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April Weather in Yashio, Japan

Last updated: August 23, 2025

In April, the average temperature in Yashio, Japan hovers around 14°C (58°F), with minimums dipping to 3°C (37°F) and maximums peaking at 27°C (80°F). Expect a notable precipitation level of 116 mm (4.6 in) spread over approximately 10 days, contributing to an average humidity of 74%.

April Temperature in Yashio

In April in Yashio, the average temperature is 14°C (58°F), with maximums reaching up to 27°C (80°F) and minimums dropping as low as 3°C (37°F). Travelers should pack layers to comfortably enjoy a range of temperatures while exploring.

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

The chart illustrates April temperature patterns in Yashio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yashio, April typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (80°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec414351586773798375665646
Data source: Temperature data for Yashio 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 Yashio

In Yashio in April, the total precipitation amount is 116 mm (4.6 in) over a span of 10 days.

April Precipitation Trends in Yashio

The chart displays monthly precipitation patterns in Yashio, 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 Yashio, April typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec46411321171111522211031862737756
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Yashio

In Yashio in April humidity is 74%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or indoor venues more often.

April Average Humidity in Yashio

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

In Yashio 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 Yashio.

Maximum UV Index Levels in Yashio for April

The chart shows the monthly maximum UV Index (UVI) for Yashio 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 Yashio typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35891111111110754
Data source: Yashio 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 Yashio Compares to Other Months

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

This table compares monthly weather conditions in Yashio, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)46 mm (1.8 inches)76%moderate
February Weather6°C (43°F)41 mm (1.6 inches)74%moderate
March Weather10°C (51°F)132 mm (5.2 inches)70%very high
April Weather14°C (58°F)116 mm (4.6 inches)74%very high
May Weather20°C (68°F)111 mm (4.4 inches)81%extreme
June Weather23°C (73°F)152 mm (6.0 inches)88%extreme
July Weather26°C (79°F)221 mm (8.7 inches)93%extreme
August Weather28°C (83°F)103 mm (4.1 inches)90%extreme
September Weather24°C (75°F)186 mm (7.3 inches)86%very high
October Weather19°C (66°F)273 mm (10.7 inches)83%high
November Weather13°C (56°F)77 mm (3.0 inches)80%moderate
December Weather8°C (46°F)56 mm (2.2 inches)78%moderate

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