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May Weather in Ryugasaki, Japan

Last updated: August 23, 2025

In May, the average temperature in Ryugasaki, Japan hovers around 19°C (67°F). Expect a range that can dip to a chilly 6°C (43°F) and peak at a sweltering 33°C (92°F). During this time, you'll likely experience 125 mm (4.9 in) of precipitation spread across 12 days, coupled with an average humidity level of 81%. Plan accordingly to enjoy your stay!

May Temperature in Ryugasaki

In May in Ryugasaki, the average temperature is 19°C (67°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 6°C (43°F). This makes Ryugasaki an ideal destination for travelers seeking mild weather with the possibility of warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Ryugasaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ryugasaki, May typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec404350586772798275655645
Data source: Temperature data for Ryugasaki 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 Ryugasaki

In Ryugasaki in May, the total precipitation amount is 125 mm (4.9 in) spread over 12 days.

May Precipitation Trends in Ryugasaki

The chart displays monthly precipitation patterns in Ryugasaki, 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 Ryugasaki, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec47421281121251442181081712388662
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ryugasaki

In Ryugasaki in May humidity is 81%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket enveloping you, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick, prompting you to seek shade and hydration frequently.

May Average Humidity in Ryugasaki

This chart illustrates the average monthly humidity levels in Ryugasaki, 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 Ryugasaki is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%69%68%73%81%88%94%87%83%78%74%72%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ryugasaki

In Ryugasaki in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Ryugasaki.

Maximum UV Index Levels in Ryugasaki for May

The chart shows the monthly maximum UV Index (UVI) for Ryugasaki 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 Ryugasaki typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
Data source: Ryugasaki 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 Ryugasaki Compares to Other Months

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

This table compares monthly weather conditions in Ryugasaki, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)47 mm (1.8 inches)70%moderate
February Weather6°C (43°F)42 mm (1.7 inches)69%moderate
March Weather10°C (51°F)128 mm (5.0 inches)68%high
April Weather14°C (58°F)112 mm (4.4 inches)73%very high
May Weather19°C (67°F)125 mm (4.9 inches)81%very high
June Weather22°C (72°F)144 mm (5.7 inches)88%extreme
July Weather26°C (79°F)218 mm (8.6 inches)94%extreme
August Weather28°C (82°F)108 mm (4.3 inches)87%very high
September Weather24°C (75°F)171 mm (6.7 inches)83%very high
October Weather18°C (65°F)238 mm (9.4 inches)78%high
November Weather13°C (56°F)86 mm (3.4 inches)74%moderate
December Weather7°C (45°F)62 mm (2.4 inches)72%moderate

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