May Weather in Hirara, Japan

Last updated: August 23, 2025

In Hirara, Japan, the average temperature in May is a pleasant 25°C (78°F). Visitors can expect a range, with minimum temperatures dipping to 21°C (70°F) and maximums reaching 29°C (84°F). The area experiences 157 mm (6.2 in) of precipitation spread over 14 days, contributing to an average humidity level of 85%, creating a lush and vibrant atmosphere.

May Temperature in Hirara

In May in Hirara, the average temperature is 25°C (78°F). Maximums can reach 29°C (84°F) and minimums can drop to as low as 21°C (70°F). This makes it an ideal time for travelers looking to enjoy pleasant weather and explore the beautiful surroundings of Hirara.

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

The chart illustrates May temperature patterns in Hirara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hirara, May typically has an average temperature of 25°C (78°F), with highs reaching up to 29°C (84°F) and lows dropping to around 21°C (70°F).

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

May Precipitation in Hirara

In Hirara in May, the precipitation amount is 157 mm (6.2 in) spread over a duration of 14 days.

May Precipitation Trends in Hirara

The chart displays monthly precipitation patterns in Hirara, 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 Hirara, May typically receives around 157 mm (6.2 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 Hirara

In Hirara in May humidity is 85%. With an average temperature of 25°C (78°F), this humidity feels like traveling through a warm, damp blanket that clings to your skin, making even short walks feel exhausting and prompting frequent breaks in the shade or a refreshing drink to stay cool.

May Average Humidity in Hirara

This chart illustrates the average monthly humidity levels in Hirara, 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 Hirara is approximately 85%, 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 Hirara

In Hirara in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Hirara.

Maximum UV Index Levels in Hirara for May

The chart shows the monthly maximum UV Index (UVI) for Hirara 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 Hirara typically reaches 13, which falls under the extreme exposure category.

Data source: Hirara 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 Hirara Compares to Other Months

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

This table compares monthly weather conditions in Hirara, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	90 mm (3.6 inches)	73%	high
February Weather	20°C (68°F)	74 mm (2.9 inches)	73%	very high
March Weather	21°C (71°F)	135 mm (5.3 inches)	77%	extreme
April Weather	23°C (73°F)	126 mm (5.0 inches)	83%	extreme
May Weather	25°C (78°F)	157 mm (6.2 inches)	85%	extreme
June Weather	28°C (82°F)	232 mm (9.2 inches)	86%	extreme
July Weather	29°C (84°F)	221 mm (8.7 inches)	84%	extreme
August Weather	28°C (83°F)	279 mm (11.0 inches)	82%	extreme
September Weather	28°C (83°F)	260 mm (10.3 inches)	83%	extreme
October Weather	26°C (79°F)	140 mm (5.5 inches)	81%	very high
November Weather	24°C (76°F)	123 mm (4.9 inches)	81%	very high
December Weather	22°C (71°F)	229 mm (9.0 inches)	77%	high