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April Weather in Ritto, Japan

Last updated: August 23, 2025

In April, the average temperature in Ritto, Japan hovers around 14°C (57°F), with a range that can dip to a chilly -1°C (31°F) and peak at a warm 27°C (80°F). Expect about 138 mm (5.4 in) of rainfall spread over 10 days, contributing to an average humidity level of 76%. Embrace the dynamic weather as you explore this charming destination!

April Temperature in Ritto

In April in Ritto, the average temperature is 14°C (57°F). The maximum can reach 27°C (80°F) and the minimum can be as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling to Ritto during this time.

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

The chart illustrates April temperature patterns in Ritto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ritto, April typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (80°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec394148566672808375655344
Data source: Temperature data for Ritto 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 Ritto

In Ritto in April, the precipitation amount is 138 mm (5.4 in) over a span of 10 days.

April Precipitation Trends in Ritto

The chart displays monthly precipitation patterns in Ritto, 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 Ritto, April typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec52591161381441412531681362274163
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Ritto

In Ritto in April humidity is 76%. With an average temperature of 14°C (57°F), this humidity feels like a warm blanket wrapped around you, creating a heavy atmosphere that can make outdoor activities feel sluggish and stifling, urging travelers to seek shade and refreshment more frequently.

April Average Humidity in Ritto

This chart illustrates the average monthly humidity levels in Ritto, 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 Ritto is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Ritto

In Ritto in April, 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 Ritto.

Maximum UV Index Levels in Ritto for April

The chart shows the monthly maximum UV Index (UVI) for Ritto 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 Ritto typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Ritto 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 Ritto Compares to Other Months

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

This table compares monthly weather conditions in Ritto, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)52 mm (2.0 inches)82%moderate
February Weather5°C (41°F)59 mm (2.3 inches)79%high
March Weather9°C (49°F)116 mm (4.6 inches)74%very high
April Weather14°C (57°F)138 mm (5.4 inches)76%very high
May Weather19°C (66°F)144 mm (5.7 inches)83%extreme
June Weather22°C (72°F)141 mm (5.6 inches)87%extreme
July Weather26°C (80°F)253 mm (10.0 inches)93%extreme
August Weather28°C (83°F)168 mm (6.6 inches)91%extreme
September Weather24°C (75°F)136 mm (5.4 inches)87%very high
October Weather18°C (65°F)227 mm (8.9 inches)85%high
November Weather12°C (54°F)41 mm (1.6 inches)83%moderate
December Weather6°C (44°F)63 mm (2.5 inches)83%moderate

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