August Weather in Joyo, Japan

Last updated: August 23, 2025

In August, the average temperature in Joyo, Japan hovers around 29°C (85°F). You can expect a comfortable minimum of 19°C (66°F), while temperatures may peak at a sizzling 38°C (101°F). Be prepared for some rain, with an expected precipitation amount of 150 mm (5.9 in) over 10 days, and take note that the average humidity is quite high at 91%.

August Temperature in Joyo

In August, in Joyo, the average temperature is 29°C (85°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 19°C (66°F). This makes for warm and pleasant weather, perfect for outdoor adventures and exploration.

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

The chart illustrates August temperature patterns in Joyo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joyo, August typically has an average temperature of 29°C (85°F), with highs reaching up to 38°C (101°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec424351596875828577675646
Data source: Temperature data for Joyo 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 Joyo

In Joyo in August, the precipitation amount reaches 150 mm (5.9 in) over the course of 10 days.

August Precipitation Trends in Joyo

The chart displays monthly precipitation patterns in Joyo, 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 Joyo, August typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec48601101291441402451501422264055
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Joyo

In Joyo in August humidity is 91%. With an average temperature of 29°C (85°F), this humidity feels like stepping into a warm, heavy blanket, making travel uncomfortable and leaving you drenched in sweat within moments of stepping outside.

August Average Humidity in Joyo

This chart illustrates the average monthly humidity levels in Joyo, 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 Joyo is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Joyo

In Joyo 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 Joyo.

Maximum UV Index Levels in Joyo for August

The chart shows the monthly maximum UV Index (UVI) for Joyo 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 Joyo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121110753
Data source: Joyo 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 Joyo Compares to Other Months

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

This table compares monthly weather conditions in Joyo, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)48 mm (1.9 inches)82%moderate
February Weather6°C (43°F)60 mm (2.4 inches)79%high
March Weather10°C (51°F)110 mm (4.3 inches)74%very high
April Weather15°C (59°F)129 mm (5.1 inches)76%extreme
May Weather20°C (68°F)144 mm (5.7 inches)83%extreme
June Weather24°C (75°F)140 mm (5.5 inches)87%extreme
July Weather28°C (82°F)245 mm (9.7 inches)93%extreme
August Weather29°C (85°F)150 mm (5.9 inches)91%extreme
September Weather25°C (78°F)142 mm (5.6 inches)87%very high
October Weather19°C (67°F)226 mm (8.9 inches)85%high
November Weather13°C (56°F)40 mm (1.6 inches)83%moderate
December Weather8°C (46°F)55 mm (2.2 inches)83%moderate

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