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December Weather in Harloesa, Sweden

Last updated: August 27, 2025

In December, the average temperature in Harloesa, Sweden hovers around 3°C (37°F), with variations ranging from a chilly -10°C (15°F) to a mild 10°C (50°F). Expect precipitation of about 61 mm (2.4 in) over approximately 14 days, contributing to an average humidity of a notable 85%.

December Temperature in Harloesa

In December in Harloesa, the average temperature is 3°C (37°F). The maximum can reach 10°C (50°F), and the minimum can be as low as -10°C (15°F). Travelers should pack warmly and be prepared for potential chilly conditions during their visit.

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

The chart illustrates December temperature patterns in Harloesa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harloesa, December typically has an average temperature of 3°C (37°F), with highs reaching up to 10°C (50°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec353537445261636357504337
Data source: Temperature data for Harloesa 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 Harloesa

In Harloesa in December, the total precipitation amount is 61 mm (2.4 in) over a span of 14 days.

December Precipitation Trends in Harloesa

The chart displays monthly precipitation patterns in Harloesa, 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 Harloesa, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec505867375954838771844561
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Harloesa

In Harloesa in December, humidity is 85%. With an average temperature of 3°C (37°F), this humidity feels like a chilling blanket enveloping you, making traveling uncomfortable as your clothes cling to your skin and the cold air bites at your face.

December Average Humidity in Harloesa

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

In Harloesa 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 Harloesa.

Maximum UV Index Levels in Harloesa for December

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

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

This table compares monthly weather conditions in Harloesa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)50 mm (2.0 inches)87%low
February Weather1°C (35°F)58 mm (2.3 inches)88%low
March Weather3°C (38°F)67 mm (2.6 inches)87%moderate
April Weather6°C (44°F)37 mm (1.4 inches)85%moderate
May Weather11°C (52°F)59 mm (2.3 inches)82%high
June Weather16°C (62°F)54 mm (2.1 inches)81%high
July Weather17°C (63°F)83 mm (3.3 inches)82%high
August Weather17°C (63°F)87 mm (3.4 inches)80%high
September Weather14°C (57°F)71 mm (2.8 inches)82%moderate
October Weather10°C (50°F)84 mm (3.3 inches)85%moderate
November Weather6°C (43°F)45 mm (1.8 inches)85%low
December Weather3°C (37°F)61 mm (2.4 inches)85%low

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