May Weather in Aya, Japan

Last updated: August 23, 2025

In May, the average temperature in Aya, Japan is a comfortable 19°C (67°F). You can expect a range from a brisk 6°C (43°F) to a warm 29°C (85°F). Be prepared for some rain, as precipitation averages 225 mm (8.9 in) over approximately 12 days. Don't forget to account for the humidity, which typically hovers around 83%.

May Temperature in Aya

In May in Aya, the average temperature is 19°C (67°F). The maximum can reach 29°C (85°F), while the minimum can drop to as low as 6°C (43°F). This makes Aya a comfortable destination for travelers seeking mild weather during this time of year.

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

The chart illustrates May temperature patterns in Aya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aya, May typically has an average temperature of 19°C (67°F), with highs reaching up to 29°C (85°F) and lows dropping to around 6°C (43°F).

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

May Precipitation in Aya

In Aya in May, the precipitation amount is 225 mm (8.9 in) over a span of 12 days.

May Precipitation Trends in Aya

The chart displays monthly precipitation patterns in Aya, 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 Aya, May typically receives around 225 mm (8.9 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 Aya

In Aya in May humidity is 83%. With an average temperature of 19°C (67°F), this humidity feels like a warm, tropical blanket wrapping around you, making traveling feel a bit sluggish and sticky, yet still inviting as long as you stay hydrated and take breaks in the shade.

May Average Humidity in Aya

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

In Aya in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Aya.

Maximum UV Index Levels in Aya for May

The chart shows the monthly maximum UV Index (UVI) for Aya 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 Aya typically reaches 12, which falls under the extreme exposure category.

Data source: Aya 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 Aya Compares to Other Months

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

This table compares monthly weather conditions in Aya, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	55 mm (2.2 inches)	72%	moderate
February Weather	8°C (46°F)	101 mm (4.0 inches)	68%	high
March Weather	12°C (53°F)	176 mm (6.9 inches)	72%	very high
April Weather	15°C (60°F)	141 mm (5.6 inches)	79%	very high
May Weather	19°C (67°F)	225 mm (8.9 inches)	83%	extreme
June Weather	22°C (72°F)	321 mm (12.6 inches)	86%	extreme
July Weather	26°C (79°F)	388 mm (15.3 inches)	90%	extreme
August Weather	27°C (81°F)	247 mm (9.7 inches)	85%	extreme
September Weather	24°C (76°F)	319 mm (12.5 inches)	80%	extreme
October Weather	19°C (67°F)	202 mm (8.0 inches)	78%	very high
November Weather	14°C (57°F)	87 mm (3.4 inches)	76%	high
December Weather	8°C (47°F)	71 mm (2.8 inches)	74%	moderate