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April Weather in Rikubetsu, Japan

Last updated: August 23, 2025

In Rikubetsu, Japan, the average temperature in April hovers around 4°C (40°F). This month can see a minimum drop to -14°C (8°F) and a maximum rise to 22°C (73°F). Expect 78 mm (3.1 in) of precipitation over approximately 14 days, contributing to an average humidity of 83%.

April Temperature in Rikubetsu

In April in Rikubetsu, the average temperature is 4°C (40°F). Maximum temperatures can reach 22°C (73°F), while the minimum can drop as low as -14°C (8°F). Prepare for a diverse range of weather conditions, making it essential to pack layers for your travels.

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

The chart illustrates April temperature patterns in Rikubetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rikubetsu, April typically has an average temperature of 4°C (40°F), with highs reaching up to 22°C (73°F) and lows dropping to around -14°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec171829405156646559483724
Data source: Temperature data for Rikubetsu 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 Rikubetsu

In Rikubetsu in April, the precipitation amount is 78 mm (3.1 in) over a period of 14 days.

April Precipitation Trends in Rikubetsu

The chart displays monthly precipitation patterns in Rikubetsu, 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 Rikubetsu, April typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec504988789010483147931367752
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Rikubetsu

In Rikubetsu in April humidity is 83%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring you to bundle up while bracing against the heavy, cold air.

April Average Humidity in Rikubetsu

This chart illustrates the average monthly humidity levels in Rikubetsu, 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 Rikubetsu is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Rikubetsu

In Rikubetsu 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 Rikubetsu.

Maximum UV Index Levels in Rikubetsu for April

The chart shows the monthly maximum UV Index (UVI) for Rikubetsu 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 Rikubetsu typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2368891098532
Data source: Rikubetsu 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 Rikubetsu Compares to Other Months

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

This table compares monthly weather conditions in Rikubetsu, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)50 mm (2.0 inches)84%low
February Weather-8°C (18°F)49 mm (1.9 inches)83%moderate
March Weather-2°C (29°F)88 mm (3.5 inches)83%high
April Weather4°C (40°F)78 mm (3.1 inches)83%very high
May Weather11°C (51°F)90 mm (3.6 inches)86%very high
June Weather14°C (57°F)104 mm (4.1 inches)88%very high
July Weather18°C (65°F)83 mm (3.3 inches)93%very high
August Weather18°C (65°F)147 mm (5.8 inches)96%very high
September Weather15°C (59°F)93 mm (3.6 inches)89%very high
October Weather9°C (49°F)136 mm (5.4 inches)83%moderate
November Weather3°C (37°F)77 mm (3.0 inches)80%moderate
December Weather-5°C (24°F)52 mm (2.1 inches)79%low

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