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May Weather in Hitachi-ota, Japan

Last updated: August 23, 2025

In Hitachi-ota, Japan, the average temperature in May hovers around 18°C (64°F). Daily highs can reach up to 28°C (83°F), while nights may dip to a refreshing 8°C (47°F). Expect 137 mm (5.4 in) of precipitation spread across about 13 days, contributing to a comfortable average humidity of 80%.

May Temperature in Hitachi-ota

In May in Hitachi-ota, the average temperature is 18°C (64°F), with maximums reaching 28°C (83°F) and minimums dropping as low as 8°C (47°F). This pleasant climate makes it an ideal time for traveling and exploring the attractions in the area.

May Weather in Hitachi-ota: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Hitachi-ota, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hitachi-ota, May typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (83°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec404148546469768073645545
Data source: Temperature data for Hitachi-ota 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 Hitachi-ota

In Hitachi-ota in May, the total precipitation amount reaches 137 mm (5.4 in) over the course of 13 days.

May Precipitation Trends in Hitachi-ota

The chart displays monthly precipitation patterns in Hitachi-ota, 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 Hitachi-ota, May typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec48421481261371402151381762398063
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hitachi-ota

In Hitachi-ota in May humidity is 80%. With an average temperature of 18°C (64°F), this humidity feels like a warm, damp blanket wrapping around you, making travel a bit more exhausting as the air thickens and the heat clings to your skin.

May Average Humidity in Hitachi-ota

This chart illustrates the average monthly humidity levels in Hitachi-ota, 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 Hitachi-ota is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hitachi-ota

In Hitachi-ota 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 Hitachi-ota.

Maximum UV Index Levels in Hitachi-ota for May

The chart shows the monthly maximum UV Index (UVI) for Hitachi-ota 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 Hitachi-ota typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109653
Data source: Hitachi-ota 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 Hitachi-ota Compares to Other Months

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

This table compares monthly weather conditions in Hitachi-ota, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)48 mm (1.9 inches)76%moderate
February Weather5°C (42°F)42 mm (1.6 inches)75%moderate
March Weather9°C (48°F)148 mm (5.8 inches)72%high
April Weather12°C (55°F)126 mm (5.0 inches)73%very high
May Weather18°C (64°F)137 mm (5.4 inches)80%very high
June Weather21°C (70°F)140 mm (5.5 inches)87%extreme
July Weather24°C (76°F)215 mm (8.4 inches)92%extreme
August Weather26°C (80°F)138 mm (5.4 inches)90%very high
September Weather23°C (73°F)176 mm (6.9 inches)84%very high
October Weather18°C (64°F)239 mm (9.4 inches)80%high
November Weather13°C (55°F)80 mm (3.2 inches)77%moderate
December Weather7°C (45°F)63 mm (2.5 inches)77%moderate

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