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December Weather in Pomarkku, Finland

Last updated: August 23, 2025

In December, the average temperature in Pomarkku, Finland hovers around -1°C (30°F). Expect chilly days, with minimum temperatures plunging to -21°C (-5°F), while highs can reach 6°C (43°F). You'll also notice plenty of moisture in the air, with an average humidity of 89% and 66 mm (2.6 in) of precipitation spread over 14 days. Bundle up and stay cozy!

December Temperature in Pomarkku

In December in Pomarkku, the average temperature is -1°C (30°F). The maximum can reach 6°C (43°F), while the minimum can be as low as -21°C (-5°F). Travelers should be prepared for chilly conditions and dress in layers to fully enjoy the winter scenery.

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

The chart illustrates December temperature patterns in Pomarkku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pomarkku, December typically has an average temperature of -1°C (30°F), with highs reaching up to 6°C (43°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec272430394960636052433630
Data source: Temperature data for Pomarkku 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 Pomarkku

In Pomarkku in December, the precipitation amount is 66 mm (2.6 in) spread over a duration of 14 days.

December Precipitation Trends in Pomarkku

The chart displays monthly precipitation patterns in Pomarkku, 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 Pomarkku, December typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4243454443588110675816467
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pomarkku

In Pomarkku in December humidity is 89%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that wraps around you, making outdoor travel uncomfortable and brisk, as the cold air sharpens the dampness, leaving you feeling colder than the thermometer suggests.

December Average Humidity in Pomarkku

This chart illustrates the average monthly humidity levels in Pomarkku, 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 Pomarkku is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%89%85%77%78%78%79%86%90%91%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pomarkku

In Pomarkku 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 Pomarkku.

Maximum UV Index Levels in Pomarkku for December

The chart shows the monthly maximum UV Index (UVI) for Pomarkku 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 Pomarkku typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Pomarkku 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 Pomarkku Compares to Other Months

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

This table compares monthly weather conditions in Pomarkku, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)42 mm (1.6 inches)92%low
February Weather-4°C (25°F)43 mm (1.7 inches)90%low
March Weather-1°C (30°F)45 mm (1.8 inches)89%moderate
April Weather4°C (39°F)44 mm (1.7 inches)85%moderate
May Weather10°C (49°F)43 mm (1.7 inches)77%moderate
June Weather16°C (61°F)58 mm (2.3 inches)78%high
July Weather17°C (64°F)81 mm (3.2 inches)78%high
August Weather16°C (61°F)106 mm (4.2 inches)79%moderate
September Weather11°C (52°F)75 mm (3.0 inches)86%moderate
October Weather6°C (43°F)80 mm (3.2 inches)90%low
November Weather2°C (37°F)64 mm (2.5 inches)91%low
December Weather-1°C (30°F)66 mm (2.6 inches)89%low

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