May Weather in Yorii, Japan

Last updated: August 23, 2025

In May, the average temperature in Yorii, Japan hovers around 18°C (65°F). Expect a range that can dip to a cool 4°C (40°F) or peak at a warm 32°C (90°F). Precipitation is notable with 136 mm (5.4 in) falling over 14 days, contributing to an average humidity level of 81%. Perfect for those who enjoy a mix of sunny days and refreshing rain!

May Temperature in Yorii

In May in Yorii, the average temperature is 18°C (65°F). Maximum temperatures can reach 32°C (90°F), while minimum temperatures can drop to as low as 4°C (40°F). It's advisable to pack for a range of weather conditions to ensure a comfortable traveling experience.

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

The chart illustrates May temperature patterns in Yorii, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yorii, May typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in Yorii

In Yorii in May, the precipitation amount is 136 mm (5.4 in) over a span of 14 days.

May Precipitation Trends in Yorii

The chart displays monthly precipitation patterns in Yorii, 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 Yorii, May typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 14 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 Yorii

In Yorii in May, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

May Average Humidity in Yorii

This chart illustrates the average monthly humidity levels in Yorii, 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 Yorii is approximately 81%, 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 Yorii

In Yorii in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Yorii.

Maximum UV Index Levels in Yorii for May

The chart shows the monthly maximum UV Index (UVI) for Yorii 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 Yorii typically reaches 11, which falls under the extreme exposure category.

Data source: Yorii 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 Yorii Compares to Other Months

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

This table compares monthly weather conditions in Yorii, 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 (38°F)	47 mm (1.8 inches)	76%	moderate
February Weather	4°C (40°F)	50 mm (2.0 inches)	74%	moderate
March Weather	8°C (48°F)	136 mm (5.4 inches)	70%	very high
April Weather	13°C (55°F)	130 mm (5.1 inches)	74%	very high
May Weather	18°C (65°F)	136 mm (5.4 inches)	81%	extreme
June Weather	21°C (70°F)	187 mm (7.4 inches)	88%	extreme
July Weather	25°C (77°F)	293 mm (11.5 inches)	93%	extreme
August Weather	27°C (80°F)	172 mm (6.8 inches)	90%	extreme
September Weather	22°C (72°F)	226 mm (8.9 inches)	86%	very high
October Weather	17°C (62°F)	305 mm (12.0 inches)	83%	high
November Weather	11°C (52°F)	54 mm (2.1 inches)	80%	moderate
December Weather	6°C (42°F)	46 mm (1.8 inches)	78%	moderate