May Weather in Otsuki, Japan

Last updated: August 23, 2025

In May, the average temperature in Otsuki, Japan is a mild 16°C (61°F), with lows dipping to 2°C (36°F) and highs reaching up to 30°C (86°F). Expect around 164 mm (6.5 in) of precipitation spread over 14 days and an average humidity of 81%, creating a lush, inviting atmosphere.

May Temperature in Otsuki

In May in Otsuki, the average temperature is 16°C (61°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as 2°C (36°F). This diverse temperature range makes Otsuki an ideal destination for travelers seeking both warm days and cool nights.

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

The chart illustrates May temperature patterns in Otsuki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Otsuki, May typically has an average temperature of 16°C (61°F), with highs reaching up to 30°C (86°F) and lows dropping to around 2°C (36°F).

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

May Precipitation in Otsuki

In Otsuki in May, the precipitation amount is 164 mm (6.5 in) spread over 14 days.

May Precipitation Trends in Otsuki

The chart displays monthly precipitation patterns in Otsuki, 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 Otsuki, May typically receives around 164 mm (6.5 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 Otsuki

In Otsuki in May, humidity is 81%. With an average temperature of 16°C (61°F), this humidity feels like a warm, heavy blanket wrapping around you as you explore the sights, making it essential to stay hydrated and take regular breaks in the shade.

May Average Humidity in Otsuki

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

In Otsuki 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 Otsuki.

Maximum UV Index Levels in Otsuki for May

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

Data source: Otsuki 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 Otsuki Compares to Other Months

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

This table compares monthly weather conditions in Otsuki, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	59 mm (2.3 inches)	76%	moderate
February Weather	3°C (38°F)	72 mm (2.9 inches)	74%	high
March Weather	7°C (45°F)	182 mm (7.2 inches)	70%	very high
April Weather	11°C (52°F)	164 mm (6.5 inches)	74%	very high
May Weather	16°C (61°F)	164 mm (6.5 inches)	81%	extreme
June Weather	19°C (66°F)	216 mm (8.5 inches)	88%	extreme
July Weather	23°C (74°F)	305 mm (12.0 inches)	93%	extreme
August Weather	25°C (77°F)	172 mm (6.8 inches)	90%	extreme
September Weather	20°C (69°F)	238 mm (9.4 inches)	86%	very high
October Weather	15°C (59°F)	364 mm (14.3 inches)	83%	high
November Weather	10°C (50°F)	84 mm (3.3 inches)	80%	moderate
December Weather	4°C (40°F)	68 mm (2.7 inches)	78%	moderate