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April Weather in Iwaizumi, Japan

Last updated: August 23, 2025

In April, the average temperature in Iwaizumi, Japan hovers around 7°C (45°F). Expect a chilly minimum of -6°C (21°F), while the temperature can occasionally peak at a comfortable 22°C (71°F). Be prepared for 119 mm (4.7 in) of precipitation spread over 15 days, and don't forget your umbrella, as the average humidity sits at a brisk 75%.

April Temperature in Iwaizumi

In April in Iwaizumi, the average temperature is 7°C (45°F). Maximum temperatures can reach 22°C (71°F), while minimums can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates April 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, April typically has an average temperature of 7°C (45°F), with highs reaching up to 22°C (71°F) and lows dropping to around -6°C (21°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.

April Precipitation in Iwaizumi

In Iwaizumi in April, the precipitation amount is 119 mm (4.7 in) over a span of 15 days.

April Precipitation Trends in Iwaizumi

The chart displays monthly precipitation patterns in Iwaizumi, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Iwaizumi, April typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec49671021191061081781991572004563
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Iwaizumi

In Iwaizumi in April, humidity is 75%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring you to bundle up, while the heavy air can leave you feeling sluggish as you navigate the surroundings.

April Average Humidity in Iwaizumi

This chart illustrates the average monthly humidity levels in Iwaizumi, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Iwaizumi is approximately 75%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Iwaizumi

In Iwaizumi in April, 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 Iwaizumi.

Maximum UV Index Levels in Iwaizumi for April

The chart shows the monthly maximum UV Index (UVI) for Iwaizumi in April, 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 April, the maximum UV index in Iwaizumi typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991110119643
Data source: Iwaizumi April 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 April 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 April’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 April’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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