May Weather in Ashibetsu, Japan

Last updated: August 23, 2025

In Ashibetsu, Japan, the average temperature in May hovers around 12°C (54°F). Expect a minimum of 1°C (33°F) and a maximum that can soar to 31°C (88°F). With an average precipitation of 104 mm (4.1 in) over 14 days, you'll encounter moderate rainfall, accompanied by an average humidity level of 86%.

May Temperature in Ashibetsu

In May in Ashibetsu, the average temperature is 12°C (54°F). Maximums can reach 31°C (88°F), while minimums can drop as low as 1°C (33°F). This makes Ashibetsu a versatile destination for travelers, offering a range of experiences from warm days to cool nights.

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

The chart illustrates May temperature patterns in Ashibetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ashibetsu, May typically has an average temperature of 12°C (54°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (33°F).

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

May Precipitation in Ashibetsu

In Ashibetsu in May, the precipitation amount is 104 mm (4.1 in) distributed over a span of 14 days.

May Precipitation Trends in Ashibetsu

The chart displays monthly precipitation patterns in Ashibetsu, 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 Ashibetsu, May typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 14 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 Ashibetsu

In Ashibetsu in May, humidity is 86%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable and travel challenging due to the heavy, muggy atmosphere.

May Average Humidity in Ashibetsu

This chart illustrates the average monthly humidity levels in Ashibetsu, 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 Ashibetsu is approximately 86%, 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 Ashibetsu

In Ashibetsu in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Ashibetsu.

Maximum UV Index Levels in Ashibetsu for May

The chart shows the monthly maximum UV Index (UVI) for Ashibetsu 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 Ashibetsu typically reaches 9, which falls under the very high exposure category.

Data source: Ashibetsu 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 Ashibetsu Compares to Other Months

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

This table compares monthly weather conditions in Ashibetsu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	61 mm (2.4 inches)	84%	low
February Weather	-7°C (20°F)	82 mm (3.2 inches)	83%	moderate
March Weather	-1°C (31°F)	92 mm (3.6 inches)	81%	high
April Weather	5°C (41°F)	79 mm (3.1 inches)	81%	high
May Weather	12°C (54°F)	104 mm (4.1 inches)	86%	very high
June Weather	15°C (60°F)	106 mm (4.2 inches)	87%	very high
July Weather	20°C (68°F)	116 mm (4.6 inches)	93%	very high
August Weather	20°C (68°F)	185 mm (7.3 inches)	95%	very high
September Weather	16°C (61°F)	114 mm (4.5 inches)	88%	very high
October Weather	9°C (49°F)	149 mm (5.9 inches)	83%	moderate
November Weather	2°C (36°F)	145 mm (5.7 inches)	79%	moderate
December Weather	-5°C (23°F)	111 mm (4.4 inches)	80%	low