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December Weather in Merikarvia, Finland

Last updated: August 23, 2025

In December, the average temperature in Merikarvia, Finland hovers around 0°C (33°F), with a minimum dipping to -17°C (2°F) and a maximum reaching 6°C (44°F). Expect 79 mm (3.1 in) of precipitation over approximately 16 days, contributing to the average humidity level of 89%. Be prepared for a chilly and damp month!

December Temperature in Merikarvia

In December in Merikarvia, the average temperature is 0°C (33°F). The maximum can reach 6°C (44°F), and the minimum can be as low as -17°C (2°F). This chilly climate calls for warm clothing and preparation for frosty adventures while exploring the beauty of Merikarvia.

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

The chart illustrates December temperature patterns in Merikarvia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merikarvia, December typically has an average temperature of 0°C (33°F), with highs reaching up to 6°C (44°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec292731384758636154453932
Data source: Temperature data for Merikarvia 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 Merikarvia

In Merikarvia in December, the precipitation amount is 79 mm (3.1 in) over a period of 16 days.

December Precipitation Trends in Merikarvia

The chart displays monthly precipitation patterns in Merikarvia, 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 Merikarvia, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec4547464137497293861017779
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Merikarvia

In Merikarvia in December humidity is 89%. With an average temperature of 0°C (33°F), this humidity feels like a heavy, damp blanket that clings to your skin, making travel uncomfortable and every breath seem colder and more constricted.

December Average Humidity in Merikarvia

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

In Merikarvia 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 Merikarvia.

Maximum UV Index Levels in Merikarvia for December

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

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

This table compares monthly weather conditions in Merikarvia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)45 mm (1.8 inches)92%low
February Weather-3°C (27°F)47 mm (1.8 inches)90%low
March Weather-1°C (31°F)46 mm (1.8 inches)89%moderate
April Weather3°C (38°F)41 mm (1.6 inches)85%moderate
May Weather8°C (47°F)37 mm (1.5 inches)77%moderate
June Weather14°C (58°F)49 mm (1.9 inches)78%high
July Weather17°C (63°F)72 mm (2.8 inches)78%high
August Weather16°C (62°F)93 mm (3.6 inches)79%moderate
September Weather12°C (54°F)86 mm (3.4 inches)86%moderate
October Weather7°C (45°F)101 mm (4.0 inches)90%low
November Weather4°C (39°F)77 mm (3.0 inches)91%low
December Weather0°C (33°F)79 mm (3.1 inches)89%low

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