April Weather in Yoichi, Japan

Last updated: August 23, 2025

In April, the average temperature in Yoichi, Japan is a cool 5°C (42°F), with a minimum dipping to -4°C (26°F) and a maximum soaring up to 17°C (63°F). Expect 76 mm (3.0 in) of precipitation spread over approximately 12 days, contributing to an average humidity of 81%.

April Temperature in Yoichi

In April in Yoichi, the average temperature is 5°C (42°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -4°C (26°F). This weather makes it essential to pack layers for your travels, allowing you to stay comfortable while exploring the area.

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

The chart illustrates April temperature patterns in Yoichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yoichi, April typically has an average temperature of 5°C (42°F), with highs reaching up to 17°C (63°F) and lows dropping to around -4°C (26°F).

Data source: Temperature data for Yoichi generated using information from the Copernicus Climate Change Service.

April Precipitation in Yoichi

In Yoichi in April, the total precipitation amount is 76 mm (3.0 in), occurring over the course of 12 days.

April Precipitation Trends in Yoichi

The chart displays monthly precipitation patterns in Yoichi, 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 Yoichi, April typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Yoichi

In Yoichi in April, humidity is 81%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures feel more daunting and travel less invigorating.

April Average Humidity in Yoichi

This chart illustrates the average monthly humidity levels in Yoichi, 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 Yoichi is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Yoichi

In Yoichi in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Yoichi.

Maximum UV Index Levels in Yoichi for April

The chart shows the monthly maximum UV Index (UVI) for Yoichi 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 Yoichi typically reaches 7, which falls under the high exposure category.

Data source: Yoichi 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 Yoichi Compares to Other Months

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

This table compares monthly weather conditions in Yoichi, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	93 mm (3.7 inches)	84%	low
February Weather	-3°C (27°F)	103 mm (4.0 inches)	83%	moderate
March Weather	1°C (35°F)	93 mm (3.7 inches)	81%	moderate
April Weather	5°C (42°F)	76 mm (3.0 inches)	81%	high
May Weather	12°C (53°F)	83 mm (3.3 inches)	86%	very high
June Weather	15°C (59°F)	99 mm (3.9 inches)	87%	very high
July Weather	20°C (69°F)	78 mm (3.1 inches)	93%	very high
August Weather	21°C (71°F)	149 mm (5.9 inches)	95%	very high
September Weather	18°C (65°F)	106 mm (4.2 inches)	88%	very high
October Weather	12°C (54°F)	146 mm (5.8 inches)	83%	moderate
November Weather	5°C (42°F)	170 mm (6.7 inches)	79%	moderate
December Weather	-1°C (30°F)	146 mm (5.7 inches)	80%	low