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April Weather in Yanaizu, Japan

Last updated: August 23, 2025

In April, the average temperature in Yanaizu, Japan hovers around 9°C (48°F). Expect a range from a chilly -5°C (24°F) to a pleasantly warm 25°C (78°F). Be prepared for some rain, as the area sees approximately 127 mm (5.0 in) of precipitation spread over 15 days, contributing to an average humidity of 78%.

April Temperature in Yanaizu

In April in Yanaizu, the average temperature is 9°C (48°F), with maximums reaching up to 25°C (78°F) and minimums plummeting as low as -5°C (24°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both warm and chilly conditions.

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

The chart illustrates April temperature patterns in Yanaizu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanaizu, April typically has an average temperature of 9°C (48°F), with highs reaching up to 25°C (78°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec303138475965737567574634
Data source: Temperature data for Yanaizu 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 Yanaizu

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

April Precipitation Trends in Yanaizu

The chart displays monthly precipitation patterns in Yanaizu, 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 Yanaizu, April typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec157155147127111117256153126168100176
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Yanaizu

In Yanaizu in April humidity is 78%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that clings to your skin, making outdoor excursions less enjoyable as you navigate the damp air.

April Average Humidity in Yanaizu

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

In Yanaizu 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 Yanaizu.

Maximum UV Index Levels in Yanaizu for April

The chart shows the monthly maximum UV Index (UVI) for Yanaizu 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 Yanaizu typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111119753
Data source: Yanaizu 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 Yanaizu Compares to Other Months

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

This table compares monthly weather conditions in Yanaizu, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)157 mm (6.2 inches)88%moderate
February Weather-1°C (31°F)155 mm (6.1 inches)86%moderate
March Weather3°C (38°F)147 mm (5.8 inches)81%very high
April Weather9°C (48°F)127 mm (5.0 inches)78%very high
May Weather15°C (59°F)111 mm (4.4 inches)81%very high
June Weather18°C (65°F)117 mm (4.6 inches)88%extreme
July Weather23°C (73°F)256 mm (10.1 inches)92%extreme
August Weather24°C (76°F)153 mm (6.0 inches)92%extreme
September Weather19°C (67°F)126 mm (5.0 inches)89%very high
October Weather14°C (57°F)168 mm (6.6 inches)87%high
November Weather8°C (46°F)100 mm (3.9 inches)85%moderate
December Weather1°C (35°F)176 mm (6.9 inches)86%moderate

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