May Weather in Izumi, Japan

Last updated: August 23, 2025

In Izumi, Japan, the average temperature in May hovers around 20°C (68°F), with minimum temperatures dipping to 12°C (53°F) and maximum highs reaching 27°C (80°F). Expect a precipitation level of approximately 250 mm (9.9 in) spread over 12 days, contributing to the region's average humidity of 83%. Prepare for a month that balances warmth and moisture!

May Temperature in Izumi

In May in Izumi, the average temperature is 20°C (68°F). Maximum can reach 27°C (80°F) and minimum can be as low as 12°C (53°F). This makes it a comfortable time for travelers to explore and enjoy outdoor activities in Izumi.

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

The chart illustrates May temperature patterns in Izumi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Izumi, May typically has an average temperature of 20°C (68°F), with highs reaching up to 27°C (80°F) and lows dropping to around 12°C (53°F).

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

May Precipitation in Izumi

In Izumi in May, the precipitation amount is 250 mm (9.9 in) spread over 12 days.

May Precipitation Trends in Izumi

The chart displays monthly precipitation patterns in Izumi, 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 Izumi, May typically receives around 250 mm (9.9 inches) of precipitation spread over approximately 12 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 Izumi

In Izumi in May humidity is 83%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket enveloping you, making it feel much warmer than it is. Traveling in such conditions can be quite taxing, as the air feels thick, often leading to a sense of exhaustion and requiring frequent breaks to seek shade or hydration.

May Average Humidity in Izumi

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

In Izumi in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Izumi.

Maximum UV Index Levels in Izumi for May

The chart shows the monthly maximum UV Index (UVI) for Izumi 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 Izumi typically reaches 12, which falls under the extreme exposure category.

Data source: Izumi 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 Izumi Compares to Other Months

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

This table compares monthly weather conditions in Izumi, 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)	64 mm (2.5 inches)	72%	moderate
February Weather	10°C (50°F)	108 mm (4.3 inches)	68%	high
March Weather	13°C (55°F)	162 mm (6.4 inches)	72%	very high
April Weather	16°C (61°F)	160 mm (6.3 inches)	79%	extreme
May Weather	20°C (68°F)	250 mm (9.9 inches)	83%	extreme
June Weather	23°C (74°F)	343 mm (13.5 inches)	86%	extreme
July Weather	27°C (81°F)	454 mm (17.9 inches)	90%	extreme
August Weather	28°C (83°F)	247 mm (9.7 inches)	85%	extreme
September Weather	26°C (79°F)	261 mm (10.3 inches)	80%	extreme
October Weather	22°C (71°F)	141 mm (5.6 inches)	78%	very high
November Weather	16°C (61°F)	114 mm (4.5 inches)	76%	high
December Weather	11°C (52°F)	101 mm (4.0 inches)	74%	moderate