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May Weather in Shin'ichi, Japan

Last updated: August 23, 2025

In May, the average temperature in Shin'ichi, Japan hovers around 20°C (68°F), making it a pleasant time to visit. Expect minimum temperatures dipping to 7°C (46°F) and maximums soaring up to 31°C (89°F). While you enjoy the warm days, be prepared for an average precipitation of 107 mm (4.2 in) over 9 days, alongside an average humidity level of 84%.

May Temperature in Shin'ichi

In May in Shin'ichi, the average temperature is 20°C (68°F). The maximum can reach 31°C (89°F), and the minimum can be as low as 7°C (46°F). This makes it a great time to visit for those who enjoy mild weather with a mix of warm and cooler days.

May Weather in Shin'ichi: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Shin'ichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shin'ichi, May typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (89°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec434351596873818477675546
Data source: Temperature data for Shin'ichi 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 Shin'ichi

In Shin'ichi in May, the precipitation amount is 107 mm (4.2 in), occurring over a span of 9 days.

May Precipitation Trends in Shin'ichi

The chart displays monthly precipitation patterns in Shin'ichi, 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 Shin'ichi, May typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4054931171071493141661741643146
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Shin'ichi

In Shin'ichi in May humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

May Average Humidity in Shin'ichi

This chart illustrates the average monthly humidity levels in Shin'ichi, 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 Shin'ichi is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Shin'ichi

In Shin'ichi 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 Shin'ichi.

Maximum UV Index Levels in Shin'ichi for May

The chart shows the monthly maximum UV Index (UVI) for Shin'ichi 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 Shin'ichi typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121210764
Data source: Shin'ichi 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 Shin'ichi Compares to Other Months

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

This table compares monthly weather conditions in Shin'ichi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)40 mm (1.6 inches)82%moderate
February Weather6°C (44°F)54 mm (2.1 inches)79%moderate
March Weather10°C (51°F)93 mm (3.7 inches)73%very high
April Weather15°C (59°F)117 mm (4.6 inches)74%very high
May Weather20°C (68°F)107 mm (4.2 inches)84%extreme
June Weather23°C (74°F)149 mm (5.9 inches)86%extreme
July Weather27°C (81°F)314 mm (12.4 inches)92%extreme
August Weather29°C (85°F)166 mm (6.5 inches)92%extreme
September Weather25°C (77°F)174 mm (6.9 inches)87%very high
October Weather19°C (67°F)164 mm (6.4 inches)85%high
November Weather13°C (56°F)31 mm (1.2 inches)84%high
December Weather8°C (46°F)45 mm (1.8 inches)82%moderate

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