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May Weather in Omamacho-omama, Japan

Last updated: August 23, 2025

In Omamacho-omama, Japan, the average temperature in May hovers around 17°C (62°F). Expect a comfortable range with minimums dropping to 3°C (37°F) and maximums rising to 31°C (87°F). During this month, precipitation averages 130 mm (5.1 in) over 15 days, contributing to an average humidity of 81%. Prepare for a mix of delightful warmth and occasional rain!

May Temperature in Omamacho-omama

In May in Omamacho-omama, the average temperature is 17°C (62°F). Maximum temperatures can reach 31°C (87°F), while the minimum can dip as low as 3°C (37°F). This weather makes it an ideal time for traveling, offering pleasant days and cool nights.

May Weather in Omamacho-omama: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Omamacho-omama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omamacho-omama, May typically has an average temperature of 17°C (62°F), with highs reaching up to 31°C (87°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec353644526267747769594939
Data source: Temperature data for Omamacho-omama 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 Omamacho-omama

In Omamacho-omama in May, the total precipitation amount is 130 mm (5.1 in) over the course of 15 days.

May Precipitation Trends in Omamacho-omama

The chart displays monthly precipitation patterns in Omamacho-omama, 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 Omamacho-omama, May typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec45431151231301662621791842514349
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Omamacho-omama

In Omamacho-omama in May, humidity is 81%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel sticky and requiring frequent breaks to stay comfortable while exploring.

May Average Humidity in Omamacho-omama

This chart illustrates the average monthly humidity levels in Omamacho-omama, 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 Omamacho-omama is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Omamacho-omama

In Omamacho-omama 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 Omamacho-omama.

Maximum UV Index Levels in Omamacho-omama for May

The chart shows the monthly maximum UV Index (UVI) for Omamacho-omama 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 Omamacho-omama typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111119753
Data source: Omamacho-omama 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 Omamacho-omama Compares to Other Months

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

This table compares monthly weather conditions in Omamacho-omama, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)45 mm (1.8 inches)88%moderate
February Weather2°C (37°F)43 mm (1.7 inches)86%moderate
March Weather7°C (44°F)115 mm (4.5 inches)81%very high
April Weather11°C (52°F)123 mm (4.9 inches)78%very high
May Weather17°C (62°F)130 mm (5.1 inches)81%very high
June Weather20°C (68°F)166 mm (6.5 inches)88%extreme
July Weather23°C (74°F)262 mm (10.3 inches)92%extreme
August Weather25°C (77°F)179 mm (7.1 inches)92%extreme
September Weather21°C (69°F)184 mm (7.2 inches)89%very high
October Weather15°C (60°F)251 mm (9.9 inches)87%high
November Weather9°C (49°F)43 mm (1.7 inches)85%moderate
December Weather4°C (39°F)49 mm (1.9 inches)86%moderate

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