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January Weather in Slagelse, Denmark

Last updated: August 23, 2025

In January, the average temperature in Slagelse, Denmark hovers around 3°C (38°F), with fluctuations that can see lows of -7°C (19°F) and highs of 10°C (51°F). Be prepared for wet weather, as 61 mm (2.4 in) of precipitation typically falls over 11 days. With an average humidity of 90%, you'll definitely feel the chill in the air!

January Temperature in Slagelse

In January in Slagelse, the average temperature is 3°C (38°F), with maximums reaching up to 10°C (51°F) and minimums dipping as low as -7°C (19°F). Travelers should be prepared for chilly conditions and pack accordingly for fluctuating temperatures.

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

The chart illustrates January 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, January typically has an average temperature of 3°C (38°F), with highs reaching up to 10°C (51°F) and lows dropping to around -7°C (19°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.

January Precipitation in Slagelse

In Slagelse in January, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.

January Precipitation Trends in Slagelse

The chart displays monthly precipitation patterns in Slagelse, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Slagelse, January typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec625263365953789079955468
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Slagelse

In Slagelse in January humidity is 90%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill wrapping around you, making travel uncomfortable as the cold penetrates your clothing while the heavy moisture lingers in the air.

January Average Humidity in Slagelse

This chart illustrates the average monthly humidity levels in Slagelse, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Slagelse is approximately 90%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Slagelse

In Slagelse in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Slagelse.

Maximum UV Index Levels in Slagelse for January

The chart shows the monthly maximum UV Index (UVI) for Slagelse in January, 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 January, the maximum UV index in Slagelse typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765321
Data source: Slagelse January 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 January 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 January’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 January’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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