May Weather in Itami, Japan

Last updated: August 23, 2025

In May, the average temperature in Itami, Japan hovers around 20°C (69°F). Temperatures can range from a cool 8°C (47°F) to a warm 31°C (88°F), making it a month of notable variety. Expect 150 mm (5.9 in) of precipitation over approximately 10 days, contributing to a high average humidity level of 83%. Whether you enjoy warm days or cozy evenings, May in Itami offers a unique climate experience!

May Temperature in Itami

In May in Itami, the average temperature is 20°C (69°F). Maximums can reach 31°C (88°F) and minimums can drop to as low as 8°C (47°F). This climate makes Itami an ideal destination for travelers seeking pleasant weather and a variety of outdoor activities.

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

The chart illustrates May temperature patterns in Itami, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itami, May typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (88°F) and lows dropping to around 8°C (47°F).

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

May Precipitation in Itami

In Itami in May, the precipitation amount reaches 150 mm (5.9 in) over the course of 10 days.

May Precipitation Trends in Itami

The chart displays monthly precipitation patterns in Itami, 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 Itami, May typically receives around 150 mm (5.9 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 Itami

In Itami in May, humidity is 83%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making every step slightly more laborious and the air thick with moisture, which can be quite stifling for traveling.

May Average Humidity in Itami

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

In Itami 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 Itami.

Maximum UV Index Levels in Itami for May

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

Data source: Itami 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 Itami Compares to Other Months

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

This table compares monthly weather conditions in Itami, 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 (42°F)	46 mm (1.8 inches)	82%	moderate
February Weather	6°C (43°F)	60 mm (2.3 inches)	79%	high
March Weather	10°C (51°F)	109 mm (4.3 inches)	74%	very high
April Weather	15°C (59°F)	135 mm (5.3 inches)	76%	extreme
May Weather	20°C (69°F)	150 mm (5.9 inches)	83%	extreme
June Weather	24°C (75°F)	147 mm (5.8 inches)	87%	extreme
July Weather	28°C (82°F)	282 mm (11.1 inches)	93%	extreme
August Weather	29°C (85°F)	183 mm (7.2 inches)	91%	extreme
September Weather	25°C (78°F)	169 mm (6.7 inches)	87%	very high
October Weather	20°C (67°F)	230 mm (9.0 inches)	85%	high
November Weather	13°C (56°F)	44 mm (1.7 inches)	83%	moderate
December Weather	8°C (47°F)	57 mm (2.2 inches)	83%	moderate