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May Weather in Otsuchi, Japan

Last updated: August 23, 2025

In May, the average temperature in Otsuchi, Japan is a mild 12°C (55°F), with lows dipping to 7°C (44°F) and highs reaching up to 22°C (73°F). Be prepared for some rain, as the area experiences 116 mm (4.6 in) of precipitation over about 11 days. With an average humidity of 80%, it's a good idea to bring your umbrella and a light jacket!

May Temperature in Otsuchi

In May in Otsuchi, the average temperature is 12°C (55°F). Maximum temperatures can reach up to 22°C (73°F), while the minimum can drop as low as 7°C (44°F). This makes Otsuchi a perfect destination for travelers seeking mild and pleasant weather during May.

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

The chart illustrates May temperature patterns in Otsuchi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Otsuchi, May typically has an average temperature of 12°C (55°F), with highs reaching up to 22°C (73°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec373641475461687269615241
Data source: Temperature data for Otsuchi 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 Otsuchi

In Otsuchi in May, the precipitation amount is 116 mm (4.6 in) over the course of 11 days.

May Precipitation Trends in Otsuchi

The chart displays monthly precipitation patterns in Otsuchi, 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 Otsuchi, May typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec51591151271161211762001852435771
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Otsuchi

In Otsuchi in May, humidity is 80%. With an average temperature of 12°C (55°F), this humidity feels like a damp blanket wrapping around you, making it essential to choose breathable clothing and stay hydrated while exploring the area.

May Average Humidity in Otsuchi

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

In Otsuchi 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 Otsuchi.

Maximum UV Index Levels in Otsuchi for May

The chart shows the monthly maximum UV Index (UVI) for Otsuchi 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 Otsuchi typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891110109643
Data source: Otsuchi 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 Otsuchi Compares to Other Months

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

This table compares monthly weather conditions in Otsuchi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)51 mm (2.0 inches)80%moderate
February Weather2°C (37°F)59 mm (2.3 inches)79%moderate
March Weather5°C (42°F)115 mm (4.5 inches)77%high
April Weather8°C (47°F)127 mm (5.0 inches)75%very high
May Weather12°C (55°F)116 mm (4.6 inches)80%very high
June Weather16°C (61°F)120 mm (4.7 inches)87%extreme
July Weather20°C (69°F)175 mm (6.9 inches)92%very high
August Weather22°C (72°F)200 mm (7.9 inches)92%very high
September Weather20°C (69°F)185 mm (7.3 inches)86%very high
October Weather16°C (61°F)243 mm (9.6 inches)82%high
November Weather11°C (52°F)57 mm (2.3 inches)79%moderate
December Weather5°C (42°F)71 mm (2.8 inches)80%moderate

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