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May Weather in Omagari, Japan

Last updated: August 23, 2025

In May, the average temperature in Omagari, Japan hovers around 15°C (59°F), with a minimum drop to 3°C (37°F) and a peak reaching 30°C (86°F). Expect 135 mm (5.3 in) of precipitation spread over 15 days, and enjoy the relatively high average humidity of 80% that adds to the unique climate of the region.

May Temperature in Omagari

In May in Omagari, the average temperature is 15°C (59°F), with maximums reaching 30°C (86°F) and minimums dropping as low as 3°C (37°F). This variability makes it essential to pack layers for your travels, ensuring you're prepared for both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Omagari, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omagari, May typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec303140485966747668574635
Data source: Temperature data for Omagari 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 Omagari

In Omagari in May, the precipitation amount is 135 mm (5.3 in), occurring over a span of 15 days.

May Precipitation Trends in Omagari

The chart displays monthly precipitation patterns in Omagari, 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 Omagari, May typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec108127125141135147191210133159128157
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Omagari

In Omagari in May, humidity is 80%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly uncomfortable and necessitating frequent breaks to stay hydrated.

May Average Humidity in Omagari

This chart illustrates the average monthly humidity levels in Omagari, 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 Omagari 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 Omagari

In Omagari in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Omagari.

Maximum UV Index Levels in Omagari for May

The chart shows the monthly maximum UV Index (UVI) for Omagari 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 Omagari typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010119643
Data source: Omagari 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 Omagari Compares to Other Months

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

This table compares monthly weather conditions in Omagari, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)108 mm (4.2 inches)80%moderate
February Weather-1°C (31°F)127 mm (5.0 inches)79%moderate
March Weather4°C (40°F)125 mm (4.9 inches)77%high
April Weather9°C (48°F)141 mm (5.6 inches)75%very high
May Weather15°C (59°F)135 mm (5.3 inches)80%very high
June Weather19°C (66°F)147 mm (5.8 inches)87%very high
July Weather23°C (74°F)191 mm (7.5 inches)92%very high
August Weather24°C (76°F)210 mm (8.2 inches)92%extreme
September Weather20°C (68°F)133 mm (5.2 inches)86%very high
October Weather14°C (57°F)159 mm (6.3 inches)82%high
November Weather8°C (46°F)127 mm (5.0 inches)79%moderate
December Weather1°C (35°F)157 mm (6.2 inches)80%moderate

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