May Weather in Ayase, Japan

Last updated: August 23, 2025

In Ayase, Japan, the average temperature in May hovers around 19°C (66°F), creating a pleasant atmosphere for outdoor activities. Expect a minimum of 8°C (47°F) and a comfortable maximum of 27°C (82°F) throughout the month. With 120 mm (4.7 in) of precipitation spread over 11 days, occasional rain showers are likely, adding a refreshing touch to the warm air. Coupled with an average humidity of 81%, this makes for a lush and vibrant environment.

May Temperature in Ayase

In May in Ayase, the average temperature is 19°C (66°F), with maximums reaching up to 27°C (82°F) and minimums dipping as low as 8°C (47°F). This pleasant climate makes Ayase an ideal destination for travelers looking to enjoy comfortable weather while exploring the area's attractions.

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

The chart illustrates May temperature patterns in Ayase, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ayase, May typically has an average temperature of 19°C (66°F), with highs reaching up to 27°C (82°F) and lows dropping to around 8°C (47°F).

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

May Precipitation in Ayase

In Ayase in May, the precipitation amount is 120 mm (4.7 in) during a span of 11 days.

May Precipitation Trends in Ayase

The chart displays monthly precipitation patterns in Ayase, 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 Ayase, May typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 11 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 Ayase

In Ayase 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 Ayase

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

In Ayase 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 Ayase.

Maximum UV Index Levels in Ayase for May

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

Data source: Ayase 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 Ayase Compares to Other Months

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

This table compares monthly weather conditions in Ayase, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	52 mm (2.1 inches)	76%	moderate
February Weather	7°C (44°F)	52 mm (2.0 inches)	74%	moderate
March Weather	10°C (51°F)	151 mm (6.0 inches)	70%	very high
April Weather	14°C (58°F)	125 mm (4.9 inches)	74%	very high
May Weather	19°C (66°F)	120 mm (4.7 inches)	81%	extreme
June Weather	22°C (71°F)	171 mm (6.7 inches)	88%	extreme
July Weather	25°C (78°F)	234 mm (9.2 inches)	93%	extreme
August Weather	27°C (81°F)	124 mm (4.9 inches)	90%	extreme
September Weather	23°C (75°F)	193 mm (7.6 inches)	86%	very high
October Weather	18°C (65°F)	276 mm (10.9 inches)	83%	high
November Weather	13°C (57°F)	80 mm (3.1 inches)	80%	moderate
December Weather	8°C (47°F)	63 mm (2.5 inches)	78%	moderate