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December Weather in Haellefors, Sweden

Last updated: August 27, 2025

In Haellefors, Sweden, the average temperature in December hovers around -1°C (30°F). However, temperatures can plunge to a chilly -16°C (4°F) or reach a milder 7°C (46°F). Expect a notable precipitation amount of 70 mm (2.8 in) spread over 15 days, coupled with a high average humidity of 94%. Dress warmly and prepare for some wet days!

December Temperature in Haellefors

In December in Haellefors, the average temperature is -1°C (30°F), with maximums reaching 7°C (46°F) and minimums dipping as low as -16°C (4°F). Travelers should be prepared for chilly conditions and pack accordingly for both mild and severely cold temperatures.

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

The chart illustrates December temperature patterns in Haellefors, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haellefors, December typically has an average temperature of -1°C (30°F), with highs reaching up to 7°C (46°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec282832395060625952443630
Data source: Temperature data for Haellefors 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 Haellefors

In Haellefors in December, the total precipitation amount reaches 70 mm (2.8 in) over the course of 15 days.

December Precipitation Trends in Haellefors

The chart displays monthly precipitation patterns in Haellefors, 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 Haellefors, December typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5046493567768710577896370
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Haellefors

In Haellefors in December humidity is 94%. With an average temperature of -1°C (30°F), this humidity feels like a chilling blanket that wraps around you, making every outdoor excursion uncomfortable and damp, as you battle the cold air that clings to your skin and seeps into your clothes.

December Average Humidity in Haellefors

This chart illustrates the average monthly humidity levels in Haellefors, 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 Haellefors is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%81%72%68%70%77%86%91%93%94%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Haellefors

In Haellefors 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 Haellefors.

Maximum UV Index Levels in Haellefors for December

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

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

This table compares monthly weather conditions in Haellefors, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)50 mm (2.0 inches)94%low
February Weather-2°C (28°F)46 mm (1.8 inches)92%low
March Weather0°C (33°F)49 mm (1.9 inches)89%moderate
April Weather4°C (40°F)35 mm (1.4 inches)81%moderate
May Weather10°C (50°F)67 mm (2.7 inches)72%moderate
June Weather16°C (60°F)76 mm (3.0 inches)68%high
July Weather17°C (62°F)87 mm (3.4 inches)70%high
August Weather15°C (60°F)105 mm (4.1 inches)77%moderate
September Weather11°C (52°F)77 mm (3.0 inches)86%moderate
October Weather7°C (44°F)89 mm (3.5 inches)91%low
November Weather2°C (36°F)63 mm (2.5 inches)93%low
December Weather-1°C (30°F)70 mm (2.8 inches)94%low

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