nomadseason

December Weather in Rosersberg, Sweden

Last updated: August 27, 2025

In December, the average temperature in Rosersberg, Sweden hovers around 1°C (33°F). Expect a minimum of -16°C (3°F) and a maximum of 9°C (48°F). With an average precipitation of 59 mm (2.3 in) spread over 13 days, you’ll likely encounter some damp weather. Additionally, be prepared for a rather humid atmosphere, as average humidity levels reach a remarkable 87%.

December Temperature in Rosersberg

In December in Rosersberg, the average temperature is 1°C (33°F). Maximums can reach 9°C (48°F), and minimums can drop as low as -16°C (3°F). Be sure to pack warm clothing and prepare for chilly weather when visiting during this time.

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

The chart illustrates December temperature patterns in Rosersberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosersberg, December typically has an average temperature of 1°C (33°F), with highs reaching up to 9°C (48°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec313035415162646255463933
Data source: Temperature data for Rosersberg generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Rosersberg

In Rosersberg in December, the precipitation amount is 59 mm (2.3 in) spread over 13 days.

December Precipitation Trends in Rosersberg

The chart displays monthly precipitation patterns in Rosersberg, 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 Rosersberg, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec353341285557597650664259
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Rosersberg

In Rosersberg in December, humidity is 87%. With an average temperature of 1°C (33°F), this humidity feels like a chilling blanket, making traveling uncomfortable as the cold air clings to your skin, amplifying the frosty bite and dampness that can quickly lead to a sense of unease.

December Average Humidity in Rosersberg

This chart illustrates the average monthly humidity levels in Rosersberg, 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 Rosersberg is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%89%85%77%76%74%77%85%89%90%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rosersberg

In Rosersberg 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 Rosersberg.

Maximum UV Index Levels in Rosersberg for December

The chart shows the monthly maximum UV Index (UVI) for Rosersberg 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 Rosersberg typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Rosersberg 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 Rosersberg Compares to Other Months

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

This table compares monthly weather conditions in Rosersberg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)35 mm (1.4 inches)90%low
February Weather-1°C (30°F)33 mm (1.3 inches)88%low
March Weather1°C (35°F)41 mm (1.6 inches)89%moderate
April Weather5°C (41°F)28 mm (1.1 inches)85%moderate
May Weather10°C (51°F)55 mm (2.2 inches)77%moderate
June Weather16°C (62°F)57 mm (2.2 inches)76%high
July Weather18°C (64°F)59 mm (2.3 inches)74%high
August Weather17°C (63°F)76 mm (3.0 inches)77%moderate
September Weather13°C (55°F)50 mm (2.0 inches)85%moderate
October Weather8°C (47°F)66 mm (2.6 inches)89%low
November Weather4°C (39°F)42 mm (1.6 inches)90%low
December Weather1°C (33°F)59 mm (2.3 inches)87%low

Compare Rosersberg's Climate with Cities Worldwide