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May Weather in Shimoichi, Japan

Last updated: August 23, 2025

In May, the average temperature in Shimoichi, Japan hovers around 17°C (63°F). However, be prepared for a temperature range that can dip as low as 1°C (35°F) and soar up to 29°C (84°F). This month also brings 191 mm (7.5 in) of precipitation over approximately 11 days, resulting in an average humidity of 83%. Stay comfortable and enjoy the weather!

May Temperature in Shimoichi

In May in Shimoichi, the average temperature is 17°C (63°F). Maximum temperatures can reach up to 29°C (84°F), while minimums can drop as low as 1°C (35°F). Therefore, travelers should be prepared for a range of weather conditions, from warm days to chilly nights.

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

The chart illustrates May temperature patterns in Shimoichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shimoichi, May typically has an average temperature of 17°C (63°F), with highs reaching up to 29°C (84°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec363745536268757871615040
Data source: Temperature data for Shimoichi 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 Shimoichi

In Shimoichi in May, the precipitation amount reaches 191 mm (7.5 in) over the course of 11 days.

May Precipitation Trends in Shimoichi

The chart displays monthly precipitation patterns in Shimoichi, 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 Shimoichi, May typically receives around 191 mm (7.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec78931521471912673982512423136688
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Shimoichi

In Shimoichi in May humidity is 83%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable, as the air clings to the skin and creates a heavy atmosphere, often leading to fatigue and a longing for the cooling relief of shade or air conditioning.

May Average Humidity in Shimoichi

This chart illustrates the average monthly humidity levels in Shimoichi, 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 Shimoichi is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Shimoichi

In Shimoichi 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 Shimoichi.

Maximum UV Index Levels in Shimoichi for May

The chart shows the monthly maximum UV Index (UVI) for Shimoichi 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 Shimoichi typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121210764
Data source: Shimoichi 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 Shimoichi Compares to Other Months

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

This table compares monthly weather conditions in Shimoichi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)78 mm (3.1 inches)82%moderate
February Weather3°C (37°F)93 mm (3.6 inches)79%high
March Weather7°C (46°F)152 mm (6.0 inches)74%very high
April Weather12°C (54°F)147 mm (5.8 inches)76%extreme
May Weather17°C (63°F)191 mm (7.5 inches)83%extreme
June Weather20°C (68°F)267 mm (10.5 inches)87%extreme
July Weather24°C (76°F)398 mm (15.7 inches)93%extreme
August Weather26°C (78°F)251 mm (9.9 inches)91%extreme
September Weather22°C (71°F)241 mm (9.5 inches)87%very high
October Weather16°C (61°F)313 mm (12.3 inches)85%high
November Weather10°C (50°F)66 mm (2.6 inches)83%high
December Weather4°C (40°F)88 mm (3.5 inches)83%moderate

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