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April Weather in Kashiwazaki, Japan

Last updated: August 23, 2025

In April, the average temperature in Kashiwazaki, Japan hovers around 12°C (53°F). You're likely to experience a minimum chill of -1°C (31°F) and a peak warmth of 27°C (81°F). Be prepared for approximately 127 mm (5.0 in) of precipitation spread over 15 days, contributing to an average humidity level of 78%. Embrace the diverse weather this month brings!

April Temperature in Kashiwazaki

In April in Kashiwazaki, the average temperature is 12°C (53°F). Maximums can reach 27°C (81°F), while minimums can drop to as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling to Kashiwazaki during this month.

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

The chart illustrates April 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, April typically has an average temperature of 12°C (53°F), with highs reaching up to 27°C (81°F) and lows dropping to around -1°C (31°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.

April Precipitation in Kashiwazaki

In Kashiwazaki in April, the total precipitation amount is 127 mm (5.0 in) distributed over 15 days.

April Precipitation Trends in Kashiwazaki

The chart displays monthly precipitation patterns in Kashiwazaki, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Kashiwazaki, April typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec194164135127123126326164171188149226
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kashiwazaki

In Kashiwazaki in April, humidity is 78%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that lingers in the air, making it essential to wear layers while exploring the sights, as the cool moisture can seep into your bones and leave you feeling a bit uncomfortable if not properly dressed for the weather.

April Average Humidity in Kashiwazaki

This chart illustrates the average monthly humidity levels in Kashiwazaki, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Kashiwazaki is approximately 78%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Kashiwazaki

In Kashiwazaki in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Kashiwazaki.

Maximum UV Index Levels in Kashiwazaki for April

The chart shows the monthly maximum UV Index (UVI) for Kashiwazaki in April, 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 April, the maximum UV index in Kashiwazaki typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111119653
Data source: Kashiwazaki April 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 April 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 April’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 April’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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