May Weather in Asahi, Japan

Last updated: August 23, 2025

In May, the average temperature in Asahi, Japan hovers around 19°C (66°F). You can expect a comfortable minimum of 11°C (53°F) and a pleasant maximum of 26°C (78°F). However, be prepared for some rain, as 144 mm (5.7 in) of precipitation can fall over 12 days. With an average humidity of 81%, the air may feel a bit muggy, so dress accordingly!

May Temperature in Asahi

In May in Asahi, the average temperature is 19°C (66°F). Maximums can reach 26°C (78°F), while minimums can drop to as low as 11°C (53°F). This pleasant climate makes it a great time to explore outdoor attractions and enjoy city life.

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

The chart illustrates May temperature patterns in Asahi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Asahi, May typically has an average temperature of 19°C (66°F), with highs reaching up to 26°C (78°F) and lows dropping to around 11°C (53°F).

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

May Precipitation in Asahi

In Asahi in May, the precipitation amount is 144 mm (5.7 in) over the course of 12 days.

May Precipitation Trends in Asahi

The chart displays monthly precipitation patterns in Asahi, 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 Asahi, May typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 12 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 Asahi

In Asahi in May, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.

May Average Humidity in Asahi

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

In Asahi 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 Asahi.

Maximum UV Index Levels in Asahi for May

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

Data source: Asahi 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 Asahi Compares to Other Months

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

This table compares monthly weather conditions in Asahi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	65 mm (2.6 inches)	70%	moderate
February Weather	8°C (47°F)	59 mm (2.3 inches)	69%	moderate
March Weather	11°C (53°F)	161 mm (6.3 inches)	68%	very high
April Weather	14°C (58°F)	116 mm (4.6 inches)	73%	very high
May Weather	19°C (66°F)	144 mm (5.7 inches)	81%	extreme
June Weather	21°C (71°F)	184 mm (7.2 inches)	88%	extreme
July Weather	25°C (77°F)	201 mm (7.9 inches)	94%	extreme
August Weather	27°C (80°F)	94 mm (3.7 inches)	87%	very high
September Weather	24°C (76°F)	185 mm (7.3 inches)	83%	very high
October Weather	20°C (68°F)	274 mm (10.8 inches)	78%	high
November Weather	15°C (60°F)	124 mm (4.9 inches)	74%	moderate
December Weather	10°C (51°F)	96 mm (3.8 inches)	72%	moderate