be as low as 13°C (55°F). This pleasant climate makes Uonuma an ideal destination for travelers seeking both warmth and comfortable temperatures.

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

The chart illustrates August temperature patterns in Uonuma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uonuma, August typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (96°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec313239486167757769584735
Data source: Temperature data for Uonuma generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Uonuma

In Uonuma in August, the precipitation amount is 195 mm (7.7 in) over the course of 21 days.

August Precipitation Trends in Uonuma

The chart displays monthly precipitation patterns in Uonuma, 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 Uonuma, August typically receives around 195 mm (7.7 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec254244193171168177371195181228178283
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Uonuma

In Uonuma in August humidity is 92%. With an average temperature of 25°C (77°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel rather stifling and exhausting, as the air weighs down on each breath and every step you take.

August Average Humidity in Uonuma

This chart illustrates the average monthly humidity levels in Uonuma, 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 Uonuma is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Uonuma

In Uonuma 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 Uonuma.

Maximum UV Index Levels in Uonuma for August

The chart shows the monthly maximum UV Index (UVI) for Uonuma 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 Uonuma typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589101111119753
Data source: Uonuma 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 Uonuma Compares to Other Months

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

This table compares monthly weather conditions in Uonuma, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)254 mm (10.0 inches)88%moderate
February Weather0°C (32°F)244 mm (9.6 inches)86%moderate
March Weather4°C (39°F)193 mm (7.6 inches)81%very high
April Weather9°C (49°F)171 mm (6.7 inches)78%very high
May Weather16°C (61°F)168 mm (6.6 inches)81%very high
June Weather19°C (67°F)177 mm (7.0 inches)88%extreme
July Weather24°C (75°F)371 mm (14.6 inches)92%extreme
August Weather25°C (77°F)195 mm (7.7 inches)92%extreme
September Weather21°C (69°F)180 mm (7.1 inches)89%very high
October Weather15°C (59°F)228 mm (9.0 inches)87%high
November Weather8°C (47°F)178 mm (7.0 inches)85%moderate
December Weather2°C (35°F)283 mm (11.2 inches)86%moderate

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