April Weather in Sobetsu, Japan

Last updated: August 23, 2025

In April, the average temperature in Sobetsu, Japan hovers around 5°C (42°F). Expect a chilly minimum of -4°C (26°F) and a mild maximum reaching 18°C (64°F). During this period, precipitation totals approximately 96 mm (3.8 in) over 13 days, contributing to an average humidity of 81%. Prepare for a mix of cool breezes and damp days!

April Temperature in Sobetsu

In April in Sobetsu, the average temperature is 5°C (42°F). Maximum temperatures can reach 18°C (64°F), while the minimum can drop as low as -4°C (26°F). Be sure to pack layers to stay comfortable while exploring the diverse weather conditions!

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

The chart illustrates April temperature patterns in Sobetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sobetsu, April typically has an average temperature of 5°C (42°F), with highs reaching up to 18°C (64°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec242534425258666864534128
Data source: Temperature data for Sobetsu 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 Sobetsu

In Sobetsu in April, the precipitation amount is 96 mm (3.8 in) spread over 13 days, indicating a relatively rainy period.

April Precipitation Trends in Sobetsu

The chart displays monthly precipitation patterns in Sobetsu, 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 Sobetsu, April typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec57568896881229717513512910666
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sobetsu

In Sobetsu in April, humidity is 81%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures feel more daunting and travel less invigorating.

April Average Humidity in Sobetsu

This chart illustrates the average monthly humidity levels in Sobetsu, 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 Sobetsu is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%81%81%86%87%93%95%88%83%79%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sobetsu

In Sobetsu in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sobetsu.

Maximum UV Index Levels in Sobetsu for April

The chart shows the monthly maximum UV Index (UVI) for Sobetsu 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 Sobetsu typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23579109108632
Data source: Sobetsu 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 Sobetsu Compares to Other Months

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

This table compares monthly weather conditions in Sobetsu, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)57 mm (2.2 inches)84%low
February Weather-4°C (25°F)56 mm (2.2 inches)83%moderate
March Weather1°C (34°F)88 mm (3.5 inches)81%moderate
April Weather5°C (42°F)96 mm (3.8 inches)81%high
May Weather11°C (52°F)88 mm (3.5 inches)86%very high
June Weather15°C (59°F)122 mm (4.8 inches)87%very high
July Weather19°C (66°F)97 mm (3.8 inches)93%very high
August Weather20°C (69°F)175 mm (6.9 inches)95%very high
September Weather18°C (64°F)135 mm (5.3 inches)88%very high
October Weather12°C (54°F)129 mm (5.1 inches)83%high
November Weather5°C (42°F)106 mm (4.2 inches)79%moderate
December Weather-2°C (29°F)66 mm (2.6 inches)80%low

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