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August Weather in Iwaizumi, Japan

Last updated: August 23, 2025

In Iwaizumi, Japan, the average temperature in August hovers around 22°C (71°F). While the minimum can dip to 12°C (54°F), you might also enjoy those warm days reaching up to 31°C (88°F). Be prepared for wet weather, as the region sees approximately 199 mm (7.8 in) of precipitation over 18 days, resulting in a high average humidity of 92%.

August Temperature in Iwaizumi

In August in Iwaizumi, the average temperature is 22°C (71°F). Maximums can reach 31°C (88°F), and minimums can be as low as 12°C (54°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities in Iwaizumi.

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

The chart illustrates August temperature patterns in Iwaizumi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iwaizumi, August typically has an average temperature of 22°C (71°F), with highs reaching up to 31°C (88°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec282837445561697164544433
Data source: Temperature data for Iwaizumi 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 Iwaizumi

In Iwaizumi in August, the precipitation amount is 199 mm (7.8 in) over the course of 18 days.

August Precipitation Trends in Iwaizumi

The chart displays monthly precipitation patterns in Iwaizumi, 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 Iwaizumi, August typically receives around 199 mm (7.8 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec49671021191061081781991572004563
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Iwaizumi

In Iwaizumi in August, humidity is 92%. With an average temperature of 22°C (71°F), this humidity feels like a warm blanket enveloping you as you travel, making every step feel heavier and the air thick with moisture, which can leave you feeling sticky and fatigued rather than refreshed.

August Average Humidity in Iwaizumi

This chart illustrates the average monthly humidity levels in Iwaizumi, 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 Iwaizumi 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 Iwaizumi

In Iwaizumi 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 Iwaizumi.

Maximum UV Index Levels in Iwaizumi for August

The chart shows the monthly maximum UV Index (UVI) for Iwaizumi 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 Iwaizumi typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991110119643
Data source: Iwaizumi 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 Iwaizumi Compares to Other Months

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

This table compares monthly weather conditions in Iwaizumi, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)49 mm (1.9 inches)80%moderate
February Weather-2°C (29°F)67 mm (2.6 inches)79%moderate
March Weather3°C (37°F)102 mm (4.0 inches)77%high
April Weather7°C (45°F)119 mm (4.7 inches)75%very high
May Weather13°C (55°F)106 mm (4.2 inches)80%very high
June Weather16°C (61°F)108 mm (4.3 inches)87%extreme
July Weather20°C (69°F)178 mm (7.0 inches)92%very high
August Weather22°C (71°F)199 mm (7.8 inches)92%extreme
September Weather18°C (65°F)157 mm (6.2 inches)86%very high
October Weather12°C (55°F)200 mm (7.9 inches)82%high
November Weather6°C (44°F)45 mm (1.8 inches)79%moderate
December Weather0°C (33°F)63 mm (2.5 inches)80%moderate

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