May Weather in Isesaki, Japan

Last updated: August 23, 2025

In May, the average temperature in Isesaki, Japan hovers around 19°C (66°F). Expect minimums to dip to 5°C (41°F) and reach a maximum of 33°C (92°F). During this time, the region experiences a precipitation amount of 124 mm (4.9 in) spread across 13 days, accompanied by an average humidity level of 81%.

May Temperature in Isesaki

In May in Isesaki, the average temperature is 19°C (66°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as 5°C (41°F). This makes it a perfect time for travelers to enjoy a variety of outdoor activities, so be sure to pack accordingly!

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

The chart illustrates May temperature patterns in Isesaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isesaki, May typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Isesaki

In Isesaki in May, the total precipitation amount is 124 mm (4.9 in) over a span of 13 days.

May Precipitation Trends in Isesaki

The chart displays monthly precipitation patterns in Isesaki, 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 Isesaki, May typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 13 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 Isesaki

In Isesaki in May, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.

May Average Humidity in Isesaki

This chart illustrates the average monthly humidity levels in Isesaki, 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 Isesaki is approximately 81%, 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 Isesaki

In Isesaki in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Isesaki.

Maximum UV Index Levels in Isesaki for May

The chart shows the monthly maximum UV Index (UVI) for Isesaki 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 Isesaki typically reaches 10, which falls under the very high exposure category.

Data source: Isesaki 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 Isesaki Compares to Other Months

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

This table compares monthly weather conditions in Isesaki, 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)	44 mm (1.7 inches)	88%	moderate
February Weather	5°C (42°F)	42 mm (1.7 inches)	86%	moderate
March Weather	9°C (49°F)	115 mm (4.5 inches)	81%	very high
April Weather	14°C (57°F)	117 mm (4.6 inches)	78%	very high
May Weather	19°C (66°F)	124 mm (4.9 inches)	81%	very high
June Weather	22°C (72°F)	160 mm (6.3 inches)	88%	extreme
July Weather	25°C (78°F)	258 mm (10.2 inches)	92%	extreme
August Weather	27°C (82°F)	148 mm (5.8 inches)	92%	extreme
September Weather	23°C (73°F)	194 mm (7.6 inches)	89%	very high
October Weather	18°C (64°F)	260 mm (10.2 inches)	87%	high
November Weather	12°C (54°F)	43 mm (1.7 inches)	85%	moderate
December Weather	7°C (44°F)	41 mm (1.6 inches)	86%	moderate