May Weather in Tarui, Japan

Last updated: August 23, 2025

In Tarui, Japan, the average temperature in May hovers around 19°C (66°F), making it a comfortable time to visit. However, temperatures can range from a cool 5°C (41°F) to a warm 31°C (89°F). Expect about 189 mm (7.4 in) of precipitation spread over 12 days, while the air remains quite humid with an average of 83% humidity.

May Temperature in Tarui

In May in Tarui, the average temperature is 19°C (66°F). Maximums can reach 31°C (89°F), while minimums can drop to as low as 5°C (41°F). This diverse temperature range makes Tarui an ideal destination for travelers looking to experience both warm and cool weather during their visit.

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

The chart illustrates May temperature patterns in Tarui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tarui, May typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (89°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Tarui

In Tarui in May, the precipitation amount is 189 mm (7.4 in) over a span of 12 days.

May Precipitation Trends in Tarui

The chart displays monthly precipitation patterns in Tarui, 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 Tarui, May typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 12 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 Tarui

In Tarui in May, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.

May Average Humidity in Tarui

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

In Tarui 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 Tarui.

Maximum UV Index Levels in Tarui for May

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

Data source: Tarui 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 Tarui Compares to Other Months

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

This table compares monthly weather conditions in Tarui, 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)	59 mm (2.3 inches)	82%	moderate
February Weather	5°C (41°F)	63 mm (2.5 inches)	79%	high
March Weather	9°C (49°F)	150 mm (5.9 inches)	74%	very high
April Weather	14°C (57°F)	167 mm (6.6 inches)	76%	very high
May Weather	19°C (66°F)	189 mm (7.4 inches)	83%	extreme
June Weather	22°C (72°F)	204 mm (8.0 inches)	87%	extreme
July Weather	26°C (79°F)	388 mm (15.3 inches)	93%	extreme
August Weather	28°C (82°F)	262 mm (10.3 inches)	91%	extreme
September Weather	24°C (75°F)	228 mm (9.0 inches)	87%	very high
October Weather	18°C (65°F)	260 mm (10.3 inches)	85%	high
November Weather	12°C (54°F)	60 mm (2.4 inches)	83%	moderate
December Weather	7°C (44°F)	78 mm (3.1 inches)	83%	moderate