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April Weather in Shintoku, Japan

Last updated: August 23, 2025

In April, the average temperature in Shintoku, Japan is a brisk 4°C (40°F), with temperatures ranging from a chilling -9°C (16°F) to a mild 20°C (68°F). Expect a significant precipitation amount of 96 mm (3.8 in) over approximately 14 days, contributing to an average humidity of 83%. Stay prepared for a mix of chilly days and occasional warmth!

April Temperature in Shintoku

In April in Shintoku, the average temperature is 4°C (40°F). Maximum temperatures can reach 20°C (68°F), while minimum temperatures can drop as low as -9°C (16°F). Visitors should be prepared for a wide range of temperatures during their travel.

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

The chart illustrates April temperature patterns in Shintoku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shintoku, April typically has an average temperature of 4°C (40°F), with highs reaching up to 20°C (68°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec151829395257666559483521
Data source: Temperature data for Shintoku 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 Shintoku

In Shintoku in April, the total precipitation amount is 96 mm (3.8 in) over the course of 14 days.

April Precipitation Trends in Shintoku

The chart displays monthly precipitation patterns in Shintoku, 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 Shintoku, April typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec526296969511710417712915610570
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Shintoku

In Shintoku 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 Shintoku

This chart illustrates the average monthly humidity levels in Shintoku, 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 Shintoku 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 Shintoku

In Shintoku 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 Shintoku.

Maximum UV Index Levels in Shintoku for April

The chart shows the monthly maximum UV Index (UVI) for Shintoku 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 Shintoku typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236891010108632
Data source: Shintoku 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 Shintoku Compares to Other Months

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

This table compares monthly weather conditions in Shintoku, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)52 mm (2.0 inches)84%low
February Weather-8°C (18°F)62 mm (2.5 inches)83%moderate
March Weather-2°C (29°F)96 mm (3.8 inches)83%high
April Weather4°C (40°F)96 mm (3.8 inches)83%very high
May Weather11°C (52°F)95 mm (3.7 inches)86%very high
June Weather14°C (58°F)117 mm (4.6 inches)88%very high
July Weather19°C (66°F)104 mm (4.1 inches)93%very high
August Weather18°C (65°F)177 mm (7.0 inches)96%very high
September Weather15°C (59°F)129 mm (5.1 inches)89%very high
October Weather9°C (48°F)156 mm (6.2 inches)83%high
November Weather2°C (35°F)105 mm (4.1 inches)80%moderate
December Weather-6°C (22°F)70 mm (2.8 inches)79%low

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