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December Weather in Fossby, Norway

Last updated: August 27, 2025

In December, the average temperature in Fossby, Norway hovers around 0°C (33°F). Expect to experience a minimum of -10°C (14°F) and occasionally a maximum of 9°C (49°F). With 79 mm (3.1 in) of precipitation spread over 15 days, you might want to keep that umbrella handy. Additionally, the average humidity is quite high at 93%, making for a cool and damp atmosphere.

December Temperature in Fossby

In December in Fossby, the average temperature is 0°C (33°F). Maximums can reach 9°C (49°F) and minimums can be as low as -10°C (14°F). It's essential to pack warm clothing and prepare for chilly conditions if you plan to travel during this month.

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

The chart illustrates December temperature patterns in Fossby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fossby, December typically has an average temperature of 0°C (33°F), with highs reaching up to 9°C (49°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec323135425161636154463833
Data source: Temperature data for Fossby 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 Fossby

In Fossby in December, the precipitation amount is 79 mm (3.1 in) spread over 15 days.

December Precipitation Trends in Fossby

The chart displays monthly precipitation patterns in Fossby, 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 Fossby, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec495754307176879583977679
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fossby

In Fossby in December, humidity is 93%. With an average temperature of 0°C (33°F), this humidity feels like an incredibly damp chill that seeps into your bones, making outdoor travel uncomfortable and challenging, as it creates a heavy atmosphere that can dampen your spirits and energy.

December Average Humidity in Fossby

This chart illustrates the average monthly humidity levels in Fossby, 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 Fossby is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fossby

In Fossby 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 Fossby.

Maximum UV Index Levels in Fossby for December

The chart shows the monthly maximum UV Index (UVI) for Fossby 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 Fossby typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Fossby 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 Fossby Compares to Other Months

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

This table compares monthly weather conditions in Fossby, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)49 mm (1.9 inches)94%low
February Weather-1°C (31°F)57 mm (2.3 inches)92%low
March Weather2°C (35°F)54 mm (2.1 inches)89%moderate
April Weather6°C (42°F)30 mm (1.2 inches)82%moderate
May Weather11°C (51°F)71 mm (2.8 inches)73%moderate
June Weather16°C (61°F)76 mm (3.0 inches)71%high
July Weather17°C (64°F)87 mm (3.4 inches)72%high
August Weather16°C (61°F)95 mm (3.8 inches)77%moderate
September Weather12°C (54°F)83 mm (3.3 inches)86%moderate
October Weather8°C (47°F)96 mm (3.8 inches)92%low
November Weather4°C (39°F)76 mm (3.0 inches)93%low
December Weather0°C (33°F)79 mm (3.1 inches)93%low

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