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April Weather in Kasumigaura, Japan

Last updated: August 23, 2025

In April, the average temperature in Kasumigaura, Japan hovers around 14°C (57°F), with a notable range that sees minimums dipping to 0°C (32°F) and maximums peaking at 28°C (82°F). You can expect 118 mm (4.6 in) of rainfall spread over 12 days, contributing to an average humidity level of 73%. Embrace the blend of cool breezes and occasional showers that characterize this vibrant season!

April Temperature in Kasumigaura

In April in Kasumigaura, the average temperature is 14°C (57°F). Maximums can reach 28°C (82°F), and minimums can be as low as 0°C (32°F). Travelers should be prepared for a range of temperatures and pack accordingly to enjoy their visit.

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

The chart illustrates April temperature patterns in Kasumigaura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasumigaura, April typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (82°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec394249566671788174645544
Data source: Temperature data for Kasumigaura 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 Kasumigaura

In Kasumigaura in April, the precipitation amount is 118 mm (4.6 in) spread over 12 days.

April Precipitation Trends in Kasumigaura

The chart displays monthly precipitation patterns in Kasumigaura, 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 Kasumigaura, April typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec44411341181311402201171722397858
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kasumigaura

In Kasumigaura in April, humidity is 73%. With an average temperature of 14°C (57°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially uncomfortable for extended periods. Travelers should stay hydrated and take breaks in shaded areas to fully appreciate the vibrant surroundings.

April Average Humidity in Kasumigaura

This chart illustrates the average monthly humidity levels in Kasumigaura, 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 Kasumigaura is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kasumigaura

In Kasumigaura 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 Kasumigaura.

Maximum UV Index Levels in Kasumigaura for April

The chart shows the monthly maximum UV Index (UVI) for Kasumigaura 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 Kasumigaura typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109653
Data source: Kasumigaura 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 Kasumigaura Compares to Other Months

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

This table compares monthly weather conditions in Kasumigaura, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)44 mm (1.7 inches)76%moderate
February Weather5°C (42°F)41 mm (1.6 inches)75%moderate
March Weather10°C (49°F)134 mm (5.3 inches)72%high
April Weather14°C (57°F)118 mm (4.6 inches)73%very high
May Weather19°C (66°F)131 mm (5.1 inches)80%very high
June Weather22°C (71°F)140 mm (5.5 inches)87%extreme
July Weather25°C (78°F)220 mm (8.7 inches)92%extreme
August Weather27°C (81°F)117 mm (4.6 inches)90%very high
September Weather23°C (74°F)172 mm (6.8 inches)84%very high
October Weather18°C (65°F)239 mm (9.4 inches)80%high
November Weather13°C (55°F)78 mm (3.1 inches)77%moderate
December Weather7°C (44°F)58 mm (2.3 inches)77%moderate

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