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December Weather in Uukuniemi, Finland

Last updated: August 23, 2025

In December, the average temperature in Uukuniemi, Finland hovers around -4°C (26°F), creating a chilly atmosphere. Temperatures can dip as low as -23°C (-9°F) or reach a maximum of 5°C (41°F), presenting a wide range for winter enthusiasts. Expect 77 mm (3.0 in) of precipitation spread over 16 days, contributing to a notably high average humidity of 95%.

December Temperature in Uukuniemi

In December in Uukuniemi, the average temperature is -4°C (26°F), with maximums reaching 5°C (41°F) and minimums dropping as low as -23°C (-9°F). Travelers should be prepared for very cold conditions and pack accordingly.

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

The chart illustrates December temperature patterns in Uukuniemi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uukuniemi, December typically has an average temperature of -4°C (26°F), with highs reaching up to 5°C (41°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec222127374860636051423426
Data source: Temperature data for Uukuniemi 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 Uukuniemi

In Uukuniemi in December, the precipitation amount is 77 mm (3.0 in) during 16 days, indicating a moderately wet climate for that period.

December Precipitation Trends in Uukuniemi

The chart displays monthly precipitation patterns in Uukuniemi, 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 Uukuniemi, December typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec4951495055598310377755377
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Uukuniemi

In Uukuniemi in December humidity is 95%. With average temperature -4°C (26°F), this humidity feels like a chilling fog that wraps around you, making even the simplest outdoor activities feel arduous and uncomfortable for traveling.

December Average Humidity in Uukuniemi

This chart illustrates the average monthly humidity levels in Uukuniemi, 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 Uukuniemi is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%93%88%77%76%82%84%90%93%93%95%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Uukuniemi

In Uukuniemi 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 Uukuniemi.

Maximum UV Index Levels in Uukuniemi for December

The chart shows the monthly maximum UV Index (UVI) for Uukuniemi 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 Uukuniemi typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456753211
Data source: Uukuniemi 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 Uukuniemi Compares to Other Months

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

This table compares monthly weather conditions in Uukuniemi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)49 mm (1.9 inches)98%low
February Weather-6°C (21°F)51 mm (2.0 inches)96%low
March Weather-3°C (28°F)49 mm (1.9 inches)93%moderate
April Weather3°C (37°F)50 mm (2.0 inches)88%moderate
May Weather9°C (48°F)55 mm (2.2 inches)77%moderate
June Weather16°C (60°F)59 mm (2.3 inches)75%high
July Weather17°C (63°F)83 mm (3.3 inches)82%high
August Weather16°C (60°F)103 mm (4.0 inches)84%moderate
September Weather11°C (51°F)77 mm (3.0 inches)90%moderate
October Weather6°C (42°F)75 mm (3.0 inches)93%low
November Weather1°C (34°F)53 mm (2.1 inches)93%low
December Weather-4°C (26°F)77 mm (3.0 inches)95%low

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