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December Weather in Kokkola, Finland

Last updated: August 23, 2025

In December, the average temperature in Kokkola, Finland is a chilly -3°C (27°F). Be prepared for some extremes, as the temperature can dip to a frigid -23°C (-9°F) or rise to a maximum of 5°C (42°F). Expect around 48 mm (1.9 in) of precipitation over 12 days, with humidity levels averaging an impressive 95%. Bundle up and stay dry!

December Temperature in Kokkola

In December in Kokkola, the average temperature is -3°C (27°F), with maximums reaching 5°C (42°F) and minimums dropping as low as -23°C (-9°F). Travelers should prepare for cold weather and dress in layers to stay warm while enjoying the winter scenery.

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

The chart illustrates December temperature patterns in Kokkola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kokkola, December typically has an average temperature of -3°C (27°F), with highs reaching up to 5°C (42°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec242128374758635950413427
Data source: Temperature data for Kokkola 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 Kokkola

In Kokkola in December, the precipitation amount is 48 mm (1.9 in) over a span of 12 days.

December Precipitation Trends in Kokkola

The chart displays monthly precipitation patterns in Kokkola, 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 Kokkola, December typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec374040395354729576835648
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kokkola

In Kokkola in December, humidity is 95%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that penetrates your clothes, making every breath feel heavy and damp, which can be quite uncomfortable for traveling.

December Average Humidity in Kokkola

This chart illustrates the average monthly humidity levels in Kokkola, 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 Kokkola is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%85%77%74%79%82%89%93%93%95%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kokkola

In Kokkola 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 Kokkola.

Maximum UV Index Levels in Kokkola for December

The chart shows the monthly maximum UV Index (UVI) for Kokkola 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 Kokkola typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456653211
Data source: Kokkola 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 Kokkola Compares to Other Months

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

This table compares monthly weather conditions in Kokkola, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)37 mm (1.4 inches)97%low
February Weather-6°C (22°F)40 mm (1.6 inches)95%low
March Weather-2°C (28°F)40 mm (1.6 inches)92%low
April Weather3°C (37°F)39 mm (1.5 inches)85%moderate
May Weather8°C (47°F)53 mm (2.1 inches)77%moderate
June Weather15°C (59°F)54 mm (2.1 inches)74%high
July Weather17°C (63°F)72 mm (2.8 inches)79%high
August Weather15°C (59°F)95 mm (3.7 inches)82%moderate
September Weather10°C (51°F)76 mm (3.0 inches)89%moderate
October Weather5°C (41°F)83 mm (3.3 inches)93%low
November Weather1°C (34°F)56 mm (2.2 inches)93%low
December Weather-3°C (27°F)48 mm (1.9 inches)95%low

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