May Weather in Iki, Japan

Last updated: August 23, 2025

In May, the average temperature in Iki, Japan hovers around 18°C (65°F), with a comfortable range between a minimum of 13°C (56°F) and a maximum of 23°C (73°F). However, prepare for some rain, as precipitation averages 137 mm (5.4 in) over 10 days. With an average humidity of 87%, it's a month where you can expect a mix of both warmth and humidity, perfect for cozy indoor activities or exploring the vibrant local scene!

May Temperature in Iki

In May in Iki, the average temperature is 18°C (65°F). Maximums can reach up to 23°C (73°F), while minimums can drop to as low as 13°C (56°F). This mild climate makes it a perfect time for outdoor activities and exploring the local sights.

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

The chart illustrates May temperature patterns in Iki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iki, May typically has an average temperature of 18°C (65°F), with highs reaching up to 23°C (73°F) and lows dropping to around 13°C (56°F).

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

May Precipitation in Iki

In Iki in May, the precipitation amount is 137 mm (5.4 in) over the course of 10 days.

May Precipitation Trends in Iki

The chart displays monthly precipitation patterns in Iki, 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 Iki, May typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 10 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 Iki

In Iki in May, humidity is 87%. With an average temperature of 18°C (65°F), this humidity feels like a warm blanket wrapped around you, making travel feel both stifling and sticky, and leaving you longing for moments of refreshing shade or air conditioning.

May Average Humidity in Iki

This chart illustrates the average monthly humidity levels in Iki, 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 Iki is approximately 87%, 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 Iki

In Iki 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 Iki.

Maximum UV Index Levels in Iki for May

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

Data source: Iki 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 Iki Compares to Other Months

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

This table compares monthly weather conditions in Iki, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	76 mm (3.0 inches)	73%	moderate
February Weather	9°C (49°F)	75 mm (3.0 inches)	69%	high
March Weather	12°C (54°F)	141 mm (5.5 inches)	71%	very high
April Weather	15°C (59°F)	117 mm (4.6 inches)	79%	very high
May Weather	18°C (65°F)	137 mm (5.4 inches)	87%	extreme
June Weather	21°C (71°F)	181 mm (7.1 inches)	91%	extreme
July Weather	25°C (78°F)	312 mm (12.3 inches)	97%	extreme
August Weather	27°C (82°F)	260 mm (10.2 inches)	94%	extreme
September Weather	25°C (77°F)	235 mm (9.2 inches)	84%	extreme
October Weather	21°C (70°F)	108 mm (4.2 inches)	79%	high
November Weather	16°C (62°F)	50 mm (2.0 inches)	75%	high
December Weather	11°C (52°F)	84 mm (3.3 inches)	72%	moderate