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May Weather in Tokamachi, Japan

Last updated: August 23, 2025

In May, the average temperature in Tokamachi, Japan is a pleasant 17°C (63°F). However, temperatures can range from a chilly 4°C (39°F) to a sweltering 33°C (91°F). Expect 147 mm (5.8 in) of precipitation over about 16 days, contributing to an average humidity level of 81%.

May Temperature in Tokamachi

In May in Tokamachi, the average temperature is 17°C (63°F), with maximums reaching up to 33°C (91°F) and minimums dipping as low as 4°C (39°F). It's important to pack for a range of temperatures to ensure a comfortable travel experience.

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

The chart illustrates May temperature patterns in Tokamachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tokamachi, May typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec333443526369777971604938
Data source: Temperature data for Tokamachi 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 Tokamachi

In Tokamachi in May, the precipitation amount is 147 mm (5.8 in) spread over 16 days.

May Precipitation Trends in Tokamachi

The chart displays monthly precipitation patterns in Tokamachi, 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 Tokamachi, May typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec200182159146147156360178179205150229
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Tokamachi

In Tokamachi in May humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

May Average Humidity in Tokamachi

This chart illustrates the average monthly humidity levels in Tokamachi, 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 Tokamachi is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Tokamachi

In Tokamachi 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 Tokamachi.

Maximum UV Index Levels in Tokamachi for May

The chart shows the monthly maximum UV Index (UVI) for Tokamachi 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 Tokamachi typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589101111119753
Data source: Tokamachi 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 Tokamachi Compares to Other Months

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

This table compares monthly weather conditions in Tokamachi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)200 mm (7.9 inches)88%moderate
February Weather1°C (35°F)182 mm (7.2 inches)86%moderate
March Weather6°C (43°F)159 mm (6.2 inches)81%very high
April Weather11°C (52°F)146 mm (5.8 inches)78%very high
May Weather17°C (63°F)147 mm (5.8 inches)81%very high
June Weather21°C (69°F)156 mm (6.1 inches)88%extreme
July Weather25°C (77°F)360 mm (14.2 inches)92%extreme
August Weather26°C (80°F)178 mm (7.0 inches)92%extreme
September Weather22°C (71°F)179 mm (7.0 inches)89%very high
October Weather16°C (61°F)205 mm (8.1 inches)87%high
November Weather9°C (49°F)150 mm (5.9 inches)85%moderate
December Weather3°C (38°F)229 mm (9.0 inches)86%moderate

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