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May Weather in Kashiwazaki, Japan

Last updated: August 23, 2025

In May, the average temperature in Kashiwazaki, Japan hovers around 18°C (64°F). Expect a minimum dip to 5°C (42°F), while the maximum can soar to 32°C (90°F). Be prepared for 123 mm (4.8 in) of precipitation spread over 15 rainy days, and a notable average humidity of 81% throughout the month.

May Temperature in Kashiwazaki

In May in Kashiwazaki, the average temperature is 18°C (64°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 5°C (42°F). This makes Kashiwazaki a great destination for travelers seeking a mix of warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Kashiwazaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kashiwazaki, May typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec363745536470788173625141
Data source: Temperature data for Kashiwazaki 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 Kashiwazaki

In Kashiwazaki in May, the precipitation amount is 123 mm (4.8 in), occurring over a span of 15 days.

May Precipitation Trends in Kashiwazaki

The chart displays monthly precipitation patterns in Kashiwazaki, 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 Kashiwazaki, May typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec194164135127123126326164171188149226
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kashiwazaki

In Kashiwazaki in May, humidity is 81%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel both refreshing and slightly stifling at the same time.

May Average Humidity in Kashiwazaki

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

In Kashiwazaki 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 Kashiwazaki.

Maximum UV Index Levels in Kashiwazaki for May

The chart shows the monthly maximum UV Index (UVI) for Kashiwazaki 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 Kashiwazaki typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111119653
Data source: Kashiwazaki 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 Kashiwazaki Compares to Other Months

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

This table compares monthly weather conditions in Kashiwazaki, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)194 mm (7.6 inches)88%moderate
February Weather3°C (37°F)164 mm (6.5 inches)86%moderate
March Weather7°C (45°F)135 mm (5.3 inches)81%very high
April Weather12°C (53°F)127 mm (5.0 inches)78%very high
May Weather18°C (64°F)123 mm (4.8 inches)81%very high
June Weather21°C (70°F)126 mm (5.0 inches)88%extreme
July Weather26°C (79°F)326 mm (12.8 inches)92%extreme
August Weather27°C (81°F)164 mm (6.4 inches)92%extreme
September Weather23°C (73°F)171 mm (6.7 inches)89%very high
October Weather17°C (62°F)188 mm (7.4 inches)87%high
November Weather11°C (51°F)149 mm (5.8 inches)85%moderate
December Weather5°C (41°F)226 mm (8.9 inches)86%moderate

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