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December Weather in Fagersta, Sweden

Last updated: August 27, 2025

In December, the average temperature in Fagersta, Sweden hovers around -1°C (30°F). However, be prepared for extremes, as temperatures can plunge to a minimum of -20°C (-4°F) or rise to a maximum of 8°C (47°F). During this month, expect 62 mm (2.4 in) of precipitation spread over 15 days, contributing to a lofty average humidity of 90%. So, pack your warmest layers and waterproof gear!

December Temperature in Fagersta

In December in Fagersta, the average temperature is -1°C (30°F), with a maximum reaching 8°C (47°F) and a minimum plummeting to as low as -20°C (-4°F). It’s advisable for travelers to prepare for chilly weather and pack accordingly.

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

The chart illustrates December temperature patterns in Fagersta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fagersta, December typically has an average temperature of -1°C (30°F), with highs reaching up to 8°C (47°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec282833405161636052443630
Data source: Temperature data for Fagersta 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 Fagersta

In Fagersta in December, the precipitation amount is 62 mm (2.4 in) over the course of 15 days.

December Precipitation Trends in Fagersta

The chart displays monthly precipitation patterns in Fagersta, 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 Fagersta, December typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec423742316079759159815562
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fagersta

In Fagersta in December, humidity is 90%. With an average temperature of -1°C (30°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making outdoor activities uncomfortable and travel quite challenging.

December Average Humidity in Fagersta

This chart illustrates the average monthly humidity levels in Fagersta, 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 Fagersta 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 Fagersta

In Fagersta 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 Fagersta.

Maximum UV Index Levels in Fagersta for December

The chart shows the monthly maximum UV Index (UVI) for Fagersta 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 Fagersta typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Fagersta 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 Fagersta Compares to Other Months

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

This table compares monthly weather conditions in Fagersta, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)42 mm (1.6 inches)91%low
February Weather-2°C (28°F)37 mm (1.5 inches)89%low
March Weather1°C (33°F)42 mm (1.7 inches)88%moderate
April Weather4°C (40°F)31 mm (1.2 inches)82%moderate
May Weather10°C (51°F)60 mm (2.3 inches)71%moderate
June Weather16°C (61°F)79 mm (3.1 inches)69%high
July Weather17°C (63°F)75 mm (2.9 inches)67%high
August Weather16°C (60°F)91 mm (3.6 inches)72%moderate
September Weather11°C (53°F)59 mm (2.3 inches)83%moderate
October Weather7°C (44°F)81 mm (3.2 inches)89%low
November Weather2°C (36°F)54 mm (2.1 inches)91%low
December Weather-1°C (30°F)62 mm (2.4 inches)90%low

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