May Weather in Yoichi, Japan

Last updated: August 23, 2025

In May, the average temperature in Yoichi, Japan hovers around 12°C (53°F), with minimums dipping to 4°C (39°F) and maximums reaching up to 25°C (78°F). You can expect some wet days, with precipitation totaling 83 mm (3.3 in) over approximately 12 days. The air tends to be quite humid, with an average humidity level of 86%.

May Temperature in Yoichi

In May in Yoichi, the average temperature is 12°C (53°F), with maximums reaching 25°C (78°F) and minimums dropping as low as 4°C (39°F). It's a great time to explore Yoichi, so be sure to pack for a mix of moderate and cooler weather!

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

The chart illustrates May 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, May typically has an average temperature of 12°C (53°F), with highs reaching up to 25°C (78°F) and lows dropping to around 4°C (39°F).

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

May Precipitation in Yoichi

In Yoichi in May, the precipitation amount is 83 mm (3.3 in) distributed over the course of 12 days.

May Precipitation Trends in Yoichi

The chart displays monthly precipitation patterns in Yoichi, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Yoichi, May typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Yoichi

In Yoichi in May humidity is 86%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting the need for warm, layered clothing while exploring the surroundings.

May Average Humidity in Yoichi

This chart illustrates the average monthly humidity levels in Yoichi, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Yoichi is approximately 86%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Yoichi

In Yoichi in May, 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 Yoichi.

Maximum UV Index Levels in Yoichi for May

The chart shows the monthly maximum UV Index (UVI) for Yoichi in May, 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 May, the maximum UV index in Yoichi typically reaches 9, which falls under the very high exposure category.

Data source: Yoichi May 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 May 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 May’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 May’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