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December Weather in Kortesjaervi, Finland

Last updated: August 23, 2025

In December, the average temperature in Kortesjaervi, Finland hovers around -3°C (27°F). While you might experience lows of -23°C (-10°F), highs can reach up to 5°C (42°F). Expect 47 mm (1.8 in) of precipitation spread over 13 days, with an impressive average humidity of 95%. Bundle up and stay cozy!

December Temperature in Kortesjaervi

In December in Kortesjaervi, the average temperature is -3°C (27°F), with maximums reaching 5°C (42°F) and minimums plummeting to -23°C (-10°F). Travelers should be prepared for cold conditions and dress warmly when visiting during this month.

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

The chart illustrates December temperature patterns in Kortesjaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kortesjaervi, 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 (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec232128374859635950413327
Data source: Temperature data for Kortesjaervi 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 Kortesjaervi

In Kortesjaervi in December, the precipitation amount is 47 mm (1.8 in) over the course of 13 days.

December Precipitation Trends in Kortesjaervi

The chart displays monthly precipitation patterns in Kortesjaervi, 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 Kortesjaervi, December typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec374041446156638870865847
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kortesjaervi

In Kortesjaervi 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 Kortesjaervi

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

In Kortesjaervi 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 Kortesjaervi.

Maximum UV Index Levels in Kortesjaervi for December

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

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

This table compares monthly weather conditions in Kortesjaervi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)37 mm (1.5 inches)97%low
February Weather-6°C (22°F)40 mm (1.6 inches)95%low
March Weather-2°C (28°F)41 mm (1.6 inches)92%low
April Weather3°C (37°F)44 mm (1.7 inches)85%moderate
May Weather9°C (48°F)61 mm (2.4 inches)77%moderate
June Weather15°C (60°F)56 mm (2.2 inches)74%high
July Weather17°C (63°F)63 mm (2.5 inches)79%high
August Weather15°C (59°F)88 mm (3.5 inches)82%moderate
September Weather10°C (50°F)70 mm (2.7 inches)89%moderate
October Weather5°C (41°F)86 mm (3.4 inches)93%low
November Weather1°C (34°F)58 mm (2.3 inches)93%low
December Weather-3°C (27°F)47 mm (1.8 inches)95%low

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