May Weather in Shiso, Japan

Last updated: August 23, 2025

In May, the average temperature in Shiso, Japan hovers around 18°C (65°F). Expect a range where the minimum dips to 4°C (40°F) and the maximum soars to 30°C (86°F). Be prepared for some rain, with an average precipitation of 127 mm (5.0 in) spread over 10 days, and enjoy the typically high humidity of 84%.

May Temperature in Shiso

In May in Shiso, the average temperature is 18°C (65°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as 4°C (40°F). This makes it an ideal time for travelers to experience a comfortable climate while exploring the vibrant sights and activities in Shiso.

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

The chart illustrates May temperature patterns in Shiso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shiso, May typically has an average temperature of 18°C (65°F), with highs reaching up to 30°C (86°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in Shiso

In Shiso in May, the precipitation amount is 127 mm (5.0 in), spread over a period of 10 days.

May Precipitation Trends in Shiso

The chart displays monthly precipitation patterns in Shiso, 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 Shiso, May typically receives around 127 mm (5.0 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 Shiso

In Shiso in May, humidity is 84%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and slightly uncomfortable as the air clings to your skin and limits your breath.

May Average Humidity in Shiso

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

In Shiso 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 Shiso.

Maximum UV Index Levels in Shiso for May

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

Data source: Shiso 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 Shiso Compares to Other Months

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

This table compares monthly weather conditions in Shiso, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	42 mm (1.7 inches)	82%	moderate
February Weather	5°C (41°F)	56 mm (2.2 inches)	79%	high
March Weather	9°C (48°F)	116 mm (4.6 inches)	73%	very high
April Weather	13°C (56°F)	135 mm (5.3 inches)	74%	extreme
May Weather	18°C (65°F)	127 mm (5.0 inches)	84%	extreme
June Weather	22°C (71°F)	170 mm (6.7 inches)	86%	extreme
July Weather	26°C (79°F)	326 mm (12.8 inches)	92%	extreme
August Weather	27°C (82°F)	241 mm (9.5 inches)	92%	extreme
September Weather	23°C (74°F)	237 mm (9.3 inches)	87%	very high
October Weather	18°C (64°F)	205 mm (8.1 inches)	85%	high
November Weather	12°C (53°F)	38 mm (1.5 inches)	84%	moderate
December Weather	6°C (44°F)	58 mm (2.3 inches)	82%	moderate