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April Weather in Rheinfelden, Germany

Last updated: August 23, 2025

In Rheinfelden, Germany, the average temperature in April hovers around 10°C (50°F). Expect a minimum that can dip to -4°C (26°F), while the maximum could reach a pleasant 26°C (80°F). During this month, the area sees about 59 mm (2.3 in) of precipitation spread over 10 days, with an average humidity level of 84%.

April Temperature in Rheinfelden

In April in Rheinfelden, the average temperature is 10°C (50°F). The maximum can reach 26°C (80°F), while the minimum can drop as low as -4°C (26°F). This fluctuation in temperatures makes it essential for travelers to pack layers to accommodate both warm and chilly weather.

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

The chart illustrates April temperature patterns in Rheinfelden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rheinfelden, April typically has an average temperature of 10°C (50°F), with highs reaching up to 26°C (80°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec353943505766686860514138
Data source: Temperature data for Rheinfelden 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 Rheinfelden

In Rheinfelden in April, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.

April Precipitation Trends in Rheinfelden

The chart displays monthly precipitation patterns in Rheinfelden, 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 Rheinfelden, April typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec89758759126120122115699073124
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Rheinfelden

In Rheinfelden in April, humidity is 84%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and prompting travelers to seek refuge in cozy, warm cafes or indoor attractions.

April Average Humidity in Rheinfelden

This chart illustrates the average monthly humidity levels in Rheinfelden, 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 Rheinfelden is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Rheinfelden

In Rheinfelden in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Rheinfelden, you can refer to this Hourly UV Index in Rheinfelden.

Maximum UV Index Levels in Rheinfelden for April

The chart shows the monthly maximum UV Index (UVI) for Rheinfelden 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 Rheinfelden typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Rheinfelden 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 Rheinfelden Compares to Other Months

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

This table compares monthly weather conditions in Rheinfelden, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)89 mm (3.5 inches)92%low
February Weather4°C (39°F)75 mm (2.9 inches)89%moderate
March Weather6°C (44°F)87 mm (3.4 inches)87%moderate
April Weather10°C (50°F)59 mm (2.3 inches)84%high
May Weather14°C (57°F)126 mm (5.0 inches)80%very high
June Weather19°C (66°F)120 mm (4.7 inches)82%very high
July Weather20°C (69°F)122 mm (4.8 inches)83%very high
August Weather20°C (68°F)115 mm (4.5 inches)80%very high
September Weather16°C (61°F)69 mm (2.7 inches)83%high
October Weather11°C (52°F)89 mm (3.5 inches)90%moderate
November Weather5°C (42°F)73 mm (2.9 inches)88%low
December Weather3°C (38°F)124 mm (4.9 inches)90%low

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