August Weather in Rikubetsu, Japan

Last updated: August 23, 2025

In Rikubetsu, Japan, the average temperature in August is a pleasant 18°C (65°F). However, be prepared for a range, as temperatures can dip to a cool 8°C (47°F) or soar to a warm 32°C (90°F). During this month, precipitation averages 147 mm (5.8 in), typically spread over 13 days, contributing to an average humidity level of 96%. Be ready for a mix of weather and don't forget your umbrella!

August Temperature in Rikubetsu

In August in Rikubetsu, the average temperature is 18°C (65°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 8°C (47°F). It's an ideal time for travelers to enjoy mild weather while exploring the local attractions and outdoor activities.

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

The chart illustrates August temperature patterns in Rikubetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rikubetsu, August typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec171829405156646559483724
Data source: Temperature data for Rikubetsu 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 Rikubetsu

In Rikubetsu in August, the total precipitation amount is 147 mm (5.8 in), which occurs over a span of 13 days.

August Precipitation Trends in Rikubetsu

The chart displays monthly precipitation patterns in Rikubetsu, 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 Rikubetsu, August typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec504988789010483147931367752
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Rikubetsu

In Rikubetsu in August humidity is 96%. With an average temperature of 18°C (65°F), this humidity feels like a heavy blanket that clings to your skin, making outdoor activities less enjoyable and creating an oppressive atmosphere for traveling.

August Average Humidity in Rikubetsu

This chart illustrates the average monthly humidity levels in Rikubetsu, 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 Rikubetsu is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Rikubetsu

In Rikubetsu 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 Rikubetsu.

Maximum UV Index Levels in Rikubetsu for August

The chart shows the monthly maximum UV Index (UVI) for Rikubetsu 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 Rikubetsu typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2368891098532
Data source: Rikubetsu 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 Rikubetsu Compares to Other Months

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

This table compares monthly weather conditions in Rikubetsu, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)50 mm (2.0 inches)84%low
February Weather-8°C (18°F)49 mm (1.9 inches)83%moderate
March Weather-2°C (29°F)88 mm (3.5 inches)83%high
April Weather4°C (40°F)78 mm (3.1 inches)83%very high
May Weather11°C (51°F)90 mm (3.6 inches)86%very high
June Weather14°C (57°F)104 mm (4.1 inches)88%very high
July Weather18°C (65°F)83 mm (3.3 inches)93%very high
August Weather18°C (65°F)147 mm (5.8 inches)96%very high
September Weather15°C (59°F)93 mm (3.6 inches)89%very high
October Weather9°C (49°F)136 mm (5.4 inches)83%moderate
November Weather3°C (37°F)77 mm (3.0 inches)80%moderate
December Weather-5°C (24°F)52 mm (2.1 inches)79%low

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