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December Weather in Tervola, Finland

Last updated: August 23, 2025

In December the average temperature in Tervola, Finland hovers around -6°C (21°F). Expect chilly extremes, with minimums plunging to -29°C (-20°F) and maximums reaching a brisk 4°C (40°F). During this month, 68 mm (2.7 in) of precipitation is spread over approximately 15 days, contributing to an average humidity level of a frosty 98%.

December Temperature in Tervola

In December in Tervola, the average temperature is -6°C (21°F). Maximum temperatures can reach 4°C (40°F), while minimum temperatures can drop as low as -29°C (-20°F). Travelers should be prepared for severe cold and dress warmly to enjoy their time outdoors.

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

The chart illustrates December temperature patterns in Tervola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tervola, December typically has an average temperature of -6°C (21°F), with highs reaching up to 4°C (40°F) and lows dropping to around -29°C (-20°F).
JanFebMarAprMayJunJulAugSepOctNovDec151524334557625748372821
Data source: Temperature data for Tervola 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 Tervola

In Tervola in December, the total precipitation amount is 68 mm (2.7 in) recorded over a span of 15 days.

December Precipitation Trends in Tervola

The chart displays monthly precipitation patterns in Tervola, 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 Tervola, December typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec504650395267699473867068
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tervola

In Tervola in December humidity is 98%. With an average temperature of -6°C (21°F), this humidity feels like an oppressive chill that creeps into your bones, making every step outdoors feel laborious and your breath visible in the frosty air, turning even short travels into a test of endurance.

December Average Humidity in Tervola

This chart illustrates the average monthly humidity levels in Tervola, 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 Tervola is approximately 98%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%93%86%80%76%79%83%89%94%94%98%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tervola

In Tervola 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 Tervola.

Maximum UV Index Levels in Tervola for December

The chart shows the monthly maximum UV Index (UVI) for Tervola 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 Tervola typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112346643111
Data source: Tervola 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 Tervola Compares to Other Months

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

This table compares monthly weather conditions in Tervola, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (15°F)49 mm (1.9 inches)99%low
February Weather-9°C (15°F)46 mm (1.8 inches)97%low
March Weather-5°C (24°F)50 mm (2.0 inches)93%low
April Weather1°C (34°F)39 mm (1.5 inches)86%moderate
May Weather7°C (45°F)52 mm (2.0 inches)80%moderate
June Weather14°C (57°F)67 mm (2.6 inches)76%high
July Weather17°C (62°F)68 mm (2.7 inches)79%high
August Weather14°C (57°F)94 mm (3.7 inches)83%moderate
September Weather9°C (48°F)73 mm (2.9 inches)89%moderate
October Weather3°C (37°F)86 mm (3.4 inches)94%low
November Weather-2°C (28°F)69 mm (2.7 inches)94%low
December Weather-6°C (21°F)68 mm (2.7 inches)98%low

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