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May Weather in Shonai, Japan

Last updated: August 23, 2025

In May, the average temperature in Shonai, Japan is a pleasant 15°C (60°F). However, be prepared for some variability, as temperatures can dip to a minimum of 4°C (40°F) and soar to a maximum of 30°C (87°F). During this month, expect about 137 mm (5.4 in) of precipitation spread over 15 days, accompanied by a high average humidity of 86%. Be sure to pack accordingly!

May Temperature in Shonai

In May in Shonai, the average temperature is 15°C (60°F). Maximums can reach 30°C (87°F), and minimums can drop to as low as 4°C (40°F). This varied climate makes Shonai an ideal destination for travelers seeking both warm sunny days and cooler evenings.

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

The chart illustrates May temperature patterns in Shonai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shonai, May typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec333340486066747769584837
Data source: Temperature data for Shonai 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 Shonai

In Shonai in May, the precipitation amount is 137 mm (5.4 in) over the course of 15 days.

May Precipitation Trends in Shonai

The chart displays monthly precipitation patterns in Shonai, 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 Shonai, May typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec181171147144138147268269169190170241
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Shonai

In Shonai in May, humidity is 86%. With an average temperature of 15°C (60°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel sticky and heavy, often leading you to seek shade or cool refreshments more frequently as you navigate the sights.

May Average Humidity in Shonai

This chart illustrates the average monthly humidity levels in Shonai, 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 Shonai is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%76%78%86%90%93%92%84%80%76%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Shonai

In Shonai 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 Shonai.

Maximum UV Index Levels in Shonai for May

The chart shows the monthly maximum UV Index (UVI) for Shonai 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 Shonai typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991011119643
Data source: Shonai 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 Shonai Compares to Other Months

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

This table compares monthly weather conditions in Shonai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)181 mm (7.1 inches)79%moderate
February Weather1°C (34°F)171 mm (6.7 inches)78%moderate
March Weather4°C (40°F)147 mm (5.8 inches)76%high
April Weather9°C (49°F)144 mm (5.7 inches)78%very high
May Weather15°C (60°F)137 mm (5.4 inches)86%very high
June Weather19°C (67°F)147 mm (5.8 inches)90%very high
July Weather24°C (75°F)268 mm (10.5 inches)93%extreme
August Weather25°C (77°F)269 mm (10.6 inches)92%extreme
September Weather20°C (69°F)169 mm (6.6 inches)84%very high
October Weather15°C (59°F)190 mm (7.5 inches)80%high
November Weather9°C (48°F)169 mm (6.7 inches)76%moderate
December Weather3°C (37°F)241 mm (9.5 inches)78%moderate

Compare Shonai's Climate with Cities Worldwide