May Weather in Sunagawa, Japan

Last updated: August 23, 2025

In May, the average temperature in Sunagawa, Japan is a mild 12°C (54°F), with extremes ranging from a chilly 1°C (33°F) to a warm 31°C (88°F). Expect about 97 mm (3.8 in) of precipitation spread over 13 days, contributing to an average humidity level of 86%. Prepare for a combination of cooler days and refreshing rain!

May Temperature in Sunagawa

In May in Sunagawa, the average temperature is 12°C (54°F). Maximums can reach 31°C (88°F), while minimums can drop as low as 1°C (33°F). This makes Sunagawa a versatile destination for travelers, offering a range of experiences from warm days to cool nights.

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

The chart illustrates May temperature patterns in Sunagawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunagawa, May typically has an average temperature of 12°C (54°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (33°F).

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

May Precipitation in Sunagawa

In Sunagawa in May, the precipitation amount is 97 mm (3.8 in) over the course of 13 days.

May Precipitation Trends in Sunagawa

The chart displays monthly precipitation patterns in Sunagawa, 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 Sunagawa, May typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 13 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 Sunagawa

In Sunagawa in May, humidity is 86%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable and travel challenging due to the heavy, muggy atmosphere.

May Average Humidity in Sunagawa

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

In Sunagawa 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 Sunagawa.

Maximum UV Index Levels in Sunagawa for May

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

Data source: Sunagawa 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 Sunagawa Compares to Other Months

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

This table compares monthly weather conditions in Sunagawa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	58 mm (2.3 inches)	84%	low
February Weather	-6°C (22°F)	77 mm (3.0 inches)	83%	moderate
March Weather	0°C (32°F)	86 mm (3.4 inches)	81%	high
April Weather	6°C (43°F)	75 mm (2.9 inches)	81%	high
May Weather	12°C (54°F)	97 mm (3.8 inches)	86%	very high
June Weather	16°C (60°F)	99 mm (3.9 inches)	87%	very high
July Weather	20°C (69°F)	104 mm (4.1 inches)	93%	very high
August Weather	20°C (69°F)	184 mm (7.3 inches)	95%	very high
September Weather	17°C (62°F)	105 mm (4.1 inches)	88%	very high
October Weather	10°C (51°F)	142 mm (5.6 inches)	83%	moderate
November Weather	3°C (38°F)	139 mm (5.5 inches)	79%	moderate
December Weather	-4°C (25°F)	102 mm (4.0 inches)	80%	low