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May Weather in Kasamatsucho, Japan

Last updated: August 23, 2025

In Kasamatsucho, Japan, the average temperature in May hovers around 19°C (67°F), with a minimum of 5°C (42°F) and a warm maximum of 32°C (90°F). Expect a fair amount of rainfall, totaling 196 mm (7.7 in) over about 11 days. Additionally, the average humidity level is quite high at 83%, creating a moist and mild atmosphere.

May Temperature in Kasamatsucho

In May in Kasamatsucho, the average temperature is 19°C (67°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 5°C (42°F). This range makes it an ideal time for travelers to enjoy a comfortable climate and varied outdoor activities.

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

The chart illustrates May temperature patterns in Kasamatsucho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasamatsucho, May typically has an average temperature of 19°C (67°F), with highs reaching up to 32°C (90°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec414250586773808476665545
Data source: Temperature data for Kasamatsucho 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 Kasamatsucho

In Kasamatsucho, in May, the total precipitation amount is 196 mm (7.7 in) spread over 11 days.

May Precipitation Trends in Kasamatsucho

The chart displays monthly precipitation patterns in Kasamatsucho, 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 Kasamatsucho, May typically receives around 196 mm (7.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec52591511631961963842532252466168
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kasamatsucho

In Kasamatsucho in May humidity is 83%. With an average temperature of 19°C (67°F), this humidity feels like a warm, tropical blanket wrapping around you, making traveling feel a bit sluggish and sticky, yet still inviting as long as you stay hydrated and take breaks in the shade.

May Average Humidity in Kasamatsucho

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

In Kasamatsucho 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 Kasamatsucho.

Maximum UV Index Levels in Kasamatsucho for May

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

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

This table compares monthly weather conditions in Kasamatsucho, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)52 mm (2.0 inches)82%moderate
February Weather6°C (42°F)59 mm (2.3 inches)79%high
March Weather10°C (50°F)151 mm (6.0 inches)74%very high
April Weather14°C (58°F)163 mm (6.4 inches)76%very high
May Weather19°C (67°F)196 mm (7.7 inches)83%extreme
June Weather23°C (74°F)196 mm (7.7 inches)87%extreme
July Weather27°C (81°F)384 mm (15.1 inches)93%extreme
August Weather29°C (84°F)253 mm (10.0 inches)91%extreme
September Weather25°C (76°F)225 mm (8.9 inches)87%very high
October Weather19°C (66°F)246 mm (9.7 inches)85%high
November Weather13°C (55°F)61 mm (2.4 inches)83%moderate
December Weather7°C (45°F)68 mm (2.7 inches)83%moderate

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