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April Weather in Shiranuka, Japan

Last updated: August 23, 2025

In April, the average temperature in Shiranuka, Japan hovers around 4°C (40°F), with a minimum drop to -4°C (26°F) and a peak reaching up to 17°C (63°F). Expect around 84 mm (3.3 in) of precipitation over 11 days, and keep in mind the average humidity can be quite high at 83%.

April Temperature in Shiranuka

In April in Shiranuka, the average temperature is 4°C (40°F), with maximums reaching up to 17°C (63°F) and minimums dipping as low as -4°C (26°F). Travelers should be prepared for a mix of chilly conditions and mild days, making it ideal for layering clothing for comfort.

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

The chart illustrates April temperature patterns in Shiranuka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shiranuka, April typically has an average temperature of 4°C (40°F), with highs reaching up to 17°C (63°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec232332404954616461534229
Data source: Temperature data for Shiranuka 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 Shiranuka

In Shiranuka, in April, the precipitation amount is 84 mm (3.3 in) during a period of 11 days.

April Precipitation Trends in Shiranuka

The chart displays monthly precipitation patterns in Shiranuka, 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 Shiranuka, April typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec464299851041121091661241968454
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Shiranuka

In Shiranuka in April humidity is 83%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring you to bundle up while bracing against the heavy, cold air.

April Average Humidity in Shiranuka

This chart illustrates the average monthly humidity levels in Shiranuka, 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 Shiranuka is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Shiranuka

In Shiranuka in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Shiranuka.

Maximum UV Index Levels in Shiranuka for April

The chart shows the monthly maximum UV Index (UVI) for Shiranuka 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 Shiranuka typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23588101098532
Data source: Shiranuka 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 Shiranuka Compares to Other Months

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

This table compares monthly weather conditions in Shiranuka, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)46 mm (1.8 inches)84%low
February Weather-5°C (23°F)42 mm (1.6 inches)83%moderate
March Weather0°C (32°F)99 mm (3.9 inches)83%moderate
April Weather4°C (40°F)84 mm (3.3 inches)83%very high
May Weather9°C (49°F)104 mm (4.1 inches)86%very high
June Weather12°C (54°F)112 mm (4.4 inches)88%very high
July Weather16°C (62°F)109 mm (4.3 inches)93%very high
August Weather18°C (65°F)166 mm (6.5 inches)96%very high
September Weather16°C (62°F)124 mm (4.9 inches)89%very high
October Weather11°C (53°F)196 mm (7.7 inches)83%moderate
November Weather5°C (42°F)84 mm (3.3 inches)80%moderate
December Weather-1°C (30°F)54 mm (2.1 inches)79%low

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