May Weather in Mizuho, Japan

Last updated: August 23, 2025

In May, the average temperature in Mizuho, Japan hovers around 18°C (65°F), with a minimum dip to 5°C (42°F) and a maximum rise to 30°C (87°F). Expect about 229 mm (9.0 in) of precipitation over 12 days, contributing to an average humidity of 83%. Perfect for cozy days indoors or enjoying the fresh, rain-kissed air!

May Temperature in Mizuho

In May in Mizuho, the average temperature is 18°C (65°F). Maximums can reach 30°C (87°F), while minimums can drop as low as 5°C (42°F). This mild climate makes it a great time for travelers to explore the outdoor attractions in Mizuho.

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

The chart illustrates May temperature patterns in Mizuho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mizuho, May typically has an average temperature of 18°C (65°F), with highs reaching up to 30°C (87°F) and lows dropping to around 5°C (42°F).

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

May Precipitation in Mizuho

In Mizuho in May, the total precipitation amount is 229 mm (9.0 in) recorded over a span of 12 days.

May Precipitation Trends in Mizuho

The chart displays monthly precipitation patterns in Mizuho, 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 Mizuho, May typically receives around 229 mm (9.0 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Mizuho

In Mizuho in May, humidity is 83%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm, damp blanket, making it quite uncomfortable for traveling.

May Average Humidity in Mizuho

This chart illustrates the average monthly humidity levels in Mizuho, 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 Mizuho is approximately 83%, 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 Mizuho

In Mizuho 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 Mizuho.

Maximum UV Index Levels in Mizuho for May

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

Data source: Mizuho 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 Mizuho Compares to Other Months

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

This table compares monthly weather conditions in Mizuho, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	71 mm (2.8 inches)	82%	moderate
February Weather	4°C (40°F)	79 mm (3.1 inches)	79%	high
March Weather	9°C (48°F)	179 mm (7.1 inches)	74%	very high
April Weather	13°C (56°F)	223 mm (8.8 inches)	76%	very high
May Weather	18°C (65°F)	229 mm (9.0 inches)	83%	extreme
June Weather	22°C (71°F)	245 mm (9.7 inches)	87%	extreme
July Weather	26°C (78°F)	493 mm (19.4 inches)	93%	extreme
August Weather	27°C (82°F)	322 mm (12.7 inches)	91%	extreme
September Weather	23°C (74°F)	298 mm (11.7 inches)	87%	very high
October Weather	18°C (64°F)	234 mm (9.2 inches)	85%	high
November Weather	12°C (53°F)	74 mm (2.9 inches)	83%	moderate
December Weather	6°C (43°F)	94 mm (3.7 inches)	83%	moderate