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May Weather in Futtsu, Japan

Last updated: August 23, 2025

In May, the average temperature in Futtsu, Japan is a pleasant 19°C (66°F). During this time, temperatures can dip as low as 12°C (54°F) and peak at 24°C (75°F). With an average precipitation of 136 mm (5.3 in) spread over 11 days, expect a few rainy moments. The atmosphere can feel quite humid, with average humidity levels reaching a comfortable 81%.

May Temperature in Futtsu

In May in Futtsu, the average temperature is 19°C (66°F). Maximums can reach 24°C (75°F), while minimums can drop as low as 12°C (54°F). This mild climate makes Futtsu a great destination for outdoor activities and sightseeing during this time of year.

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

The chart illustrates May temperature patterns in Futtsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Futtsu, May typically has an average temperature of 19°C (66°F), with highs reaching up to 24°C (75°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec464753586671778075686051
Data source: Temperature data for Futtsu 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 Futtsu

In Futtsu in May, the precipitation amount is 136 mm (5.3 in) spread over 11 days.

May Precipitation Trends in Futtsu

The chart displays monthly precipitation patterns in Futtsu, 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 Futtsu, May typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec615215512313617521111718927110972
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Futtsu

In Futtsu in May, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.

May Average Humidity in Futtsu

This chart illustrates the average monthly humidity levels in Futtsu, 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 Futtsu is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Futtsu

In Futtsu 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 Futtsu.

Maximum UV Index Levels in Futtsu for May

The chart shows the monthly maximum UV Index (UVI) for Futtsu 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 Futtsu typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111111110754
Data source: Futtsu 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 Futtsu Compares to Other Months

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

This table compares monthly weather conditions in Futtsu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)61 mm (2.4 inches)76%moderate
February Weather8°C (48°F)52 mm (2.0 inches)74%moderate
March Weather11°C (53°F)155 mm (6.1 inches)70%very high
April Weather14°C (58°F)123 mm (4.8 inches)74%very high
May Weather19°C (66°F)136 mm (5.3 inches)81%extreme
June Weather22°C (71°F)175 mm (6.9 inches)88%extreme
July Weather25°C (77°F)211 mm (8.3 inches)93%extreme
August Weather27°C (80°F)117 mm (4.6 inches)90%extreme
September Weather24°C (76°F)189 mm (7.4 inches)86%very high
October Weather20°C (68°F)271 mm (10.7 inches)83%high
November Weather16°C (60°F)108 mm (4.3 inches)80%moderate
December Weather11°C (51°F)71 mm (2.8 inches)78%moderate

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