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April Weather in Kasagi, Japan

Last updated: August 23, 2025

In April, the average temperature in Kasagi, Japan hovers around 14°C (57°F), with minimums dipping to -1°C (31°F) and maximums rising to 27°C (81°F). Expect about 129 mm (5.1 in) of precipitation spread over 10 days, and enjoy a relatively high average humidity of 76%.

April Temperature in Kasagi

In April in Kasagi, the average temperature is 14°C (57°F). Maximum temperatures can reach 27°C (81°F), while minimums can dip as low as -1°C (31°F). This makes it a great time for travelers to experience a mix of warm days and cooler evenings, so be sure to pack accordingly!

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

The chart illustrates April temperature patterns in Kasagi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasagi, April typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (81°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec394148576672808275645344
Data source: Temperature data for Kasagi 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 Kasagi

In Kasagi in April, the precipitation amount is 129 mm (5.1 in) over a span of 10 days.

April Precipitation Trends in Kasagi

The chart displays monthly precipitation patterns in Kasagi, 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 Kasagi, April typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec54651241291481562631561502484061
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kasagi

In Kasagi in April humidity is 76%. With an average temperature of 14°C (57°F), this humidity feels like a warm blanket wrapped around you, creating a heavy atmosphere that can make outdoor activities feel sluggish and stifling, urging travelers to seek shade and refreshment more frequently.

April Average Humidity in Kasagi

This chart illustrates the average monthly humidity levels in Kasagi, 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 Kasagi is approximately 76%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Kasagi

In Kasagi in April, 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 Kasagi.

Maximum UV Index Levels in Kasagi for April

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

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

This table compares monthly weather conditions in Kasagi, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)54 mm (2.1 inches)82%moderate
February Weather5°C (41°F)65 mm (2.5 inches)79%high
March Weather9°C (49°F)124 mm (4.9 inches)74%very high
April Weather14°C (57°F)129 mm (5.1 inches)76%extreme
May Weather19°C (66°F)148 mm (5.8 inches)83%extreme
June Weather22°C (73°F)156 mm (6.1 inches)87%extreme
July Weather26°C (80°F)263 mm (10.3 inches)93%extreme
August Weather28°C (83°F)156 mm (6.1 inches)91%extreme
September Weather24°C (75°F)150 mm (5.9 inches)87%very high
October Weather18°C (65°F)248 mm (9.7 inches)85%high
November Weather12°C (53°F)40 mm (1.6 inches)83%moderate
December Weather6°C (44°F)61 mm (2.4 inches)83%moderate

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