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April Weather in Shinjo, Japan

Last updated: August 23, 2025

In April, the average temperature in Shinjo, Japan hovers around 12°C (53°F). Expect a range from a chilly -2°C (29°F) to a pleasant 27°C (81°F). Be prepared for 137 mm (5.4 in) of precipitation spread over approximately 12 days, contributing to an average humidity of 74%.

April Temperature in Shinjo

In April in Shinjo, the average temperature is 12°C (53°F). Maximum temperatures can reach 27°C (81°F), while minimums can dip as low as -2°C (29°F). Be prepared for a wide range of temperatures during your visit, so pack accordingly for both warm and cold conditions.

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

The chart illustrates April temperature patterns in Shinjo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shinjo, April typically has an average temperature of 12°C (53°F), with highs reaching up to 27°C (81°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec363745536369767971615040
Data source: Temperature data for Shinjo 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 Shinjo

In Shinjo in April, the precipitation amount is 137 mm (5.4 in) that occurs over the course of 12 days.

April Precipitation Trends in Shinjo

The chart displays monthly precipitation patterns in Shinjo, 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 Shinjo, April typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec849314413711721635028725420056109
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Shinjo

In Shinjo in April, humidity is 74%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill wraps around you, making outdoor activities less enjoyable and encouraging you to seek cozy indoor spots instead.

April Average Humidity in Shinjo

This chart illustrates the average monthly humidity levels in Shinjo, 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 Shinjo is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Shinjo

In Shinjo in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Shinjo.

Maximum UV Index Levels in Shinjo for April

The chart shows the monthly maximum UV Index (UVI) for Shinjo 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 Shinjo typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210753
Data source: Shinjo 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 Shinjo Compares to Other Months

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

This table compares monthly weather conditions in Shinjo, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)84 mm (3.3 inches)82%moderate
February Weather3°C (37°F)93 mm (3.7 inches)79%high
March Weather7°C (45°F)144 mm (5.7 inches)73%very high
April Weather12°C (53°F)137 mm (5.4 inches)74%very high
May Weather17°C (63°F)117 mm (4.6 inches)84%extreme
June Weather20°C (69°F)216 mm (8.5 inches)86%extreme
July Weather25°C (77°F)350 mm (13.8 inches)92%extreme
August Weather26°C (79°F)287 mm (11.3 inches)92%extreme
September Weather21°C (71°F)254 mm (10.0 inches)87%very high
October Weather16°C (61°F)200 mm (7.9 inches)85%high
November Weather10°C (50°F)56 mm (2.2 inches)84%moderate
December Weather5°C (40°F)109 mm (4.3 inches)82%moderate

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