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December Weather in Lagan, Sweden

Last updated: August 27, 2025

In December, the average temperature in Lagan, Sweden hovers around 1°C (34°F), with a chilly minimum dipping to -18°C (0°F) and a mild maximum reaching 9°C (49°F). Expect 66 mm (2.6 in) of precipitation over approximately 14 days, accompanied by a high average humidity of 91%, adding to the brisk atmosphere.

December Temperature in Lagan

In December in Lagan, the average temperature is 1°C (34°F). Maximums can reach 9°C (49°F), while minimums can drop as low as -18°C (0°F). Travelers should prepare for a chilly experience and bring appropriate winter clothing.

December Weather in Lagan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lagan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lagan, December typically has an average temperature of 1°C (34°F), with highs reaching up to 9°C (49°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec333236435262636155474034
Data source: Temperature data for Lagan 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.

December Precipitation in Lagan

In Lagan in December, the precipitation amount is 66 mm (2.6 in) spread over a duration of 14 days.

December Precipitation Trends in Lagan

The chart displays monthly precipitation patterns in Lagan, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Lagan, December typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec506164406966949379855166
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lagan

In Lagan in December, humidity is 91%. With an average temperature of 1°C (34°F), this humidity feels like an icy embrace, making traveling quite challenging as the air feels heavy and damp, leaving everything damp and cold, and requiring extra layers for comfort.

December Average Humidity in Lagan

This chart illustrates the average monthly humidity levels in Lagan, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Lagan is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%82%70%65%65%71%82%90%92%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lagan

In Lagan in December, 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 Lagan.

Maximum UV Index Levels in Lagan for December

The chart shows the monthly maximum UV Index (UVI) for Lagan in December, 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 December, the maximum UV index in Lagan typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765211
Data source: Lagan December 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 December Weather in Lagan Compares to Other Months

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

This table compares monthly weather conditions in Lagan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)50 mm (2.0 inches)92%low
February Weather0°C (32°F)61 mm (2.4 inches)91%low
March Weather2°C (36°F)64 mm (2.5 inches)89%moderate
April Weather6°C (43°F)40 mm (1.6 inches)82%moderate
May Weather11°C (52°F)69 mm (2.7 inches)70%high
June Weather17°C (62°F)66 mm (2.6 inches)65%high
July Weather17°C (63°F)94 mm (3.7 inches)65%high
August Weather16°C (61°F)93 mm (3.6 inches)71%high
September Weather13°C (55°F)79 mm (3.1 inches)82%moderate
October Weather8°C (47°F)85 mm (3.3 inches)90%low
November Weather5°C (41°F)51 mm (2.0 inches)92%low
December Weather1°C (34°F)66 mm (2.6 inches)91%low

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