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May Weather in Namioka, Japan

Last updated: August 23, 2025

In May, the average temperature in Namioka, Japan hovers around 14°C (58°F). Expect a range where the minimum dips to 3°C (38°F) and the maximum soars to 30°C (86°F). Keep in mind, precipitation is moderate, with about 104 mm (4.1 in) falling over 13 days, contributing to an average humidity of a brisk 86%.

May Temperature in Namioka

In May in Namioka, the average temperature is 14°C (58°F). Maximum temperatures can reach 30°C (86°F), while the minimum can drop to as low as 3°C (38°F). This makes Namioka a favorable destination for travelers seeking mild weather along with a mix of warm and cooler days.

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

The chart illustrates May temperature patterns in Namioka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Namioka, May typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec303037465865737567564533
Data source: Temperature data for Namioka 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 Namioka

In Namioka in May, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.

May Precipitation Trends in Namioka

The chart displays monthly precipitation patterns in Namioka, 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 Namioka, May typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec80106103113104130135181129166106130
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Namioka

In Namioka in May, humidity is 86%. With an average temperature of 14°C (58°F), this humidity feels like traveling in a warm, sticky embrace that can make outdoor adventures a bit heavy and sweat-inducing, so it's wise to stay hydrated and take frequent breaks in the shade.

May Average Humidity in Namioka

This chart illustrates the average monthly humidity levels in Namioka, 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 Namioka is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%77%78%86%91%95%97%89%82%78%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Namioka

In Namioka 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 Namioka.

Maximum UV Index Levels in Namioka for May

The chart shows the monthly maximum UV Index (UVI) for Namioka 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 Namioka typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010118642
Data source: Namioka 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 Namioka Compares to Other Months

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

This table compares monthly weather conditions in Namioka, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)79 mm (3.1 inches)79%moderate
February Weather-1°C (31°F)106 mm (4.2 inches)78%moderate
March Weather3°C (38°F)103 mm (4.1 inches)77%high
April Weather8°C (47°F)113 mm (4.4 inches)78%very high
May Weather14°C (58°F)104 mm (4.1 inches)86%very high
June Weather18°C (65°F)130 mm (5.1 inches)91%very high
July Weather23°C (73°F)135 mm (5.3 inches)95%very high
August Weather24°C (75°F)181 mm (7.1 inches)97%extreme
September Weather20°C (68°F)129 mm (5.1 inches)89%very high
October Weather13°C (56°F)166 mm (6.6 inches)81%high
November Weather7°C (45°F)106 mm (4.2 inches)78%moderate
December Weather1°C (33°F)130 mm (5.1 inches)77%low

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