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December Weather in Smedsby, Finland

Last updated: August 23, 2025

In December, the average temperature in Smedsby, Finland hovers around -2°C (28°F), with lows plunging to a frigid -26°C (-14°F) and highs reaching a mild 6°C (43°F). This month sees approximately 50 mm (2.0 in) of precipitation spread over 13 days, contributing to an average humidity of a crisp 93%. Stay warm and prepared for swift weather changes!

December Temperature in Smedsby

In December in Smedsby, the average temperature is -2°C (28°F). The maximum can reach 6°C (43°F) and the minimum can be as low as -26°C (-14°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their time in Smedsby.

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

The chart illustrates December temperature patterns in Smedsby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smedsby, December typically has an average temperature of -2°C (28°F), with highs reaching up to 6°C (43°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec252329374859635951423528
Data source: Temperature data for Smedsby 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 Smedsby

In Smedsby in December, the precipitation amount is 50 mm (2.0 in), spread over 13 days.

December Precipitation Trends in Smedsby

The chart displays monthly precipitation patterns in Smedsby, 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 Smedsby, December typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec384141414558638874825750
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Smedsby

In Smedsby in December, the humidity is 93%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making traveling feel uncomfortable and heavy as you contend with the dampness in the air, creating a stark contrast to the freezing temperatures.

December Average Humidity in Smedsby

This chart illustrates the average monthly humidity levels in Smedsby, 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 Smedsby is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%85%77%75%80%82%88%92%92%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Smedsby

In Smedsby 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 Smedsby.

Maximum UV Index Levels in Smedsby for December

The chart shows the monthly maximum UV Index (UVI) for Smedsby 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 Smedsby typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113356653211
Data source: Smedsby 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 Smedsby Compares to Other Months

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

This table compares monthly weather conditions in Smedsby, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)38 mm (1.5 inches)95%low
February Weather-5°C (23°F)41 mm (1.6 inches)93%low
March Weather-2°C (29°F)41 mm (1.6 inches)91%moderate
April Weather3°C (38°F)41 mm (1.6 inches)85%moderate
May Weather9°C (48°F)45 mm (1.8 inches)77%moderate
June Weather15°C (59°F)58 mm (2.3 inches)74%high
July Weather17°C (63°F)63 mm (2.5 inches)80%high
August Weather15°C (60°F)88 mm (3.5 inches)82%moderate
September Weather11°C (51°F)74 mm (2.9 inches)88%moderate
October Weather6°C (42°F)82 mm (3.2 inches)92%low
November Weather1°C (35°F)57 mm (2.2 inches)92%low
December Weather-2°C (28°F)50 mm (2.0 inches)93%low

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