May Weather in Itoman, Japan

Last updated: August 23, 2025

In May, the average temperature in Itoman, Japan is a comfortable 24°C (76°F), with minimums dipping to 19°C (67°F) and maximums soaring to 27°C (82°F). Expect about 208 mm (8.2 in) of precipitation spread over approximately 12 days, contributing to an average humidity level of 84%. Perfect for those who enjoy a lush, tropical environment!

May Temperature in Itoman

In May in Itoman, the average temperature is 24°C (76°F). Maximum temperatures can reach 27°C (82°F), while the minimum can drop to as low as 19°C (67°F). This pleasant climate makes Itoman an ideal destination for travelers looking to enjoy moderate weather and outdoor activities.

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

The chart illustrates May temperature patterns in Itoman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itoman, May typically has an average temperature of 24°C (76°F), with highs reaching up to 27°C (82°F) and lows dropping to around 19°C (67°F).

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

May Precipitation in Itoman

In Itoman in May, the precipitation amount is 208 mm (8.2 in) over a span of 12 days.

May Precipitation Trends in Itoman

The chart displays monthly precipitation patterns in Itoman, 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 Itoman, May typically receives around 208 mm (8.2 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 Itoman

In Itoman in May humidity is 84%. With an average temperature of 24°C (76°F), this humidity feels like a warm, damp embrace that can make outdoor activities feel sticky and uncomfortable, requiring frequent breaks in the shade and plenty of hydration for travelers.

May Average Humidity in Itoman

This chart illustrates the average monthly humidity levels in Itoman, 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 Itoman is approximately 84%, 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 Itoman

In Itoman in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Itoman.

Maximum UV Index Levels in Itoman for May

The chart shows the monthly maximum UV Index (UVI) for Itoman 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 Itoman typically reaches 13, which falls under the extreme exposure category.

Data source: Itoman 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 Itoman Compares to Other Months

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

This table compares monthly weather conditions in Itoman, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	91 mm (3.6 inches)	71%	high
February Weather	19°C (66°F)	97 mm (3.8 inches)	71%	very high
March Weather	20°C (68°F)	107 mm (4.2 inches)	76%	extreme
April Weather	21°C (71°F)	137 mm (5.4 inches)	82%	extreme
May Weather	24°C (76°F)	208 mm (8.2 inches)	84%	extreme
June Weather	26°C (80°F)	302 mm (11.9 inches)	86%	extreme
July Weather	28°C (83°F)	192 mm (7.6 inches)	86%	extreme
August Weather	28°C (83°F)	205 mm (8.1 inches)	82%	extreme
September Weather	28°C (82°F)	253 mm (10.0 inches)	82%	extreme
October Weather	26°C (79°F)	160 mm (6.3 inches)	80%	very high
November Weather	23°C (74°F)	103 mm (4.1 inches)	79%	very high
December Weather	20°C (69°F)	188 mm (7.4 inches)	75%	high