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May Weather in Furukawa, Japan

Last updated: August 23, 2025

In May, the average temperature in Furukawa, Japan hovers around 16°C (62°F). Expect a minimum of 6°C (42°F) and a pleasant maximum of 30°C (87°F). With 105 mm (4.1 in) of rainfall over about 12 days, it's wise to prepare for some wet weather. The average humidity remains high at 80%, adding a touch of stickiness to the air.

May Temperature in Furukawa

In May in Furukawa, the average temperature is 16°C (62°F), with maximums reaching 30°C (87°F) and minimums dropping as low as 6°C (42°F). This makes it an ideal time for travelers seeking to enjoy mild weather with the possibility of warm afternoons and cool evenings.

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

The chart illustrates May temperature patterns in Furukawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Furukawa, May typically has an average temperature of 16°C (62°F), with highs reaching up to 30°C (87°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec353743516167757770604939
Data source: Temperature data for Furukawa 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 Furukawa

In Furukawa in May, the precipitation amount is 105 mm (4.1 in) over the course of 12 days.

May Precipitation Trends in Furukawa

The chart displays monthly precipitation patterns in Furukawa, 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 Furukawa, May typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec55471091111051062142161381984162
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Furukawa

In Furukawa in May humidity is 80%. With an average temperature of 16°C (62°F), this humidity feels like a warm, muggy embrace, making travel slightly uncomfortable as the air hangs heavy, necessitating frequent hydration and light clothing to stay cool and refreshed.

May Average Humidity in Furukawa

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

In Furukawa 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 Furukawa.

Maximum UV Index Levels in Furukawa for May

The chart shows the monthly maximum UV Index (UVI) for Furukawa 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 Furukawa typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478101011119643
Data source: Furukawa 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 Furukawa Compares to Other Months

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

This table compares monthly weather conditions in Furukawa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)55 mm (2.1 inches)80%moderate
February Weather3°C (37°F)47 mm (1.9 inches)79%moderate
March Weather6°C (43°F)109 mm (4.3 inches)77%high
April Weather10°C (51°F)111 mm (4.4 inches)75%very high
May Weather16°C (62°F)105 mm (4.1 inches)80%very high
June Weather20°C (68°F)105 mm (4.2 inches)87%very high
July Weather24°C (75°F)214 mm (8.4 inches)92%extreme
August Weather25°C (78°F)216 mm (8.5 inches)92%extreme
September Weather21°C (71°F)138 mm (5.4 inches)86%very high
October Weather16°C (61°F)198 mm (7.8 inches)82%high
November Weather10°C (50°F)41 mm (1.6 inches)79%moderate
December Weather4°C (39°F)62 mm (2.4 inches)80%moderate

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