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May Weather in Nagahama, Japan

Last updated: August 23, 2025

In Nagahama, Japan, the average temperature in May hovers around 17°C (63°F), with a notable range that sees minimums of 4°C (39°F) and maximums reaching 30°C (86°F). Expect 186 mm (7.3 in) of precipitation spread over approximately 12 days, contributing to an average humidity of 83%.

May Temperature in Nagahama

In May in Nagahama, the average temperature is 17°C (63°F). Maximums can reach 30°C (86°F), while minimums can drop to 4°C (39°F). This makes it a suitable time for travelers to enjoy a comfortable climate with the possibility of both warm and cool experiences.

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

The chart illustrates May temperature patterns in Nagahama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nagahama, May typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (86°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec373846536369778072635242
Data source: Temperature data for Nagahama 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 Nagahama

In Nagahama in May, the precipitation amount is 186 mm (7.3 in) over a span of 12 days.

May Precipitation Trends in Nagahama

The chart displays monthly precipitation patterns in Nagahama, 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 Nagahama, May typically receives around 186 mm (7.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9810015217618621339324423023678128
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Nagahama

In Nagahama in May humidity is 83%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable, as the air clings to the skin and creates a heavy atmosphere, often leading to fatigue and a longing for the cooling relief of shade or air conditioning.

May Average Humidity in Nagahama

This chart illustrates the average monthly humidity levels in Nagahama, 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 Nagahama is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Nagahama

In Nagahama in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Nagahama.

Maximum UV Index Levels in Nagahama for May

The chart shows the monthly maximum UV Index (UVI) for Nagahama 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 Nagahama typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Nagahama 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 Nagahama Compares to Other Months

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

This table compares monthly weather conditions in Nagahama, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)98 mm (3.9 inches)82%moderate
February Weather3°C (38°F)100 mm (3.9 inches)79%high
March Weather8°C (46°F)152 mm (6.0 inches)74%very high
April Weather12°C (54°F)176 mm (6.9 inches)76%very high
May Weather17°C (63°F)186 mm (7.3 inches)83%extreme
June Weather21°C (69°F)213 mm (8.4 inches)87%extreme
July Weather25°C (77°F)393 mm (15.5 inches)93%extreme
August Weather27°C (80°F)244 mm (9.6 inches)91%extreme
September Weather22°C (73°F)230 mm (9.1 inches)87%very high
October Weather17°C (63°F)236 mm (9.3 inches)85%high
November Weather11°C (52°F)78 mm (3.1 inches)83%moderate
December Weather6°C (42°F)128 mm (5.0 inches)83%moderate

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