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May Weather in Hiranai, Japan

Last updated: August 23, 2025

In May, the average temperature in Hiranai, Japan hovers around 13°C (56°F), with a range that can drop to a cool 6°C (44°F) or rise to a pleasant 26°C (79°F). Expect some rain, as 96 mm (3.8 in) of precipitation is likely over 13 days, and humidity levels soar to a balmy 86%. Be prepared for a mix of cool and warm days amidst the showers!

May Temperature in Hiranai

In May in Hiranai, the average temperature is 13°C (56°F), with maximums reaching 26°C (79°F) and minimums dropping as low as 6°C (44°F). This mild climate makes Hiranai a great destination for outdoor activities and exploration during this time of year.

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

The chart illustrates May temperature patterns in Hiranai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hiranai, May typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (79°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec323239475663717369594836
Data source: Temperature data for Hiranai generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Hiranai

In Hiranai in May, the precipitation amount is 96 mm (3.8 in) spread over 13 days, indicating a relatively rainy period.

May Precipitation Trends in Hiranai

The chart displays monthly precipitation patterns in Hiranai, 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 Hiranai, May typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8510089969611612418611015892141
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hiranai

In Hiranai in May, humidity is 86%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or air-conditioned spaces frequently.

May Average Humidity in Hiranai

This chart illustrates the average monthly humidity levels in Hiranai, 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 Hiranai is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%77%78%86%91%95%97%89%82%78%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hiranai

In Hiranai 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 Hiranai.

Maximum UV Index Levels in Hiranai for May

The chart shows the monthly maximum UV Index (UVI) for Hiranai 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 Hiranai typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235891010118642
Data source: Hiranai 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 Hiranai Compares to Other Months

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

This table compares monthly weather conditions in Hiranai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)85 mm (3.4 inches)79%low
February Weather0°C (32°F)100 mm (3.9 inches)78%moderate
March Weather4°C (39°F)89 mm (3.5 inches)77%moderate
April Weather8°C (47°F)96 mm (3.8 inches)78%very high
May Weather13°C (56°F)96 mm (3.8 inches)86%very high
June Weather17°C (63°F)116 mm (4.6 inches)91%very high
July Weather21°C (71°F)124 mm (4.9 inches)95%very high
August Weather23°C (74°F)186 mm (7.3 inches)97%extreme
September Weather20°C (69°F)110 mm (4.3 inches)89%very high
October Weather15°C (59°F)158 mm (6.2 inches)81%high
November Weather9°C (48°F)92 mm (3.6 inches)78%moderate
December Weather2°C (37°F)141 mm (5.6 inches)77%low

Compare Hiranai's Climate with Cities Worldwide