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April Weather in Slagelse, Denmark

Last updated: August 23, 2025

In April, the average temperature in Slagelse, Denmark hovers around 7°C (45°F). Expect a chill in the air with minimums dropping to -1°C (30°F), while daytime highs can reach up to 18°C (65°F). With 36 mm (1.4 in) of precipitation spread over 8 days, don't forget your umbrella! The average humidity sits at a high 85%, adding to the cool, crisp atmosphere.

April Temperature in Slagelse

In April in Slagelse, the average temperature is 7°C (45°F). Maximums can reach 18°C (65°F), and minimums can be as low as -1°C (30°F). It's a great time for travelers to enjoy the crisp weather while exploring the area, but be sure to pack layers to stay comfortable throughout the day.

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

The chart illustrates April temperature patterns in Slagelse, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slagelse, April typically has an average temperature of 7°C (45°F), with highs reaching up to 18°C (65°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec383739455362646459534540
Data source: Temperature data for Slagelse 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 Slagelse

In Slagelse in April, the precipitation amount is 36 mm (1.4 in) over a period of 8 days.

April Precipitation Trends in Slagelse

The chart displays monthly precipitation patterns in Slagelse, 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 Slagelse, April typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec625263365953789079955468
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Slagelse

In Slagelse in April, humidity is 85%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

April Average Humidity in Slagelse

This chart illustrates the average monthly humidity levels in Slagelse, 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 Slagelse is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%85%80%77%77%77%84%87%89%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Slagelse

In Slagelse in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Slagelse.

Maximum UV Index Levels in Slagelse for April

The chart shows the monthly maximum UV Index (UVI) for Slagelse 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 Slagelse typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765321
Data source: Slagelse 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 Slagelse Compares to Other Months

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

This table compares monthly weather conditions in Slagelse, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)61 mm (2.4 inches)90%low
February Weather3°C (37°F)52 mm (2.0 inches)89%low
March Weather4°C (39°F)62 mm (2.5 inches)88%moderate
April Weather7°C (45°F)36 mm (1.4 inches)85%moderate
May Weather12°C (53°F)59 mm (2.3 inches)80%high
June Weather17°C (62°F)53 mm (2.1 inches)77%very high
July Weather18°C (64°F)78 mm (3.1 inches)77%high
August Weather18°C (65°F)90 mm (3.5 inches)77%high
September Weather15°C (59°F)79 mm (3.1 inches)83%moderate
October Weather11°C (53°F)94 mm (3.7 inches)87%moderate
November Weather7°C (46°F)54 mm (2.1 inches)89%low
December Weather4°C (40°F)68 mm (2.7 inches)88%low

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