December Weather in Sandefjord, Norway

Last updated: August 27, 2025

December in Sandefjord, Norway, offers a chilly experience as temperatures fluctuate between a maximum of 9°C (49°F) and a minimum of -9°C (16°F), with an average hovering around 1°C (34°F). This month witnesses significant precipitation, totaling 127 mm (5.0 in) over 17 days, contributing to the region's all-encompassing 93% humidity. Visitors should brace for a wintry atmosphere, complemented by a unique charm that December brings to this coastal town, perfect for cozy winter activities.

December Temperature in Sandefjord

As December settles over Sandefjord, Norway, the chill of winter becomes increasingly pronounced. Temperatures dip significantly, with average lows around -9°C (16°F) and daytime highs barely reaching 9°C (49°F). This marks a notable shift from the milder temperatures of autumn, illustrating a transition into the heart of winter. The month typically sees an average temperature of 1°C (34°F), creating a crisp, wintry atmosphere enveloping the town. Snow may dust the landscape, enhancing the charm of Sandefjord's picturesque vistas as it embraces the seasonal chill. Whether bundled up for a brisk walk or enjoying the cozy interiors of local cafes, December in Sandefjord offers a unique blend of beauty and briskness.

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

The chart illustrates December temperature patterns in Sandefjord, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandefjord, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323236435261646256484034
Data source: Temperature data for Sandefjord 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 Sandefjord

December in Sandefjord, Norway, wraps up the year with a notable rainfall of 127 mm (5.0 in), maintaining a consistent trend of high precipitation as winter sets in. This month experiences 17 days of rain, marking an increase in both amount and frequency compared to the earlier months of the year. The persistent moisture reflects the region's typical winter climate, with December's rainfall closely mirroring that of November's 128 mm (5.1 in) but elevated from the lower totals in spring and summer. As the days grow shorter and temperatures drop, Sandefjord showcases its characteristic mix of wintery weather, making December a month where rain becomes a common companion for its residents.

December Precipitation Trends in Sandefjord

The chart displays monthly precipitation patterns in Sandefjord, 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 Sandefjord, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7580773779909490138155128127
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sandefjord

In Sandefjord, Norway, December wraps up the year with a notable humidity level of 93%, reflecting a consistent trend of high moisture in the air during the winter months. Starting from a peak in January at 94%, the humidity gradually decreases until it reaches its seasonal low in May at 73%. However, as the year winds down, humidity levels rebound significantly, hovering around the low 90s% in the closing months—November and December share a similar humidity profile, underscoring winter's damp embrace. This pattern highlights Sandefjord’s cool and moist climate, with December serving as a reminder of the region's characteristic atmosphere as it transitions into the coldest season.

December Average Humidity in Sandefjord

This chart illustrates the average monthly humidity levels in Sandefjord, 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 Sandefjord 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 Sandefjord

As December rolls in, Sandefjord experiences a low UV Index of 1, allowing for a worry-free outdoor experience with a burn time of 45 minutes. This trend of low UV levels carries over from November, where the Index also registered the same value, indicating that winter in this Norwegian coastal town is a time for safe sun exposure. Prior months showcased a gradual increase in UV intensity, peaking at 7 in June and July, yet as winter settles in, residents can enjoy lengthy outdoor activities without the concern of sunburn. For those planning to soak up the winter sun, this low UV Index means extra time outdoors is comfortably safe. For more information on UV trends throughout the year, check out Sandefjord UV Index.

Maximum UV Index Levels in Sandefjord for December

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

In Sandefjord, Norway, December embraces the dim winter days with just 101 hours of sunshine, a notable decline as the year reaches its close. This reflects a general trend of decreasing daylight, with the sunniest months peaking in mid-year—July leading the way at 475 hours, closely followed by June and May. As autumn settles in, hours of sunlight steadily dwindle, dropping from 182 hours in February to a mere 93 hours in January, illustrating the gradual transition into the season of long nights. By December, the return of crisp air and occasional snow adds a magical touch to the landscape, despite the sun's retreat.

Monthly Sunshine Duration in Sandefjord: December Highlighted

The December sunshine duration represents the total number of hours Sandefjord 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h182h289h372h428h464h475h412h291h238h137h101h
Data source: Sandefjord December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sandefjord During December

In Sandefjord, Norway, December presents a relatively modest 27% chance of sunny weather, a continuation of the declining trend observed as the year progresses towards winter. While the percentage of sunny days has its ups and downs throughout the year, December notably follows November’s dismal 23%, hinting at the lengthy grasp of gray skies as daylight hours dwindle. The likelihood of sunshine significantly improves in the spring months, with April reaching a more cheerful 58%. This gradual enhancement signals the return of brighter days after the darker winter period, making December a time to embrace cozy indoor activities as nature takes its rest.

Percentage of Sunny Days in December in Sandefjord

The chart illustrates the percentage of sunny days in Sandefjord 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 Sandefjord experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%39%45%58%31%41%45%41%27%31%23%27%
Data source: Sandefjord December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sandefjord in December

In Sandefjord, Norway, the daylight duration experiences a dramatic transformation throughout the year. Starting with a modest 6 hours in January, the days gradually lengthen as spring approaches, peaking at an impressive 18 hours in June. This vibrant summer period gives way to a slow decline in daylight, with July and August still enjoying 17 and 15 hours, respectively. As autumn unfolds, daylight diminishes to 12 hours in September and continues to shrink, hitting 7 hours in November. By December, the year culminates with a return to 6 hours of daylight, echoing the darkness of the beginning of the year. This cyclical pattern not only emphasizes the stark contrasts between seasons but also highlights the unique challenges and beauties associated with life in this coastal Norwegian town.

Average Daylight Hours in Sandefjord for December

The chart illustrates the variation in daylight duration in Sandefjord throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 58m9h 14m11h 52m14h 33m17h 1m18h 26m17h 40m15h 23m12h 46m10h 6m7h 37m6h 12m
Data source: Sandefjord daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sandefjord

As December embraces Sandefjord, the average wind speed settles at 3.8 m/s (8 mph), marking a slight decrease from the preceding months. This trend reveals a gradual transition as winter unfolds, with wind speeds tapering off from the brisk values seen in October, which peaked at 4.8 m/s (11 mph). The autumn months, particularly October and November, showcase stronger gusts, likely heralding the seasonal shift towards the more tranquil yet chilly days of winter. Overall, the December breeze in Sandefjord is a gentle reminder of the calmness that often accompanies the festive season, contrasting with earlier months that boasted more vigorous winds.

Average December Wind Speed in Sandefjord

The chart displays monthly wind speed patterns in Sandefjord, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.13.83.83.33.23.03.43.54.84.13.8 m/s
Data source: Sandefjord December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sandefjord Compares to Other Months

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

December and January both feature cold temperatures, but January tends to be slightly chillier. In December, the average temperature hovers around 1°C (34°F), with the mercury dipping as low as -9°C (16°F) and reaching a maximum of 9°C (49°F). In contrast, January sees an average temperature of 0°C (33°F), with minimums dropping to -13°C (9°F) and maximums climbing to 11°C (51°F). Precipitation is more frequent in December, with 127 mm (5.0 in) spread over 17 days, compared to January's 75 mm (2.9 in) over just 9 days. Humidity remains high in both months, peaking at 93% in December and 94% in January. For more detailed weather insights, you can check Sandefjord weather in January.

In comparing December and February weather, December tends to be slightly milder with average temperatures around 1°C (34°F) and a maximum of 9°C (49°F), while February experiences cooler conditions with an average of 0°C (32°F) and a minimum of -13°C (8°F). Both months see significant precipitation, but December is notably wetter, receiving 127 mm (5.0 in) over 17 days compared to February's 80 mm (3.1 in) across 11 days. Humidity levels remain high in both months, with December at 93% and February slightly lower at 92%. For more details on February weather in Sandefjord, you can visit Sandefjord weather in February.

In December, temperatures range from a cold minimum of -9°C (16°F) to a maximum of 9°C (49°F), with an average temperature around 1°C (34°F). The month sees considerable precipitation, measuring 127 mm (5.0 in) over 17 days, and high humidity at 93%. In contrast, March offers slightly warmer conditions, with temperatures varying from a minimum of -12°C (10°F) to a maximum of 14°C (58°F), and an average of 2°C (36°F). Precipitation decreases to 77 mm (3.0 in) over just 9 days and humidity drops to 89%. For a more detailed overview, check out Sandefjord weather in March.

December weather is characterized by cold temperatures, with a minimum of -9°C (16°F) and an average of just 1°C (34°F), while maximum temperatures only reach up to 9°C (49°F). In addition, December sees significant precipitation, averaging 127 mm (5.0 in) over 17 days, and high humidity levels at 93%. In contrast, April brings a noticeable warming trend, with temperatures ranging from a minimum of -6°C (21°F) to a comfortable maximum of 20°C (67°F) and an average of 6°C (43°F). Precipitation is much lighter, totaling 37 mm (1.5 in) over only 5 days, with humidity dropping to 82%. For more specific details about April weather, you can visit Sandefjord weather in April.

December and May present contrasting weather patterns, reflective of their respective positions in the seasonal cycle. In December, temperatures can drop to a chilling -9°C (16°F), with an average of 1°C (34°F) and a maximum of 9°C (49°F). Humidity is high at 93%, and the month sees considerable precipitation, with 127 mm (5.0 in) over 17 days. In stark contrast, May ushers in milder conditions, with a minimum temperature of 1°C (33°F), an average of 11°C (52°F), and highs that can reach up to 27°C (81°F). The precipitation in May is less, totaling 79 mm (3.1 in) over 11 days, and the humidity is lower at 73%. For a closer look at this spring month, you can explore Sandefjord weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures can plummet as low as -9°C (16°F), with an average of around 1°C (34°F) and highs reaching up to 9°C (49°F). This chilly month typically experiences a high level of precipitation, accumulating to 127 mm (5.0 in) over 17 days, along with notable humidity at 93%. In contrast, June offers a mild and pleasant climate, with minimum temperatures of 6°C (44°F) and an average of 16°C (61°F), peaking at 27°C (81°F). The month sees significantly less rainfall, totaling 90 mm (3.6 in) across just 11 days, accompanied by a more comfortable humidity level of 71%. For more details on weather in June, visit Sandefjord weather in June.

In December, the weather is characterized by cold temperatures, with a minimum of -9°C (16°F) and an average of 1°C (34°F), peaking at a maximum of 9°C (49°F). This month experiences significant precipitation, totaling 127 mm (5.0 in) over 17 days, coupled with high humidity at 93%. In contrast, July brings much warmer weather, with temperatures ranging from a minimum of 9°C (49°F) to an average of 18°C (64°F) and reaching a maximum of 31°C (87°F). July sees less rainfall, with 93 mm (3.7 in) spread over only 11 days, and the humidity drops to a more comfortable 72%. For more insights on the pleasant conditions in July, visit Sandefjord weather in July.

In December, the weather is considerably colder, with temperatures ranging from a frigid minimum of -9°C (16°F) to a maximum of 9°C (49°F) and an average temperature of just 1°C (34°F). The month is characterized by high humidity at 93% and significant precipitation, totaling 127 mm (5.0 in) over 17 days. In contrast, August boasts much milder conditions, with temperatures varying from a minimum of 9°C (48°F) to a comfortable maximum of 26°C (79°F) and an average of 17°C (62°F). August also experiences less precipitation, with 90 mm (3.5 in) spread across 13 days and a lower humidity level of 77%. For more details on the weather specifics for this summer month, you can visit Sandefjord weather in August.

The weather in December is markedly colder compared to September, with temperatures ranging from a frigid minimum of -9°C (16°F) to a maximum of 9°C (49°F), averaging around 1°C (34°F). In contrast, September enjoys a milder climate, with temperatures varying between a minimum of 5°C (40°F) and a maximum of 23°C (73°F), resulting in an average of 13°C (56°F). December also tends to be wetter, with 127 mm (5.0 in) of precipitation over 17 days, while September sees slightly more precipitation at 138 mm (5.4 in) over 14 days, albeit with less overall chill. Humidity levels are higher in December at 93%, compared to 86% in September. For more detailed weather information, visit Sandefjord weather in September.

When comparing the weather in December to that of October, notable differences in temperature and conditions emerge. In December, the average temperature hovers around 1°C (34°F), with a minimum of -9°C (16°F) and a maximum of 9°C (49°F), making it significantly colder than October, where temperatures range from a minimum of -1°C (30°F) to a pleasant maximum of 17°C (62°F) and an average of 9°C (48°F). Moreover, December experiences more precipitation, totaling 127 mm (5.0 in) over 17 days, compared to October’s 155 mm (6.1 in) over 15 days. The humidity levels are similar between the two months, with December at 93% and October slightly lower at 92%. For more detailed insights, you can visit Sandefjord weather in October.

December weather shows a slight drop in average temperature compared to November, with December's temperatures ranging from a minimum of -9°C (16°F) to a maximum of 9°C (49°F), while November has a broader range from -7°C (19°F) to 14°C (57°F). Precipitation levels remain comparable, with December recording 127 mm (5.0 in) over 17 days and November at 128 mm (5.1 in) over 16 days, suggesting that both months are similarly wet. Humidity levels also stay constant at 93% for both months, creating a moist atmosphere throughout late fall. For a detailed overview of November's weather conditions, refer to Sandefjord weather in November.

Compare Sandefjord's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Sandefjord

As December arrives in Sandefjord, the chill of winter sets in, ushering in a shift from the milder months. With temperatures hovering around freezing, this month stands out with its brisk air and frequent precipitation, contributing to the landscape's wintery charm. The high humidity levels add a unique crispness to the atmosphere, while the occasional snowfall transforms the town into a serene wonderland. Compared to other months, December's shorter days and longer nights create a cozy ambiance, perfect for enjoying the festive season. For more insights into how Sandefjord's weather evolves throughout the year, visit Sandefjord Climate.