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December Weather in Haellevik, Sweden

Last updated: August 27, 2025

In Haellevik, Sweden, the average temperature in December hovers around 4°C (40°F). While it can dip to a chilling -6°C (22°F), it may also reach a pleasant 10°C (49°F). Expect about 99 mm (3.9 in) of precipitation spread over 19 days, with an average humidity level of 85%.

December Temperature in Haellevik

In December in Haellevik, the average temperature is 4°C (40°F). The maximum can reach 10°C (49°F) and the minimum can be as low as -6°C (22°F). Be prepared for chilly weather and pack accordingly if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Haellevik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haellevik, December typically has an average temperature of 4°C (40°F), with highs reaching up to 10°C (49°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec373638435061646459524540
Data source: Temperature data for Haellevik 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 Haellevik

In Haellevik in December, the precipitation amount is 99 mm (3.9 in) spread over 19 days.

December Precipitation Trends in Haellevik

The chart displays monthly precipitation patterns in Haellevik, 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 Haellevik, December typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec636959314241566870947699
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Haellevik

In Haellevik in December, humidity is 85%. With an average temperature of 4°C (40°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities feel much colder and damp, which can be quite uncomfortable for traveling.

December Average Humidity in Haellevik

This chart illustrates the average monthly humidity levels in Haellevik, 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 Haellevik is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%87%85%82%81%82%80%82%85%85%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Haellevik

In Haellevik 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 Haellevik.

Maximum UV Index Levels in Haellevik for December

The chart shows the monthly maximum UV Index (UVI) for Haellevik 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 Haellevik typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Haellevik 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 Haellevik Compares to Other Months

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

This table compares monthly weather conditions in Haellevik, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)62 mm (2.5 inches)87%low
February Weather2°C (37°F)69 mm (2.7 inches)88%low
March Weather3°C (38°F)59 mm (2.3 inches)87%moderate
April Weather6°C (43°F)31 mm (1.2 inches)85%moderate
May Weather10°C (50°F)42 mm (1.6 inches)82%high
June Weather16°C (61°F)41 mm (1.6 inches)81%high
July Weather18°C (64°F)56 mm (2.2 inches)82%high
August Weather18°C (64°F)68 mm (2.7 inches)80%high
September Weather15°C (59°F)70 mm (2.7 inches)82%moderate
October Weather11°C (52°F)94 mm (3.7 inches)85%moderate
November Weather7°C (46°F)76 mm (3.0 inches)85%low
December Weather4°C (40°F)99 mm (3.9 inches)85%low

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