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December Weather in Hallsta, Sweden

Last updated: August 27, 2025

In December, the average temperature in Hallsta, Sweden hovers around 0°C (33°F), with a minimum dipping to -19°C (-3°F) and a maximum reaching 10°C (50°F). Expect about 56 mm (2.2 in) of precipitation over 13 days, accompanied by a significant average humidity of 90%. Stay warm and prepared for the weather!

December Temperature in Hallsta

In December in Hallsta, the average temperature is 0°C (33°F), with maximums reaching up to 10°C (50°F) and minimums dropping as low as -19°C (-3°F). Travelers should be prepared for a chilly climate, so pack warm clothing to stay comfortable during your visit.

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

The chart illustrates December temperature patterns in Hallsta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hallsta, December typically has an average temperature of 0°C (33°F), with highs reaching up to 10°C (50°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec313035425263656254463832
Data source: Temperature data for Hallsta 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 Hallsta

In Hallsta in December, the precipitation amount is 56 mm (2.2 in) over the course of 13 days.

December Precipitation Trends in Hallsta

The chart displays monthly precipitation patterns in Hallsta, 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 Hallsta, December typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec363141316356668563734756
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hallsta

In Hallsta in December humidity is 90%. With average temperature 0°C (33°F) this humidity feels like a damp chill that clings to your skin, making every step outside feel heavier and more exhausting for traveling.

December Average Humidity in Hallsta

This chart illustrates the average monthly humidity levels in Hallsta, 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 Hallsta is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%82%71%69%67%73%83%89%91%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hallsta

In Hallsta 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 Hallsta.

Maximum UV Index Levels in Hallsta for December

The chart shows the monthly maximum UV Index (UVI) for Hallsta 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 Hallsta typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Hallsta 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 Hallsta Compares to Other Months

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

This table compares monthly weather conditions in Hallsta, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)36 mm (1.4 inches)91%low
February Weather-1°C (30°F)31 mm (1.2 inches)89%low
March Weather2°C (35°F)41 mm (1.6 inches)88%moderate
April Weather6°C (42°F)31 mm (1.2 inches)82%moderate
May Weather11°C (52°F)63 mm (2.5 inches)71%moderate
June Weather17°C (63°F)56 mm (2.2 inches)69%high
July Weather18°C (65°F)66 mm (2.6 inches)67%high
August Weather17°C (62°F)85 mm (3.3 inches)72%high
September Weather12°C (55°F)63 mm (2.5 inches)83%moderate
October Weather8°C (46°F)73 mm (2.9 inches)89%low
November Weather3°C (39°F)47 mm (1.9 inches)91%low
December Weather0°C (33°F)56 mm (2.2 inches)90%low

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