December Weather in Sarpsborg, Norway

Last updated: August 27, 2025

In Sarpsborg, Norway, December unveils a winter wonderland characterized by a maximum temperature of 10°C (51°F) and a frigid minimum of -13°C (10°F). The average temperature hovers around 1°C (34°F), indicating the cooling grip of the season. This month sees significant precipitation, with a total of 87 mm (3.4 in) spread across 15 days, contributing to a chilly yet moody ambiance. The high humidity level of 93% adds to the crispness of the air, making December in Sarpsborg a quintessentially frosty and atmospheric time of year.

December Temperature in Sarpsborg

In December, Sarpsborg, Norway, embraces the chill of winter as temperatures dip notably. With minimums reaching -13°C (10°F) and a cool average of 1°C (34°F), the month reflects a true Nordic winter. Daytime highs hover around 10°C (51°F), providing a crisp, invigorating atmosphere ideal for cozying up indoors or enjoying the festive outdoor scenery. The trends from the previous months reveal a steady decline in temperatures, culminating in December's frosty embrace, setting the stage for a charming holiday season amidst snow-dusted landscapes.

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

The chart illustrates December temperature patterns in Sarpsborg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sarpsborg, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343337445363656256484034
Data source: Temperature data for Sarpsborg 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 Sarpsborg

December in Sarpsborg, Norway, wraps up the year with a notable average precipitation amount of 87 mm (3.4 in), closely aligning with the wet conditions observed in the preceding months. What's striking is the increase in precipitation days, reaching 15 days, which highlights a trend towards more consistent rainfall as winter sets in. This uptick in rainy days reflects Sarpsborg's transition into the colder season, where the weather becomes more unpredictable, yet provides a cozy backdrop for the festive month. As December draws to a close, the cumulative precipitation not only showcases the region's characteristic dampness but also sets the stage for a vibrant and lush landscape into the New Year.

December Precipitation Trends in Sarpsborg

The chart displays monthly precipitation patterns in Sarpsborg, 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 Sarpsborg, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec54605931687488861011178887
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sarpsborg

As December arrives in Sarpsborg, Norway, the humidity remains brisk at 93%, echoing the trend of moisture-laden air as winter deepens. The month shares similar humidity levels with both November and October, which hover around 93% and 92%, respectively. This consistency indicates a pronounced winter pattern, following a gradual decline from the spring and summer months, which featured drier conditions, notably in May and June with humidity dropping to 73% and 71%. The increasing humidity in the latter part of the year, particularly from September's 86% onwards, sets the stage for a cozy, albeit damp, close to the year. As the cold sets in, Sarpsborg's atmosphere thickens with moisture, painting a vivid picture of a Nordic winter.

December Average Humidity in Sarpsborg

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

In December, Sarpsborg experiences a continuation of low UV Index levels, with a reading of 1 that categorizes sun exposure as minimal. This level ensures that residents and visitors can enjoy outdoor activities without significant risk of sunburn, with a comfortable burn time of 45 minutes. Following the trend from the preceding months, where UV levels peaked during the summer, December's consistent low index highlights the protective benefits of winter's shorter days and diminished sunlight. As you embrace the chilly season, remember that while the UV Index remains low, it’s always good to stay informed. For more details, check out the full Sarpsborg UV Index.

Maximum UV Index Levels in Sarpsborg for December

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

In Sarpsborg, Norway, December brings a gentle retreat from the lengthy days of summer, offering only 99 hours of sunshine. This gradual decline in daylight, following the peak of 475 hours in July, sets the stage for winter's embrace. As the year progresses, sunlight dips from a vibrant 464 hours in June to the darker months, with November providing a mere 137 hours. The trend reveals a significant contrast between the bright summer months and the hushed stillness of winter, as each season uniquely colors the picturesque landscape of Sarpsborg. Despite the dwindling daylight, the warmth of December's sun remains a cherished respite amid the long nights.

Monthly Sunshine Duration in Sarpsborg: December Highlighted

The December sunshine duration represents the total number of hours Sarpsborg 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.
JanFebMarAprMayJunJulAugSepOctNovDec91h180h288h373h429h464h475h409h290h236h137h99h
Data source: Sarpsborg December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sarpsborg During December

In Sarpsborg, Norway, the likelihood of enjoying sunny weather sees a gradual shift as the year progresses, peaking in late spring with April boasting a 55% chance of clear skies. As we move into December, however, this sunny trend takes a downward turn, with the chance of sun dipping to 30%. While this is a slight improvement compared to the gloomier months preceding it, particularly November at 23%, December still reflects a colder climate. The early winter ambiance means residents can expect a mix of overcast days, with sunny spells rare but cherished during this chilly month, as nature prepares for the long Scandinavian winter ahead.

Percentage of Sunny Days in December in Sarpsborg

The chart illustrates the percentage of sunny days in Sarpsborg 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 Sarpsborg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%42%44%55%31%42%45%41%27%31%23%30%
Data source: Sarpsborg December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sarpsborg in December

As the year unfolds in Sarpsborg, Norway, a distinct pattern of daylight duration emerges, shaping the experience of each season. The journey begins in January with just 6 hours of daylight, a reminder of winter's grasp. As February ushers in a hint of spring, daylight extends to 9 hours, before making significant gains in March and April, when it reaches 11 and 14 hours, respectively. The peak arrives in the lively summer months of June and July, where day stretches to an impressive 18 hours, bathing the landscape in prolonged sunlight. However, as autumn sets in, the days gradually shorten, with September offering 12 hours and November dropping back to 7 hours. By December, daylight returns to 6 hours, closing the year with a familiar return to winter's embrace, completing a cyclical dance of light and dark that defines Sarpsborg's year.

Average Daylight Hours in Sarpsborg for December

The chart illustrates the variation in daylight duration in Sarpsborg 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 38m6h 12m
Data source: Sarpsborg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sarpsborg

In Sarpsborg, Norway, the December winds usher in the last month of the year with an average speed of 3.5 m/s (8 mph), reflecting a trend of gentle breezes transitioning from the brisker gusts of autumn. As the calendar year unfolds, wind speeds gradually shift, peaking in October at 4.7 m/s (11 mph) before settling into the more tranquil currents of winter. While November presents a similar breeze at 3.9 m/s (9 mph), December’s consistent winds create a serene atmosphere, perfect for winter walks along the frosty landscapes. Overall, the winter months in Sarpsborg exhibit a comforting calmness, where the winds softly whisper through the city, reminding residents of the enchanting beauty of the season.

Average December Wind Speed in Sarpsborg

The chart displays monthly wind speed patterns in Sarpsborg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.93.93.83.33.43.13.33.54.73.93.5 m/s
Data source: Sarpsborg December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sarpsborg Compares to Other Months

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

December and January present a similar average temperature of around 1°C (34°F), but January tends to be slightly colder, with minimum temperatures dipping to -15°C (5°F) compared to -13°C (10°F) in December. Precipitation also decreases in January, with only 54 mm (2.1 in) falling over 9 days, down from 87 mm (3.4 in) across 15 days in December. Humidity levels are comparable, with January at 94% compared to December's 93%. For a more detailed look at what to expect, you can visit Sarpsborg weather in January.

In December, temperatures typically range from a frigid -13°C (10°F) to a maximum of 10°C (51°F), resulting in an average of about 1°C (34°F). The month experiences considerable precipitation, totaling 87 mm (3.4 in) over approximately 15 days, coupled with a high humidity level of 93%. In contrast, February sees slightly colder temperatures, with a minimum of -16°C (4°F) and a maximum of 12°C (54°F), leading to an average temperature of 0°C (33°F). Precipitation decreases to 59 mm (2.3 in) over around 10 days, maintaining a similar humidity level of 92%. For more details on February weather, visit Sarpsborg weather in February.

In December, temperatures can be quite cold, with minimums reaching -13°C (10°F) and averages hovering around 1°C (34°F), while maximums can reach up to 10°C (51°F). The month experiences a significant amount of precipitation, totaling 87 mm (3.4 in) over 15 days and high humidity at 93%. In contrast, March shows a gradual warming trend, with minimum temperatures still at -13°C (9°F), but average temperatures rising to 3°C (37°F) and maximums reaching 16°C (60°F). Precipitation decreases to 59 mm (2.3 in) over just 9 days, and humidity is slightly lower at 89%. For more details on March weather, you can visit Sarpsborg weather in March.

December and April weather show significant contrasts, primarily in temperature and precipitation. In December, temperatures can plunge as low as -13°C (10°F), with an average of around 1°C (34°F) and maximums reaching 10°C (51°F). This chilly month experiences substantial precipitation of 87 mm (3.4 in) over approximately 15 days, accompanied by high humidity levels of 93%. In stark contrast, April brings milder weather, with minimum temperatures around -7°C (20°F) and averages rising to a comfortable 7°C (45°F), peaking at 22°C (71°F). This month sees much less precipitation, totaling just 31 mm (1.2 in) across only 6 days, and a relatively lower humidity of 82%. For a detailed look at what to expect, check Sarpsborg weather in April.

December and May present a stark contrast in weather conditions. In December, temperatures plunge as low as -13°C (10°F), with an average around 1°C (34°F) and a maximum of 10°C (51°F). The month is characterized by high humidity at 93% and significant precipitation of 87 mm (3.4 in) over approximately 15 days. In contrast, May ushers in milder weather, featuring minimum temperatures of 0°C (32°F) and average highs reaching 31°C (88°F), with an overall average of 12°C (53°F). While May experiences less precipitation at 68 mm (2.7 in) across about 11 days, the humidity drops to a more comfortable 73%. For more details, check out Sarpsborg weather in May.

December and June present strikingly different weather patterns. December experiences colder temperatures, with a minimum of -13°C (10°F) and an average of around 1°C (34°F), while June enjoys milder conditions, boasting a minimum of 5°C (42°F) and an average of 17°C (63°F). Precipitation is slightly higher in December at 87 mm (3.4 in) over 15 days, compared to June's 74 mm (2.9 in) within 12 days. Additionally, December's humidity is notably high at 93%, in contrast to June's more comfortable 71%. This seasonal shift highlights the transition from winter's chilling grasp to summer's warmth, making each month distinct in its own right. For more details on June weather, you can check Sarpsborg weather in June.

December and July present striking contrasts in weather conditions. In December, temperatures can plunge as low as -13°C (10°F), with an average of 1°C (34°F) and a maximum of 10°C (51°F). The month is characterized by high humidity at 93% and frequent precipitation occurring on about 15 days, totaling 87 mm (3.4 in). In stark contrast, July offers much warmer weather, with temperatures ranging from a minimum of 8°C (47°F) to an average of 18°C (65°F), peaking at 33°C (92°F). The humidity is significantly lower at 72%, and while precipitation levels are similar, it falls over fewer days—only 11 days in July. For more details on July weather, check out Sarpsborg weather in July.

December and August showcase stark contrasts in weather conditions. In December, temperatures plunge significantly, with a minimum of -13°C (10°F) and an average around 1°C (34°F), while August offers much milder temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 29°C (84°F). Both months receive similar amounts of precipitation, approximately 86-87 mm (3.4 inches), but December experiences rain over 15 days compared to August's 14 days. Additionally, humidity levels are notably higher in December at 93%, compared to a more comfortable 77% in August. For a detailed look at August weather, visit Sarpsborg weather in August.

December weather is significantly colder than September, with minimum temperatures dropping to as low as -13°C (10°F) compared to September's mild lows of 0°C (33°F). The average temperature in December is just 1°C (34°F), whereas in September, it is more comfortable at 13°C (56°F). Additionally, while both months experience precipitation, December sees 87 mm (3.4 in) over 15 days, making it slightly drier than September, which has 101 mm (4.0 in) across 11 days. Humidity is also higher in December at 93%, compared to 86% in September. For more details on September weather, you can visit Sarpsborg weather in September.

In comparing the weather between October and December, October tends to be milder, with an average temperature of 9°C (48°F) and a maximum of 18°C (64°F), while December's temperatures range more dramatically from a minimum of -13°C (10°F) to a maximum of 10°C (51°F). Precipitation is slightly higher in October at 117 mm (4.6 in) over 14 days, compared to December's 87 mm (3.4 in) over 15 days. Additionally, the humidity levels are quite comparable, with October at 92% and December slightly higher at 93%. For more detailed weather information, you can check Sarpsborg weather in October.

In comparing December and November weather, December presents colder temperatures with a minimum of -13°C (10°F) and an average of 1°C (34°F), while November offers milder conditions with a minimum of -9°C (16°F) and an average of 4°C (40°F). Precipitation levels are quite similar, with December receiving 87 mm (3.4 in) over 15 days and November slightly higher at 88 mm (3.5 in) over 13 days. Humidity remains constant at 93% for both months, but the overall chill of December clearly marks a transition into winter. For more detailed insights on November weather, visit Sarpsborg weather in November.

Compare Sarpsborg's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Sarpsborg

As December settles over Sarpsborg, the weather showcases a stark contrast to the milder months preceding it. Temperatures drop significantly, with averages hanging around freezing, making warmth a rare commodity. Precipitation is frequent, contributing to the month’s notable humidity, which hovers at a notable 93%. With about half of December marked by rainy or snowy days, the landscape often transforms into a winter wonderland. This atmospheric shift not only brings cooler temperatures and increased moisture but also sets the stage for cozy indoor gatherings, inviting residents to embrace the season. For a deeper dive into the climate dynamics of this charming town, visit Sarpsborg Climate.