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December Weather in Roknaes, Sweden

Last updated: August 27, 2025

In December, the average temperature in Roknaes, Sweden hovers around -5°C (23°F). Be prepared for some chilly days, as temperatures can dip as low as -23°C (-9°F) and may reach a maximum of 6°C (43°F). With 72 mm (2.8 in) of precipitation spread over 15 days, you might encounter frequent showers. Additionally, the air remains quite damp, boasting an average humidity of 96%.

December Temperature in Roknaes

In December in Roknaes, the average temperature is -5°C (23°F), with highs reaching up to 6°C (43°F) and lows dropping as low as -23°C (-9°F). Travelers should be prepared for cold and potentially severe winter weather conditions.

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

The chart illustrates December temperature patterns in Roknaes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roknaes, December typically has an average temperature of -5°C (23°F), with highs reaching up to 6°C (43°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec191827354658625849382823
Data source: Temperature data for Roknaes 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 Roknaes

In Roknaes in December, the total precipitation amount is 72 mm (2.8 in) over the course of 15 days.

December Precipitation Trends in Roknaes

The chart displays monthly precipitation patterns in Roknaes, 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 Roknaes, December typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec564143304954808767895272
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Roknaes

In Roknaes in December humidity is 96%. With an average temperature of -5°C (23°F), this humidity feels like an icy fog that clings to your skin, making it challenging to stay warm and comfortable while traveling.

December Average Humidity in Roknaes

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

In Roknaes 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 Roknaes.

Maximum UV Index Levels in Roknaes for December

The chart shows the monthly maximum UV Index (UVI) for Roknaes 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 Roknaes typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112446643211
Data source: Roknaes 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 Roknaes Compares to Other Months

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

This table compares monthly weather conditions in Roknaes, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)56 mm (2.2 inches)97%low
February Weather-8°C (18°F)41 mm (1.6 inches)95%low
March Weather-3°C (27°F)43 mm (1.7 inches)90%low
April Weather2°C (35°F)30 mm (1.2 inches)84%moderate
May Weather8°C (46°F)49 mm (1.9 inches)81%moderate
June Weather14°C (58°F)54 mm (2.1 inches)78%high
July Weather17°C (62°F)80 mm (3.1 inches)82%high
August Weather14°C (58°F)87 mm (3.4 inches)84%moderate
September Weather9°C (49°F)67 mm (2.7 inches)88%moderate
October Weather3°C (38°F)89 mm (3.5 inches)92%low
November Weather-2°C (29°F)52 mm (2.0 inches)93%low
December Weather-5°C (23°F)72 mm (2.8 inches)96%low

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