May Weather in Honmachi, Japan

Last updated: August 23, 2025

In May, the average temperature in Honmachi, Japan hovers around 8°C (46°F), with variations ranging from a chilly 0°C (33°F) to a warm 26°C (79°F). Expect 107 mm (4.2 in) of precipitation spread over about 14 days, contributing to a high average humidity of 86%. Be prepared for a mix of cool and rainy days!

May Temperature in Honmachi

In May in Honmachi, the average temperature is 8°C (46°F), with maximums reaching 26°C (79°F) and minimums dropping as low as 0°C (33°F). This varied climate makes it an ideal time for travelers to pack layers and enjoy a range of outdoor activities.

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

The chart illustrates May temperature patterns in Honmachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Honmachi, May typically has an average temperature of 8°C (46°F), with highs reaching up to 26°C (79°F) and lows dropping to around 0°C (33°F).

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

May Precipitation in Honmachi

In Honmachi in May, the precipitation amount is 107 mm (4.2 in) spread over a period of 14 days.

May Precipitation Trends in Honmachi

The chart displays monthly precipitation patterns in Honmachi, 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 Honmachi, May typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 14 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 Honmachi

In Honmachi in May humidity is 86%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while exploring.

May Average Humidity in Honmachi

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

In Honmachi in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Honmachi.

Maximum UV Index Levels in Honmachi for May

The chart shows the monthly maximum UV Index (UVI) for Honmachi 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 Honmachi typically reaches 8, which falls under the very high exposure category.

Data source: Honmachi 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 Honmachi Compares to Other Months

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

This table compares monthly weather conditions in Honmachi, 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)	77 mm (3.0 inches)	84%	low
February Weather	-7°C (20°F)	68 mm (2.7 inches)	83%	moderate
March Weather	-2°C (28°F)	93 mm (3.7 inches)	83%	moderate
April Weather	2°C (36°F)	72 mm (2.8 inches)	83%	high
May Weather	8°C (46°F)	107 mm (4.2 inches)	86%	very high
June Weather	12°C (53°F)	100 mm (4.0 inches)	88%	very high
July Weather	16°C (62°F)	70 mm (2.8 inches)	93%	very high
August Weather	18°C (65°F)	114 mm (4.5 inches)	96%	very high
September Weather	16°C (62°F)	95 mm (3.8 inches)	89%	very high
October Weather	12°C (53°F)	187 mm (7.3 inches)	83%	moderate
November Weather	5°C (42°F)	139 mm (5.5 inches)	80%	moderate
December Weather	-1°C (30°F)	119 mm (4.7 inches)	79%	low