nomadseason

December Weather in Muonio, Finland

Last updated: August 23, 2025

In December, the average temperature in Muonio, Finland hovers around -9°C (16°F), with minimums dipping as low as -25°C (-13°F) and maximums peaking at 2°C (37°F). Expect about 52 mm (2.0 in) of precipitation over 14 days, accompanied by an impressively high average humidity of 101%. Embrace the chill and prepare for an enchanting winter experience!

December Temperature in Muonio

In December in Muonio, the average temperature is -9°C (16°F), with maximums reaching up to 2°C (37°F) and minimums plummeting as low as -25°C (-13°F). Travelers should prepare for frigid conditions and pack accordingly to stay warm during their visit.

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

The chart illustrates December temperature patterns in Muonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muonio, December typically has an average temperature of -9°C (16°F), with highs reaching up to 2°C (37°F) and lows dropping to around -25°C (-13°F).
JanFebMarAprMayJunJulAugSepOctNovDec121120303952595344312216
Data source: Temperature data for Muonio generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Muonio

In Muonio in December, the precipitation amount is 52 mm (2.0 in) spread over 14 days.

December Precipitation Trends in Muonio

The chart displays monthly precipitation patterns in Muonio, 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 Muonio, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec3433333455679110164825152
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Muonio

In Muonio in December, humidity is 101%. With an average temperature of -9°C (16°F), this humidity feels like a cold damp blanket wrapping around you, making it uncomfortable for traveling and causing breath to mist in the frigid air.

December Average Humidity in Muonio

This chart illustrates the average monthly humidity levels in Muonio, 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 Muonio is approximately 101%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec101%99%92%87%82%78%83%87%91%96%98%101%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Muonio

In Muonio in December, the maximum UV index is 0, which corresponds to a low Exposure Category. The time to burn is approximately 45 minutes. For detailed information, you can check the Hourly UV Index in Muonio.

Maximum UV Index Levels in Muonio for December

The chart shows the monthly maximum UV Index (UVI) for Muonio 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 Muonio typically reaches 0, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112345543110
Data source: Muonio 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 Muonio Compares to Other Months

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

This table compares monthly weather conditions in Muonio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)34 mm (1.3 inches)101%low
February Weather-11°C (12°F)33 mm (1.3 inches)99%low
March Weather-7°C (21°F)33 mm (1.3 inches)92%low
April Weather-1°C (30°F)34 mm (1.3 inches)86%moderate
May Weather4°C (39°F)55 mm (2.2 inches)82%moderate
June Weather11°C (52°F)67 mm (2.6 inches)78%moderate
July Weather15°C (59°F)91 mm (3.6 inches)83%moderate
August Weather12°C (54°F)100 mm (4.0 inches)87%moderate
September Weather7°C (44°F)64 mm (2.5 inches)91%moderate
October Weather0°C (32°F)81 mm (3.2 inches)96%low
November Weather-6°C (22°F)51 mm (2.0 inches)98%low
December Weather-9°C (16°F)52 mm (2.0 inches)101%low

Compare Muonio's Climate with Cities Worldwide