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December Weather in Ulefoss, Norway

Last updated: August 27, 2025

In Ulefoss, Norway, the average temperature in December hovers around -1°C (30°F), with the mercury dipping as low as -11°C (12°F) and rising to a maximum of 10°C (50°F). Expect 140 mm (5.5 in) of precipitation spread across 16 days, coupled with a significant average humidity of 92%. Prepare accordingly for chilly and damp conditions!

December Temperature in Ulefoss

In December in Ulefoss, the average temperature is -1°C (30°F). The maximum can reach 10°C (50°F), while the minimum can drop to as low as -11°C (12°F). Be prepared for chilly weather and pack accordingly if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Ulefoss, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulefoss, December typically has an average temperature of -1°C (30°F), with highs reaching up to 10°C (50°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec282933415060625953453730
Data source: Temperature data for Ulefoss 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 Ulefoss

In Ulefoss in December, the total precipitation amount is 140 mm (5.5 in) spread over 16 days.

December Precipitation Trends in Ulefoss

The chart displays monthly precipitation patterns in Ulefoss, 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 Ulefoss, December typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec76808241879710796130141121140
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ulefoss

In Ulefoss in December humidity is 92%. With an average temperature of -1°C (30°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities challenging and requiring extra layers to stay warm and dry while traveling.

December Average Humidity in Ulefoss

This chart illustrates the average monthly humidity levels in Ulefoss, 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 Ulefoss is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ulefoss

In Ulefoss 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 Ulefoss.

Maximum UV Index Levels in Ulefoss for December

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

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

This table compares monthly weather conditions in Ulefoss, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)76 mm (3.0 inches)93%low
February Weather-2°C (29°F)80 mm (3.1 inches)91%low
March Weather1°C (33°F)82 mm (3.2 inches)88%moderate
April Weather5°C (41°F)41 mm (1.6 inches)83%moderate
May Weather10°C (51°F)87 mm (3.4 inches)75%moderate
June Weather15°C (60°F)97 mm (3.8 inches)74%high
July Weather17°C (63°F)107 mm (4.2 inches)74%high
August Weather15°C (60°F)96 mm (3.8 inches)78%moderate
September Weather12°C (54°F)130 mm (5.1 inches)86%moderate
October Weather7°C (45°F)141 mm (5.5 inches)92%low
November Weather3°C (37°F)121 mm (4.8 inches)92%low
December Weather-1°C (30°F)140 mm (5.5 inches)92%low

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