December Weather in Valderoy, Norway

Last updated: August 27, 2025

In Valderoy, Norway, the average temperature in December is a brisk 3°C (37°F). Expect chilly nights with minimums plunging to -7°C (20°F), while daytime highs can reach 9°C (49°F). This month brings along a significant precipitation amount of 210 mm (8.2 in) over approximately 21 days, creating a notably damp atmosphere with an average humidity of 84%.

December Temperature in Valderoy

In December in Valderoy, the average temperature is 3°C (37°F). Maximums can reach 9°C (49°F) and minimums can be as low as -7°C (20°F). Travelers should be prepared for chilly conditions and pack accordingly, especially for potential cold spells.

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

The chart illustrates December temperature patterns in Valderoy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valderoy, December typically has an average temperature of 3°C (37°F), with highs reaching up to 9°C (49°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec363537404653565653474137
Data source: Temperature data for Valderoy 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 Valderoy

In Valderoy in December, the total precipitation amount is 210 mm (8.2 in) over the course of 21 days.

December Precipitation Trends in Valderoy

The chart displays monthly precipitation patterns in Valderoy, 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 Valderoy, December typically receives around 210 mm (8.2 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec192147170158104108123172309313215210
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Valderoy

In Valderoy in December humidity is 84%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions brisk and invigorating, yet requiring extra layers to stay comfortable.

December Average Humidity in Valderoy

This chart illustrates the average monthly humidity levels in Valderoy, 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 Valderoy is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%84%84%84%83%86%87%87%87%87%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Valderoy

In Valderoy 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 Valderoy.

Maximum UV Index Levels in Valderoy for December

The chart shows the monthly maximum UV Index (UVI) for Valderoy 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 Valderoy typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456654211
Data source: Valderoy 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 Valderoy Compares to Other Months

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

This table compares monthly weather conditions in Valderoy, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)191 mm (7.5 inches)85%low
February Weather2°C (35°F)147 mm (5.8 inches)84%low
March Weather3°C (37°F)170 mm (6.7 inches)84%moderate
April Weather5°C (40°F)158 mm (6.2 inches)84%moderate
May Weather8°C (46°F)104 mm (4.1 inches)84%moderate
June Weather12°C (53°F)108 mm (4.3 inches)83%high
July Weather13°C (56°F)123 mm (4.8 inches)86%high
August Weather14°C (57°F)172 mm (6.8 inches)87%moderate
September Weather12°C (53°F)309 mm (12.2 inches)87%moderate
October Weather8°C (47°F)313 mm (12.3 inches)87%low
November Weather5°C (41°F)214 mm (8.4 inches)87%low
December Weather3°C (37°F)210 mm (8.2 inches)84%low

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