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April Weather in Ryotsu-minato, Japan

Last updated: August 23, 2025

In Ryotsu-minato, Japan, the average temperature in April hovers around 11°C (52°F), offering a mild climate for visitors. Expect minimum temperatures to dip to 3°C (38°F), while highs can reach up to 21°C (70°F). With an average humidity of 78%, it’s a perfect time to enjoy the outdoors, albeit be prepared for 112 mm (4.4 in) of precipitation spread over 13 days.

April Temperature in Ryotsu-minato

In April in Ryotsu-minato, the average temperature is 11°C (52°F). Maximums can reach 21°C (70°F), and minimums can drop as low as 3°C (38°F). This mild climate makes Ryotsu-minato an ideal destination for travelers seeking comfortable weather during this time of year.

April Weather in Ryotsu-minato: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Ryotsu-minato, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ryotsu-minato, April typically has an average temperature of 11°C (52°F), with highs reaching up to 21°C (70°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec394045526268778174645444
Data source: Temperature data for Ryotsu-minato 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 Ryotsu-minato

In Ryotsu-minato in April, the precipitation amount is 112 mm (4.4 in) over the course of 13 days.

April Precipitation Trends in Ryotsu-minato

The chart displays monthly precipitation patterns in Ryotsu-minato, 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 Ryotsu-minato, April typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1341061031129493258215160157124187
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Ryotsu-minato

In Ryotsu-minato in April humidity is 78%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and travel more challenging as you navigate the moist air.

April Average Humidity in Ryotsu-minato

This chart illustrates the average monthly humidity levels in Ryotsu-minato, 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 Ryotsu-minato 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 Ryotsu-minato

In Ryotsu-minato in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Ryotsu-minato.

Maximum UV Index Levels in Ryotsu-minato for April

The chart shows the monthly maximum UV Index (UVI) for Ryotsu-minato 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 Ryotsu-minato typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478101011119643
Data source: Ryotsu-minato 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 Ryotsu-minato Compares to Other Months

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

This table compares monthly weather conditions in Ryotsu-minato, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)134 mm (5.3 inches)88%moderate
February Weather4°C (40°F)106 mm (4.2 inches)86%moderate
March Weather7°C (46°F)103 mm (4.0 inches)81%high
April Weather11°C (52°F)112 mm (4.4 inches)78%very high
May Weather16°C (62°F)94 mm (3.7 inches)81%very high
June Weather20°C (69°F)93 mm (3.6 inches)88%very high
July Weather25°C (77°F)258 mm (10.2 inches)92%extreme
August Weather27°C (81°F)215 mm (8.4 inches)92%extreme
September Weather23°C (74°F)160 mm (6.3 inches)89%very high
October Weather18°C (65°F)157 mm (6.2 inches)87%high
November Weather12°C (54°F)124 mm (4.9 inches)85%moderate
December Weather7°C (44°F)187 mm (7.3 inches)86%moderate

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