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May Weather in Onagawa Cho, Japan

Last updated: August 23, 2025

In Onagawa Cho, Japan, the average temperature in May hovers around 14°C (57°F), making it a mild time of year. Temperatures can vary, with a minimum of 7°C (46°F) and a maximum reaching 24°C (75°F). Expect some wet days, as precipitation amounts average 110 mm (4.3 in) over 11 days. The average humidity is around 80%, creating a refreshing atmosphere perfect for exploring!

May Temperature in Onagawa Cho

In May in Onagawa Cho, the average temperature is 14°C (57°F). The maximum can reach 24°C (75°F), while the minimum can drop to as low as 7°C (46°F). This mild climate makes Onagawa Cho an ideal destination for travelers seeking pleasant weather and comfortable exploration.

May Weather in Onagawa Cho: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Onagawa Cho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onagawa Cho, May typically has an average temperature of 14°C (57°F), with highs reaching up to 24°C (75°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec383843495763707571635343
Data source: Temperature data for Onagawa Cho 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 Onagawa Cho

In Onagawa Cho in May, the precipitation amount is 110 mm (4.3 in) spread over 11 days.

May Precipitation Trends in Onagawa Cho

The chart displays monthly precipitation patterns in Onagawa Cho, 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 Onagawa Cho, May typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4742107114110961731681412144463
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Onagawa Cho

In Onagawa Cho in May, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.

May Average Humidity in Onagawa Cho

This chart illustrates the average monthly humidity levels in Onagawa Cho, 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 Onagawa Cho is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Onagawa Cho

In Onagawa Cho 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 Onagawa Cho.

Maximum UV Index Levels in Onagawa Cho for May

The chart shows the monthly maximum UV Index (UVI) for Onagawa Cho 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 Onagawa Cho typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101010119643
Data source: Onagawa Cho 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 Onagawa Cho Compares to Other Months

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

This table compares monthly weather conditions in Onagawa Cho, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (39°F)47 mm (1.8 inches)80%moderate
February Weather4°C (39°F)42 mm (1.6 inches)79%moderate
March Weather6°C (44°F)107 mm (4.2 inches)77%high
April Weather9°C (49°F)114 mm (4.5 inches)75%very high
May Weather14°C (57°F)110 mm (4.3 inches)80%very high
June Weather17°C (63°F)96 mm (3.8 inches)87%very high
July Weather21°C (71°F)173 mm (6.8 inches)92%very high
August Weather24°C (75°F)167 mm (6.6 inches)92%extreme
September Weather22°C (71°F)141 mm (5.5 inches)86%very high
October Weather17°C (63°F)214 mm (8.4 inches)82%high
November Weather12°C (53°F)44 mm (1.7 inches)79%moderate
December Weather6°C (43°F)63 mm (2.5 inches)80%moderate

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