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May Weather in Namerikawa, Japan

Last updated: August 23, 2025

In Namerikawa, Japan, the average temperature in May hovers around 17°C (64°F). Expect a range of 5°C (42°F) at its coolest to a warm 30°C (85°F) at its peak. Be prepared for some rain, with 158 mm (6.2 in) of precipitation spread over 15 days. The atmosphere is quite humid, with an average humidity level of 85%, making it a unique experience for visitors.

May Temperature in Namerikawa

In May in Namerikawa, the average temperature is 17°C (64°F), with maximums reaching 30°C (85°F) and minimums dropping as low as 5°C (42°F). This variety in temperatures makes Namerikawa an ideal destination for travelers seeking both mild days and cooler evenings.

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

The chart illustrates May temperature patterns in Namerikawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Namerikawa, May typically has an average temperature of 17°C (64°F), with highs reaching up to 30°C (85°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec363745536369778072625242
Data source: Temperature data for Namerikawa 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 Namerikawa

In Namerikawa in May, the precipitation amount is 158 mm (6.2 in) over the course of 15 days.

May Precipitation Trends in Namerikawa

The chart displays monthly precipitation patterns in Namerikawa, 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 Namerikawa, May typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec198179167179158190357264223216135231
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Namerikawa

In Namerikawa in May humidity is 85%. With an average temperature of 17°C (64°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities sticky and uncomfortable. It's crucial to stay hydrated and take frequent breaks in the shade to fully enjoy your travels.

May Average Humidity in Namerikawa

This chart illustrates the average monthly humidity levels in Namerikawa, 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 Namerikawa is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%76%77%85%89%93%92%84%81%77%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Namerikawa

In Namerikawa 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 Namerikawa.

Maximum UV Index Levels in Namerikawa for May

The chart shows the monthly maximum UV Index (UVI) for Namerikawa 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 Namerikawa typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101011111110753
Data source: Namerikawa 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 Namerikawa Compares to Other Months

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

This table compares monthly weather conditions in Namerikawa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)197 mm (7.8 inches)80%moderate
February Weather3°C (37°F)179 mm (7.0 inches)78%moderate
March Weather7°C (45°F)167 mm (6.6 inches)76%very high
April Weather12°C (53°F)179 mm (7.0 inches)77%very high
May Weather17°C (64°F)158 mm (6.2 inches)85%very high
June Weather21°C (69°F)190 mm (7.5 inches)89%extreme
July Weather25°C (78°F)357 mm (14.0 inches)93%extreme
August Weather27°C (80°F)264 mm (10.4 inches)92%extreme
September Weather22°C (73°F)223 mm (8.8 inches)84%very high
October Weather17°C (62°F)216 mm (8.5 inches)81%high
November Weather11°C (52°F)135 mm (5.3 inches)77%moderate
December Weather5°C (42°F)231 mm (9.1 inches)79%moderate

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