May Weather in Rankoshimachi, Japan

Last updated: August 23, 2025

In May, the average temperature in Rankoshimachi, Japan is a crisp 11°C (52°F). Expect to feel the cooler air, with minimums dropping to 3°C (37°F) and the warmth peaking at 25°C (77°F). During this month, prepare for potential rain, as 84 mm (3.3 in) of precipitation may fall over about 12 days, coupled with an average humidity level of 86%—perfect for a cozy indoor retreat!

May Temperature in Rankoshimachi

In May in Rankoshimachi, the average temperature is 11°C (52°F). Maximums can reach 25°C (77°F), while minimums can drop to as low as 3°C (37°F). This mild climate makes Rankoshimachi an ideal destination for travelers seeking a comfortable and enjoyable experience.

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

The chart illustrates May temperature patterns in Rankoshimachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rankoshimachi, May typically has an average temperature of 11°C (52°F), with highs reaching up to 25°C (77°F) and lows dropping to around 3°C (37°F).

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

May Precipitation in Rankoshimachi

In Rankoshimachi in May, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.

May Precipitation Trends in Rankoshimachi

The chart displays monthly precipitation patterns in Rankoshimachi, 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 Rankoshimachi, May typically receives around 84 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Rankoshimachi

In Rankoshimachi in May humidity is 86%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting travelers to seek sheltered spots or indoor attractions to escape the uncomfortable dampness.

May Average Humidity in Rankoshimachi

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

In Rankoshimachi 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 Rankoshimachi.

Maximum UV Index Levels in Rankoshimachi for May

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

Data source: Rankoshimachi 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 Rankoshimachi Compares to Other Months

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

This table compares monthly weather conditions in Rankoshimachi, 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 (24°F)	74 mm (2.9 inches)	84%	low
February Weather	-4°C (25°F)	81 mm (3.2 inches)	83%	moderate
March Weather	1°C (33°F)	93 mm (3.7 inches)	81%	high
April Weather	5°C (41°F)	89 mm (3.5 inches)	81%	high
May Weather	11°C (52°F)	84 mm (3.3 inches)	86%	very high
June Weather	15°C (59°F)	110 mm (4.3 inches)	87%	very high
July Weather	20°C (68°F)	100 mm (3.9 inches)	93%	very high
August Weather	21°C (69°F)	147 mm (5.8 inches)	95%	very high
September Weather	18°C (64°F)	131 mm (5.2 inches)	88%	very high
October Weather	11°C (53°F)	127 mm (5.0 inches)	83%	moderate
November Weather	5°C (41°F)	136 mm (5.4 inches)	79%	moderate
December Weather	-2°C (28°F)	116 mm (4.6 inches)	80%	low