May Weather in Arai, Japan

Last updated: August 23, 2025

In May, the average temperature in Arai, Japan hovers around 16°C (60°F). Expect a range from a brisk 3°C (38°F) to a warm 29°C (84°F). During this time, precipitation typically amounts to 152 mm (6.0 in) over 15 days, contributing to a high average humidity of 81%. Prepare for a blend of coolness and warmth!

May Temperature in Arai

In May in Arai, the average temperature is 16°C (60°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 3°C (38°F). It's a great time for travelers to enjoy mild weather while exploring the local sights.

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

The chart illustrates May temperature patterns in Arai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arai, May typically has an average temperature of 16°C (60°F), with highs reaching up to 29°C (84°F) and lows dropping to around 3°C (38°F).

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

May Precipitation in Arai

In Arai in May, the precipitation amount is 152 mm (6.0 in) over the course of 15 days.

May Precipitation Trends in Arai

The chart displays monthly precipitation patterns in Arai, 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 Arai, May typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 15 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 Arai

In Arai in May, humidity is 81%. With an average temperature of 16°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you as you travel, making you acutely aware of the sweat on your skin and creating an atmosphere that might dampen your spirits but also invites you to seek out refreshing beverages and shady spots.

May Average Humidity in Arai

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

In Arai in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Arai.

Maximum UV Index Levels in Arai for May

The chart shows the monthly maximum UV Index (UVI) for Arai 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 Arai typically reaches 10, which falls under the very high exposure category.

Data source: Arai 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 Arai Compares to Other Months

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

This table compares monthly weather conditions in Arai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	227 mm (8.9 inches)	88%	moderate
February Weather	0°C (33°F)	188 mm (7.4 inches)	86%	moderate
March Weather	4°C (40°F)	149 mm (5.8 inches)	81%	very high
April Weather	9°C (49°F)	146 mm (5.8 inches)	78%	very high
May Weather	16°C (60°F)	152 mm (6.0 inches)	81%	very high
June Weather	19°C (66°F)	173 mm (6.8 inches)	88%	extreme
July Weather	23°C (75°F)	353 mm (13.9 inches)	92%	extreme
August Weather	25°C (77°F)	210 mm (8.3 inches)	92%	extreme
September Weather	20°C (69°F)	207 mm (8.2 inches)	89%	very high
October Weather	15°C (59°F)	235 mm (9.3 inches)	87%	high
November Weather	8°C (48°F)	144 mm (5.7 inches)	85%	moderate
December Weather	2°C (37°F)	247 mm (9.7 inches)	86%	moderate