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December Weather in Gratangen, Norway

Last updated: August 27, 2025

In December, the average temperature in Gratangen, Norway hovers around -5°C (23°F). Expect a chilly range where the minimum can drop to a frigid -24°C (-11°F), while the highs may reach up to 6°C (44°F). Additionally, you'll encounter 112 mm (4.4 in) of precipitation spread over about 15 days, contributing to an average humidity of 94%. Stay warm and ready for wet conditions!

December Temperature in Gratangen

In December in Gratangen, the average temperature is -5°C (23°F), with maximums reaching up to 6°C (44°F) and minimums plummeting to as low as -24°C (-11°F). Travelers should be prepared for cold weather and pack accordingly.

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

The chart illustrates December temperature patterns in Gratangen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gratangen, December typically has an average temperature of -5°C (23°F), with highs reaching up to 6°C (44°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec222025303646545245352823
Data source: Temperature data for Gratangen 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 Gratangen

In Gratangen in December, the precipitation amount is 112 mm (4.4 in) spread over a period of 15 days.

December Precipitation Trends in Gratangen

The chart displays monthly precipitation patterns in Gratangen, 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 Gratangen, December typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec11913116412198147126149152118123112
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Gratangen

In Gratangen in December, humidity is 94%. With an average temperature of -5°C (23°F), this humidity feels like a chilling dampness that seeps into your bones, making travel uncomfortable and requiring extra layers to combat the biting cold.

December Average Humidity in Gratangen

This chart illustrates the average monthly humidity levels in Gratangen, 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 Gratangen is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%89%83%84%85%88%92%92%92%94%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Gratangen

In Gratangen 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 Gratangen.

Maximum UV Index Levels in Gratangen for December

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

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

This table compares monthly weather conditions in Gratangen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)119 mm (4.7 inches)95%low
February Weather-6°C (21°F)131 mm (5.2 inches)93%low
March Weather-4°C (25°F)164 mm (6.4 inches)91%low
April Weather-1°C (31°F)121 mm (4.7 inches)89%moderate
May Weather2°C (37°F)98 mm (3.9 inches)83%moderate
June Weather8°C (47°F)147 mm (5.8 inches)84%moderate
July Weather12°C (54°F)126 mm (5.0 inches)85%moderate
August Weather11°C (52°F)149 mm (5.9 inches)88%moderate
September Weather7°C (45°F)151 mm (6.0 inches)91%moderate
October Weather2°C (35°F)118 mm (4.7 inches)92%low
November Weather-2°C (29°F)123 mm (4.9 inches)92%low
December Weather-5°C (23°F)112 mm (4.4 inches)94%low

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