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April Weather in Yamakita, Japan

Last updated: August 23, 2025

In April, the average temperature in Yamakita, Japan hovers around 12°C (55°F), with a minimum dipping to -1°C (31°F) and a maximum reaching 25°C (78°F). Expect about 173 mm (6.8 in) of precipitation spread over 14 days, accompanied by an average humidity of 74%. Whether you're basking in the warmth or bracing for the chill, it's a month of varied climate experiences!

April Temperature in Yamakita

In April in Yamakita, the average temperature is 12°C (55°F). The maximum can reach 25°C (78°F), while the minimum can be as low as -1°C (31°F). Be sure to pack layers and check the weather forecast before your trip to ensure you are prepared for the varying temperatures.

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

The chart illustrates April temperature patterns in Yamakita, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yamakita, April typically has an average temperature of 12°C (55°F), with highs reaching up to 25°C (78°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec394147546368757971625344
Data source: Temperature data for Yamakita 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 Yamakita

In Yamakita in April, the precipitation amount is 173 mm (6.8 in) during a span of 14 days.

April Precipitation Trends in Yamakita

The chart displays monthly precipitation patterns in Yamakita, 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 Yamakita, April typically receives around 173 mm (6.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec698320217318023432119824236010279
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Yamakita

In Yamakita in April, humidity is 74%. With an average temperature of 12°C (55°F), this humidity feels like a cool, damp chill clinging to your skin, making outdoor activities less enjoyable and encouraging you to seek sheltered spots or cozy cafes to stay warm while exploring the area.

April Average Humidity in Yamakita

This chart illustrates the average monthly humidity levels in Yamakita, 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 Yamakita is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Yamakita

In Yamakita 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 Yamakita.

Maximum UV Index Levels in Yamakita for April

The chart shows the monthly maximum UV Index (UVI) for Yamakita 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 Yamakita typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Yamakita 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 Yamakita Compares to Other Months

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

This table compares monthly weather conditions in Yamakita, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)69 mm (2.7 inches)76%moderate
February Weather5°C (41°F)83 mm (3.3 inches)74%high
March Weather8°C (47°F)202 mm (7.9 inches)70%very high
April Weather12°C (55°F)173 mm (6.8 inches)74%very high
May Weather17°C (63°F)180 mm (7.1 inches)81%extreme
June Weather20°C (69°F)234 mm (9.2 inches)88%extreme
July Weather24°C (76°F)321 mm (12.6 inches)93%extreme
August Weather26°C (79°F)198 mm (7.8 inches)90%extreme
September Weather22°C (72°F)242 mm (9.5 inches)86%very high
October Weather17°C (62°F)360 mm (14.2 inches)83%high
November Weather12°C (53°F)102 mm (4.0 inches)80%moderate
December Weather6°C (44°F)79 mm (3.1 inches)78%moderate

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