May Weather in Shiraoi, Japan

Last updated: August 23, 2025

In May, the average temperature in Shiraoi, Japan hovers around 10°C (51°F), with a comfortable range between a minimum of 4°C (39°F) and a pleasant maximum of 23°C (73°F). Expect notable precipitation, totaling 92 mm (3.6 in) spread over 10 days, contributing to an average humidity of 86%. Be prepared for a mix of cool and wet days!

May Temperature in Shiraoi

In May in Shiraoi, the average temperature is 10°C (51°F). Maximums can reach 23°C (73°F), and minimums can be as low as 4°C (39°F). Therefore, it's advisable to pack layers to accommodate the variable weather while enjoying your travels.

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

The chart illustrates May temperature patterns in Shiraoi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shiraoi, May typically has an average temperature of 10°C (51°F), with highs reaching up to 23°C (73°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec252634415157656864544230
Data source: Temperature data for Shiraoi 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 Shiraoi

In Shiraoi in May, the total precipitation amount is 92 mm (3.6 in), which falls over the course of 10 days.

May Precipitation Trends in Shiraoi

The chart displays monthly precipitation patterns in Shiraoi, 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 Shiraoi, May typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec585388969213111319414214010764
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Shiraoi

In Shiraoi in May humidity is 86%. With an average temperature of 10°C (51°F), this humidity feels like a cool, damp blanket enveloping you, making traveling feel invigorating yet slightly uncomfortable without the right layers.

May Average Humidity in Shiraoi

This chart illustrates the average monthly humidity levels in Shiraoi, 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 Shiraoi is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%81%81%86%87%93%95%88%83%79%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Shiraoi

In Shiraoi 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 Shiraoi.

Maximum UV Index Levels in Shiraoi for May

The chart shows the monthly maximum UV Index (UVI) for Shiraoi 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 Shiraoi typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23579109108632
Data source: Shiraoi 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 Shiraoi Compares to Other Months

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

This table compares monthly weather conditions in Shiraoi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)58 mm (2.3 inches)84%low
February Weather-3°C (26°F)53 mm (2.1 inches)83%moderate
March Weather1°C (34°F)88 mm (3.5 inches)81%moderate
April Weather5°C (42°F)96 mm (3.8 inches)81%high
May Weather10°C (51°F)92 mm (3.6 inches)86%very high
June Weather14°C (58°F)131 mm (5.2 inches)87%very high
July Weather18°C (66°F)113 mm (4.4 inches)93%very high
August Weather20°C (68°F)194 mm (7.6 inches)95%very high
September Weather18°C (64°F)142 mm (5.6 inches)88%very high
October Weather12°C (54°F)140 mm (5.5 inches)83%high
November Weather6°C (43°F)107 mm (4.2 inches)79%moderate
December Weather-1°C (30°F)64 mm (2.5 inches)80%low

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