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December Weather in Trofors, Norway

Last updated: August 27, 2025

In December, the average temperature in Trofors, Norway hovers around -6°C (22°F). Expect chilly conditions, with minimum temperatures plunging to -23°C (-9°F) and occasional highs reaching 4°C (40°F). Rain or snow is likely, as the area receives 141 mm (5.5 in) of precipitation spread over 18 days. With an average humidity of 96%, be prepared for a truly frosty atmosphere!

December Temperature in Trofors

In December in Trofors, the average temperature is -6°C (22°F). Maximum can reach 4°C (40°F), and minimum can be as low as -23°C (-9°F). Be sure to bundle up and prepare for chilly weather if you're planning a visit during this time.

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

The chart illustrates December temperature patterns in Trofors, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trofors, December typically has an average temperature of -6°C (22°F), with highs reaching up to 4°C (40°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec201924304050555244352722
Data source: Temperature data for Trofors 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 Trofors

In Trofors in December, the total precipitation amount is 141 mm (5.5 in) over the course of 18 days.

December Precipitation Trends in Trofors

The chart displays monthly precipitation patterns in Trofors, 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 Trofors, December typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec20213522113887129117157182148150141
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Trofors

In Trofors in December, humidity is 96%. With an average temperature of -6°C (22°F), this humidity feels like a freezing mist that clings to your skin, making traveling uncomfortable as you brace against the chill while the damp air seeps into your clothes.

December Average Humidity in Trofors

This chart illustrates the average monthly humidity levels in Trofors, 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 Trofors is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%88%82%79%83%89%91%94%95%96%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Trofors

In Trofors 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 Trofors.

Maximum UV Index Levels in Trofors for December

The chart shows the monthly maximum UV Index (UVI) for Trofors 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 Trofors typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456643211
Data source: Trofors 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 Trofors Compares to Other Months

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

This table compares monthly weather conditions in Trofors, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)202 mm (8.0 inches)97%low
February Weather-7°C (19°F)135 mm (5.3 inches)94%low
March Weather-5°C (24°F)221 mm (8.7 inches)92%moderate
April Weather-1°C (31°F)138 mm (5.4 inches)88%moderate
May Weather4°C (40°F)87 mm (3.4 inches)82%moderate
June Weather10°C (51°F)129 mm (5.1 inches)79%high
July Weather13°C (55°F)117 mm (4.6 inches)83%high
August Weather11°C (52°F)157 mm (6.2 inches)89%moderate
September Weather7°C (45°F)182 mm (7.2 inches)91%moderate
October Weather2°C (36°F)148 mm (5.8 inches)94%low
November Weather-3°C (28°F)150 mm (5.9 inches)95%low
December Weather-6°C (22°F)141 mm (5.5 inches)96%low

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