May Weather in Shiozawa, Japan

Last updated: August 23, 2025

In May, the average temperature in Shiozawa, Japan hovers around 15°C (58°F), making it a mild month. Temperatures can fluctuate, with a minimum of 1°C (34°F) and a maximum reaching up to 30°C (86°F). Expect a precipitation amount of 181 mm (7.1 in) spread over 16 days, resulting in an average humidity level of 81%. Whether you're exploring or relaxing, ensure you're prepared for both sunshine and showers!

May Temperature in Shiozawa

In May in Shiozawa, the average temperature is 15°C (58°F). The maximum can reach 30°C (86°F), while the minimum can be as low as 1°C (34°F). It's a great time to visit for those who enjoy mild weather with the possibility of warm days and cool nights.

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

The chart illustrates May temperature patterns in Shiozawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shiozawa, May typically has an average temperature of 15°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Shiozawa

In Shiozawa in May, the total precipitation amount is 181 mm (7.1 in) over a period of 16 days.

May Precipitation Trends in Shiozawa

The chart displays monthly precipitation patterns in Shiozawa, 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 Shiozawa, May typically receives around 181 mm (7.1 inches) of precipitation spread over approximately 16 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 Shiozawa

In Shiozawa in May humidity is 81%. With an average temperature of 15°C (58°F), this humidity feels like a mild, damp embrace that can make outdoor activities feel heavy and exhausting, requiring frequent breaks in the shade or a cool beverage to refresh yourself.

May Average Humidity in Shiozawa

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

In Shiozawa 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 Shiozawa.

Maximum UV Index Levels in Shiozawa for May

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

Data source: Shiozawa 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 Shiozawa Compares to Other Months

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

This table compares monthly weather conditions in Shiozawa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	199 mm (7.8 inches)	88%	moderate
February Weather	-2°C (29°F)	185 mm (7.3 inches)	86%	moderate
March Weather	3°C (37°F)	174 mm (6.9 inches)	81%	very high
April Weather	8°C (46°F)	167 mm (6.6 inches)	78%	very high
May Weather	15°C (58°F)	181 mm (7.1 inches)	81%	very high
June Weather	18°C (64°F)	201 mm (7.9 inches)	88%	extreme
July Weather	22°C (73°F)	376 mm (14.8 inches)	92%	extreme
August Weather	24°C (75°F)	238 mm (9.4 inches)	92%	extreme
September Weather	19°C (67°F)	223 mm (8.8 inches)	89%	very high
October Weather	13°C (56°F)	256 mm (10.1 inches)	87%	high
November Weather	6°C (44°F)	145 mm (5.7 inches)	85%	moderate
December Weather	0°C (32°F)	226 mm (8.9 inches)	86%	moderate