December Weather in Vestby, Norway

Last updated: August 27, 2025

In Vestby, Norway, December brings a dramatic range of temperatures, with a maximum of 9°C (49°F) and a striking minimum plunging to -11°C (12°F). The month averages around 0°C (33°F), creating a chilly atmosphere ideal for winter enthusiasts. Rain and snow are frequent, with 94 mm (3.7 in) of precipitation spread over 15 days, contributing to the region's 93% humidity. This combination of cool temperatures and steady precipitation highlights December as a unique and vibrant month in Vestby's winter landscape.

December Temperature in Vestby

In December, Vestby, Norway, experiences a striking transition into the heart of winter, with temperatures that dwell in the chilly realm of -11°C (12°F) as a minimum and a modest peak of 9°C (49°F). The average temperature hovers around 0°C (33°F), reflecting the cold grip of the season while hinting at the warmer yet fleeting moments of the day. This month stands out with its persistent chill, following November's chilly depths and paving the way for January's even harsher frost. As daylight fades early and snow starts to blanket the landscape, December in Vestby becomes a picturesque embodiment of winter, inviting cozy gatherings and festive cheer amidst the serene, glistening scenery.

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

The chart illustrates December temperature patterns in Vestby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vestby, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec323136445363666256473932
Data source: Temperature data for Vestby generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Vestby

In December, Vestby, Norway, experiences a notable transition as precipitation levels remain steady, mirroring November's 94 mm (3.7 in). This consistency is further emphasized by an increase in rainy days, with 15 days of precipitation marking it as one of the wetter months of the year. This uptick is part of a broader trend, as winter encroaches, contributing to a gradual rise in precipitation from the drier spring months, with April’s low of 32 mm (1.3 in) making way for the persistent wetness that characterizes the late autumn and winter seasons. As the year draws to a close, Vestby is cloaked in a compelling blend of damp air and cool temperatures, setting the stage for a quintessential Scandinavian winter.

December Precipitation Trends in Vestby

The chart displays monthly precipitation patterns in Vestby, 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 Vestby, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5663623272768476991149494
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Vestby

In Vestby, Norway, December brings a consistent humidity level of 93%, closely aligning with the preceding months of November and October. This trend highlights a winter pattern where humidity remains elevated, creating a damp atmosphere as temperatures drop. The transition from the milder conditions of late autumn, with humidity levels around 92% to 93%, sets the stage for a cold and crisp December. Interestingly, while summer months like June and July enjoy relatively lower humidity levels at around 71-72%, the winter months showcase a marked rise, emphasizing the region's characteristic chill paired with moisture-laden air. As the year draws to a close, the persistent humidity serves as a reminder of Norway's unique climate, where the cold complements the wet.

December Average Humidity in Vestby

This chart illustrates the average monthly humidity levels in Vestby, 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 Vestby is approximately {2}%, 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 Vestby

In December, Vestby, Norway, experiences a low UV Index of 1, similar to the earlier winter months of January and February. This consistently low exposure level means residents can enjoy the festive season without the concern for sunburn, as the burn time remains a generous 45 minutes. As the year progresses into spring and summer, the UV Index rises significantly, peaking at 7 in both June and July, emphasizing the need for increased skin protection during those sunnier months. The gradual shift from low to high UV levels illustrates the changing seasons and highlights the importance of staying informed on UV exposure throughout the year. For more details, check out the Vestby UV Index.

Maximum UV Index Levels in Vestby for December

The chart shows the monthly maximum UV Index (UVI) for Vestby 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 Vestby typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Vestby 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.

December Sunshine in Vestby

December in Vestby, Norway, wraps up the year with a cozy 98 hours of sunshine. While this figure is modest compared to the brilliant 473 hours in July, it reflects a gentle transition into the winter months. The sunshine hours start to slide from 421 in May to a notable low in November, with just 134 hours, before hitting December's peak of winter. Despite the shorter days, December’s light offers a tranquil beauty, reminiscent of the earlier months when sunshine flourished—particularly from March to June, where each month marks a steady climb toward the year's sunniest highs. As the days grow shorter, the lingering rays of December remind us that even in the heart of winter, there’s a hint of light to cherish.

Monthly Sunshine Duration in Vestby: December Highlighted

The December sunshine duration represents the total number of hours Vestby experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec91h179h289h373h421h455h473h404h283h225h134h98h
Data source: Vestby December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vestby During December

In Vestby, Norway, December brings a 30% chance of sunny weather, marking a slight improvement from the cloudy depths of late autumn, where November sees just a 23% chance for sun. While the winter months typically embrace darker days, December offers a glimmer of hope for brighter moments as daylight begins to stretch ever so slightly. This modest uptick in sunny prospects contrasts with the early months of the year; by January, the likelihood decreases to 34%, indicating that while the sun may not be as prevalent as in spring, those adventurous enough to embrace the chill might still find reprieves of sunshine amidst the winter chill.

Percentage of Sunny Days in December in Vestby

The chart illustrates the percentage of sunny days in Vestby throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Vestby experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%42%43%56%29%39%45%39%26%32%23%30%
Data source: Vestby December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vestby in December

In Vestby, Norway, the rhythm of daylight reveals a captivating cycle throughout the year. December, marked by just 6 hours of daylight, mirrors the early months of the year, as both January and December offer limited sunlight. The gradual shift begins in February with a modest increase to 9 hours, paving the way for longer days that peak in June with an impressive 18 hours. This vibrant light-filled month beautifully transitions into summer's warm embrace but soon gives way to gradual decline. As the days shorten, July holds onto 17 hours, and August gently slips to 15 hours, indicating the beginning of autumn. The twilight of the year sees September with 12 hours, signifying a slow retreat into the longer, darker months that dominate November and return to December. This annual dance of daylight not only shapes daily life in Vestby but also deepens the connection residents feel with the seasons as they embrace the cozy dark and the invigorating light in equal measure.

Average Daylight Hours in Vestby for December

The chart illustrates the variation in daylight duration in Vestby throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 57m9h 13m11h 52m14h 33m17h 3m18h 28m17h 42m15h 24m12h 46m10h 6m7h 37m6h 11m
Data source: Vestby daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Vestby

As December rolls into Vestby, Norway, the winds shift to a gentle sigh, with an average speed of 2.7 m/s (6 mph). This subtle decrease from the earlier months reflects a calmness that often accompanies the onset of winter. Throughout the year, the wind speeds have been relatively consistent, hovering around 3.1 m/s (7 mph) during the winter months of January through March, before peaking slightly in October at 3.9 m/s (9 mph). As the year winds down, the steady decline in wind intensity highlights a seasonal transition, inviting the serenity of winter while contrasting with the briskness felt in autumn. The overall trend suggests that as the landscape becomes blanketed in snow, the winds gradually take a back seat, creating a peaceful atmosphere ideal for cozy winter evenings.

Average December Wind Speed in Vestby

The chart displays monthly wind speed patterns in Vestby, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.13.13.32.82.82.62.92.83.93.12.7 m/s
Data source: Vestby December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Vestby Compares to Other Months

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

December and January present distinct but chilly weather patterns. In December, temperatures range from a minimum of -11°C (12°F) to a maximum of 9°C (49°F), with an average temperature hovering at 0°C (33°F). The month experiences a significant amount of precipitation, totaling 94 mm (3.7 in) across approximately 15 days, and humidity remains high at 93%.

In contrast, January sees colder conditions with temperatures dipping even lower, reaching a minimum of -18°C (0°F) and a maximum of 11°C (52°F), while maintaining a similar average of 0°C (32°F). Precipitation is reduced to 56 mm (2.2 in) over just 9 days, and humidity slightly increases to 94%. Thus, January tends to be drier—but colder—as compared to December. For more detailed weather information, visit Vestby weather in January.

December and February exhibit contrasting weather patterns despite similar average temperatures. In December, temperatures range from a chilly -11°C (12°F) to a milder 9°C (49°F), with an average of 0°C (33°F). The month sees significant precipitation, totaling 94 mm (3.7 in) over approximately 15 days, paired with high humidity at 93%. In contrast, February presents even colder temperatures, with minimums dropping to -19°C (-1°F) and maximums reaching 12°C (53°F), while maintaining an average of 0°C (32°F). Precipitation decreases to 63 mm (2.5 in) over about 10 days, accompanied by slightly lower humidity, at 92%. This shows that while February is generally colder, December experiences more precipitation, leading to a more damp and humid environment. For more on February weather specifics, check out Vestby weather in February.

In December, the weather typically boasts chilly temperatures, with a minimum of -11°C (12°F) and an average of around 0°C (33°F), peaking at a maximum of 9°C (49°F). This month experiences about 94 mm (3.7 in) of precipitation spread over 15 days, alongside high humidity levels of 93%. In contrast, March presents a slight warming trend, where temperatures can dip to -14°C (7°F) but average around 2°C (37°F) and reach a comfortable high of 18°C (65°F). Precipitation decreases to 62 mm (2.5 in) over just 9 days, and humidity is slightly lower at 89%. For a more detailed look at the weather specifics in March, you can refer to Vestby weather in March.

December and April present notably different weather conditions. In December, temperatures can drop as low as -11°C (12°F), with an average around 0°C (33°F) and highs reaching only 9°C (49°F). The month is characterized by significant precipitation, totaling 94 mm (3.7 in) over about 15 days, and a high humidity level of 93%. In contrast, April experiences milder temperatures, with minimums around -9°C (17°F) and an average of 7°C (45°F), peaking at a comfortable 24°C (75°F). Precipitation in April is considerably less, measuring only 32 mm (1.3 in) over just 5 days, and humidity drops to 82%. For more details on April's weather, you can visit Vestby weather in April.

In December, the weather is characterized by cold temperatures, with a minimum dipping down to -11°C (12°F) and an average around 0°C (33°F). The maximum temperature reaches only 9°C (49°F), contributing to a chilly atmosphere accompanied by frequent precipitation over 15 days, totaling 94 mm (3.7 in) and high humidity levels of 93%. In stark contrast, May brings a significant warmth, where temperatures range from a minimum of 0°C (32°F) to a maximum of 31°C (89°F), with an average temperature of 12°C (54°F). This month experiences less precipitation, totaling 72 mm (2.8 in) over 11 days and a drop in humidity to 73%. The shift between the winter chill of December and the pleasant spring warmth of May is quite striking. For more details on the weather during this time, you can check Vestby weather in May.

In December, the weather is characterized by frigid temperatures, with lows dropping to -11°C (12°F) and average temperatures hovering around 0°C (33°F). The month experiences significant precipitation, accumulating 94 mm (3.7 in) over 15 days, alongside a high humidity level of 93%, contributing to a chilly and damp atmosphere. In stark contrast, June brings a much warmer climate, with temperatures ranging from a minimum of 5°C (42°F) to a pleasant average of 17°C (63°F) and a maximum reaching 31°C (88°F). The month sees less precipitation at 76 mm (3.0 in) spread over 12 days and lower humidity at 71%, creating a more comfortable and enjoyable outdoor environment. For more detailed information on June weather, you can visit Vestby weather in June.

December and July present contrasting weather conditions. In December, temperatures can plummet as low as -11°C (12°F) with an average around 0°C (33°F) and a maximum of 9°C (49°F). The month is marked by significant humidity at 93% and around 94 mm (3.7 in) of precipitation over 15 days. In stark contrast, July boasts much milder temperatures, with minimums of 8°C (47°F), an average of 19°C (66°F), and maximums soaring to 34°C (93°F). It experiences less rainfall, with 84 mm (3.3 in) over just 10 days, while humidity levels drop to a comfortable 72%. For more detailed information, check out Vestby weather in July.

December and August present stark contrasts in weather conditions. December is characterized by much colder temperatures, with averages hovering around 0°C (33°F) and a chilling minimum of -11°C (12°F). This month also sees high humidity levels at 93% and frequent precipitation, averaging 94 mm (3.7 in) over 15 days. In contrast, August offers milder warmth, with average temperatures reaching 17°C (63°F) and maximums soaring to 29°C (84°F). Although it experiences some precipitation—76 mm (3.0 in) over 12 days—humidity is notably lower at 77%. For a detailed overview of weather patterns during this vibrant summer month, check out Vestby weather in August.

December and September present distinctly different weather patterns. In December, temperatures can drop to a minimum of -11°C (12°F), with an average of around 0°C (33°F) and a maximum of only 9°C (49°F). The month is marked by high humidity at 93% and substantial precipitation, with rain or snow occurring on about 15 days, totaling 94 mm (3.7 in).

In contrast, September enjoys milder conditions, featuring a minimum temperature of 0°C (32°F) and a comfortable average of 13°C (56°F), peaking at a pleasant 26°C (78°F). With slightly less precipitation at 99 mm (3.9 in) over 12 days, it also has lower humidity at 86%. For more details on the weather during this month, check out Vestby weather in September. Overall, September offers much warmer and drier weather compared to the cold, damp conditions typical of December.

December weather is notably colder than in October, with temperatures dropping to a minimum of -11°C (12°F) and averaging around 0°C (33°F), compared to October’s milder minimum of -3°C (27°F) and an average of 8°C (47°F). Additionally, December experiences higher humidity at 93% and a total precipitation of 94 mm (3.7 in) over 15 days, whereas October has slightly more precipitation at 114 mm (4.5 in) but across just 14 days. Overall, while both months are wet, October tends to be more temperate and vestiges of autumn are still present. For more detailed insights, check out Vestby weather in October.

In comparing the weather of December and November, December tends to be colder overall, with average temperatures hovering around 0°C (33°F) compared to November's milder 4°C (39°F). The minimum temperatures also reflect this shift, dropping to -11°C (12°F) in December from November's minimum of -9°C (15°F). While both months receive similar amounts of precipitation—94 mm (3.7 in)—December experiences this over 15 days, slightly more than November's 13 days. Despite the increased chill, both months maintain a high humidity of 93%. For more details on November weather patterns, you can refer to Vestby weather in November.

Compare Vestby's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Vestby

As December settles over Vestby, the weather takes a distinctly chilly turn, contrasting sharply with the milder temperatures of earlier months. This month is characterized by cold nights and mild days, where temperatures often dip below freezing, creating a crisp winter atmosphere. With a significant amount of precipitation—averaging about 15 days of rain or snow—December adds a layer of moisture to the air, resulting in high humidity levels around 93%. While the max temperatures reach a relatively mild 9°C, the average drifts closer to freezing, heralding the onset of winter's embrace. If you're curious about how this compares to the rest of the year, check out the details at Vestby Climate.