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December Weather in Mattsund, Sweden

Last updated: August 27, 2025

In Mattsund, Sweden, the average temperature in December hovers around -4°C (25°F). However, brace yourself for extremes, as temperatures can dip as low as -19°C (-2°F) and reach a maximum of 5°C (41°F). Expect 72 mm (2.8 in) of precipitation spread over 16 days, contributing to an average humidity of a staggering 96%.

December Temperature in Mattsund

In December in Mattsund, the average temperature is -4°C (25°F), with maximums reaching 5°C (41°F) and minimums dropping as low as -19°C (-2°F). Travelers should be prepared for chilly conditions and pack accordingly.

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

The chart illustrates December temperature patterns in Mattsund, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mattsund, December typically has an average temperature of -4°C (25°F), with highs reaching up to 5°C (41°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec201826334356625950403125
Data source: Temperature data for Mattsund 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 Mattsund

In Mattsund in December, the precipitation amount is 72 mm (2.8 in) over the course of 16 days.

December Precipitation Trends in Mattsund

The chart displays monthly precipitation patterns in Mattsund, 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 Mattsund, December typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec534042284455687768975972
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mattsund

In Mattsund in December humidity is 96%. With an average temperature of -4°C (25°F), this humidity feels like a thick, biting chill that penetrates your clothing, making travel uncomfortable and disorienting as you navigate the brisk air and dampness.

December Average Humidity in Mattsund

This chart illustrates the average monthly humidity levels in Mattsund, 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 Mattsund is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%90%84%82%78%82%84%88%92%93%96%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mattsund

In Mattsund 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 Mattsund.

Maximum UV Index Levels in Mattsund for December

The chart shows the monthly maximum UV Index (UVI) for Mattsund 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 Mattsund typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112446543211
Data source: Mattsund 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 Mattsund Compares to Other Months

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

This table compares monthly weather conditions in Mattsund, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)53 mm (2.1 inches)97%low
February Weather-8°C (19°F)40 mm (1.6 inches)95%low
March Weather-4°C (26°F)42 mm (1.7 inches)90%low
April Weather1°C (33°F)28 mm (1.1 inches)84%moderate
May Weather6°C (43°F)44 mm (1.7 inches)81%moderate
June Weather13°C (56°F)55 mm (2.1 inches)78%high
July Weather17°C (62°F)68 mm (2.7 inches)82%moderate
August Weather15°C (59°F)77 mm (3.0 inches)84%moderate
September Weather10°C (51°F)68 mm (2.7 inches)88%moderate
October Weather4°C (40°F)96 mm (3.8 inches)92%low
November Weather-1°C (31°F)59 mm (2.3 inches)93%low
December Weather-4°C (25°F)72 mm (2.8 inches)96%low

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