May Weather in Aki, Japan

Last updated: August 23, 2025

In May, the average temperature in Aki, Japan hovers around 19°C (66°F), with minimums dipping to 9°C (48°F) and maximums reaching 25°C (78°F). Expect 242 mm (9.5 in) of precipitation spread over 11 days, contributing to an average humidity of a balmy 82%.

May Temperature in Aki

In May in Aki, the average temperature is 19°C (66°F). Maximum can reach 25°C (78°F) and minimum can be as low as 9°C (48°F). This mild climate makes Aki an ideal destination for outdoor activities and exploration during this month.

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

The chart illustrates May temperature patterns in Aki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aki, May typically has an average temperature of 19°C (66°F), with highs reaching up to 25°C (78°F) and lows dropping to around 9°C (48°F).

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

May Precipitation in Aki

In Aki in May, the precipitation amount is 242 mm (9.5 in) spread over 11 days.

May Precipitation Trends in Aki

The chart displays monthly precipitation patterns in Aki, 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 Aki, May typically receives around 242 mm (9.5 inches) of precipitation spread over approximately 11 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 Aki

In Aki in May humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

May Average Humidity in Aki

This chart illustrates the average monthly humidity levels in Aki, 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 Aki is approximately 82%, 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 Aki

In Aki 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 Aki.

Maximum UV Index Levels in Aki for May

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

Data source: Aki 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 Aki Compares to Other Months

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

This table compares monthly weather conditions in Aki, 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 (45°F)	71 mm (2.8 inches)	74%	moderate
February Weather	7°C (45°F)	98 mm (3.8 inches)	70%	high
March Weather	11°C (52°F)	169 mm (6.7 inches)	70%	very high
April Weather	15°C (59°F)	197 mm (7.8 inches)	76%	extreme
May Weather	19°C (66°F)	242 mm (9.5 inches)	82%	extreme
June Weather	22°C (71°F)	318 mm (12.5 inches)	86%	extreme
July Weather	25°C (77°F)	545 mm (21.5 inches)	91%	extreme
August Weather	27°C (80°F)	349 mm (13.8 inches)	88%	extreme
September Weather	24°C (76°F)	315 mm (12.4 inches)	85%	very high
October Weather	20°C (67°F)	296 mm (11.6 inches)	82%	very high
November Weather	14°C (58°F)	72 mm (2.8 inches)	79%	high
December Weather	9°C (49°F)	74 mm (2.9 inches)	77%	moderate