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August Weather in Semboku, Japan

Last updated: August 23, 2025

In August, the average temperature in Semboku, Japan hovers around 22°C (73°F). Expect a minimum of 11°C (52°F) and a peak of 33°C (92°F), making for quite a range. With 238 mm (9.4 in) of precipitation over 17 days, it's wise to prepare for some wet weather. The air is quite thick as well, with an average humidity of 92%.

August Temperature in Semboku

In August in Semboku, the average temperature is 22°C (73°F). Maximums can reach 33°C (92°F), while minimums can dip as low as 11°C (52°F). This pleasant climate makes Semboku an ideal destination for travelers seeking a comfortable getaway.

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

The chart illustrates August temperature patterns in Semboku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Semboku, August typically has an average temperature of 22°C (73°F), with highs reaching up to 33°C (92°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec252634445663717264534129
Data source: Temperature data for Semboku 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 Semboku

In Semboku in August, the total precipitation amount is 238 mm (9.4 in), falling over the course of 17 days.

August Precipitation Trends in Semboku

The chart displays monthly precipitation patterns in Semboku, 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 Semboku, August typically receives around 238 mm (9.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec105140141170160182237238170179134153
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Semboku

In Semboku in August humidity is 92%. With an average temperature of 22°C (73°F), this humidity feels like an oppressive blanket wrapping around you, making every step feel heavier and every breath a little more challenging for traveling.

August Average Humidity in Semboku

This chart illustrates the average monthly humidity levels in Semboku, 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 Semboku is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Semboku

In Semboku 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 Semboku.

Maximum UV Index Levels in Semboku for August

The chart shows the monthly maximum UV Index (UVI) for Semboku 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 Semboku typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991010119643
Data source: Semboku 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 Semboku Compares to Other Months

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

This table compares monthly weather conditions in Semboku, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)105 mm (4.1 inches)80%moderate
February Weather-3°C (26°F)140 mm (5.5 inches)79%moderate
March Weather1°C (34°F)141 mm (5.6 inches)77%high
April Weather6°C (44°F)170 mm (6.7 inches)75%very high
May Weather13°C (56°F)160 mm (6.3 inches)80%very high
June Weather17°C (63°F)182 mm (7.2 inches)87%very high
July Weather21°C (71°F)237 mm (9.3 inches)92%very high
August Weather22°C (73°F)238 mm (9.4 inches)92%extreme
September Weather18°C (65°F)170 mm (6.7 inches)86%very high
October Weather12°C (54°F)179 mm (7.1 inches)82%high
November Weather5°C (42°F)134 mm (5.3 inches)79%moderate
December Weather-1°C (30°F)153 mm (6.0 inches)80%moderate

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