December Weather in Groningen, Netherlands

Last updated: August 27, 2025

In December, Groningen, Netherlands, experiences a crisp and chilly climate, with maximum temperatures reaching up to 13°C (55°F) and an average hovering around 5°C (41°F). The month can dip as low as -7°C (19°F), particularly during the frosty nights. Precipitation is frequent, accumulating to 74 mm (2.9 in) over 16 days, contributing to a humidity level of 86% that envelops the city in a damp, wintry atmosphere. As the landscape transforms under a blanket of grey skies, Groningen offers a unique charm that captures the essence of winter.

December Temperature in Groningen

In December, Groningen, Netherlands experiences a significant drop in temperatures as winter settles in. With a minimum of -7°C (19°F) and an average temperature hovering around 5°C (41°F), the city clearly shifts from the milder fall months into a chilly winter embrace. The maximum temperature reaches a modest 13°C (55°F), reflecting the cold snap that comes as the year draws to a close. This month marks a stark contrast to the preceding months, as temperatures plummet from the mild averages seen in November. As the holiday season approaches, residents and visitors alike can expect crisp air and potentially festive snowy landscapes, making December a uniquely captivating time in Groningen.

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

The chart illustrates December temperature patterns in Groningen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Groningen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394043485462646458534541
Data source: Temperature data for Groningen 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 Groningen

In December, Groningen experiences a notable increase in precipitation, averaging 74 mm (2.9 in) over the month, which falls in line with the wetter trend observed during the late autumn and winter months. This uptick in rainfall is complemented by a significant 16 rainy days, marking one of the highest counts across the year. While December's precipitation is less than the peak seen in July (95 mm/3.7 in), it surpasses the much drier months of April and November. The persistent drizzle contributes to the season's characteristic gray skies, highlighting the transition from the crisp autumn air to the damp chill of winter. Overall, December is a month where Groningen embraces the elements as residents prepare for the colder days ahead, reminding us that the bleak weather often brings its own charm.

December Precipitation Trends in Groningen

The chart displays monthly precipitation patterns in Groningen, 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 Groningen, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec595867446878958967855174
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Groningen

As December arrives in Groningen, Netherlands, the humidity stands at a notable 86%, continuing the trend of elevated moisture levels typical for this time of year. Following a gradual drop in humidity from the peak of 88% in January and February, levels have stabilized around the mid-80s during the colder months. Notably, while June through August enjoy slightly lower humidity at 75%, a resurgence occurs in autumn, with November pushing up to 87%, and December aligning closely with this average. This pattern not only emphasizes Groningen's damp winter climate but also highlights the city's resilience, as residents adapt to the highs and lows of moisture throughout the year.

December Average Humidity in Groningen

This chart illustrates the average monthly humidity levels in Groningen, 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 Groningen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%86%84%80%75%75%75%83%86%87%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Groningen

In December in Groningen, the UV Index drops back to a low level of 1, similar to January and November, indicating minimal risk for harm from unprotected sun exposure. With a burn time of 45 minutes, residents can comfortably enjoy outdoor activities without significant concern for UV damage. This trend of lower UV levels continues from the late autumn months as the region settles into winter. The seasonal shift towards more sun-friendly conditions typically occurs in spring and summer, where UV exposure increases dramatically, peaking in June at a very high index of 8. For more insights into the UV Index throughout the year, visit Groningen UV Index.

Maximum UV Index Levels in Groningen for December

The chart shows the monthly maximum UV Index (UVI) for Groningen 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 Groningen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578775321
Data source: Groningen 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 Groningen

In Groningen, Netherlands, December unfolds with a modest 131 hours of sunshine, a stark contrast to the vibrant 404 hours basked in during May. As the year closes, daylight dwindles, reflecting a notable decrease from the more luminous months of summer. January and February also linger in the shadows with only 99 and 198 hours of sunlight respectively, marking the winter months as dimmer periods for the region. Yet, as the seasons progress from winter to spring, there’s a budding promise of brightness, with March seeing a significant upswing to 277 hours. This gradual transition hints at the impending return of longer days, characteristic of the longer sunlight hours in the warmer months, reaching their peak in the height of summer. Overall, the data beautifully illustrates a rhythmic dance of sunlight throughout the year, with December serving as a gentle reminder of the seasonal ebb and flow of light.

Monthly Sunshine Duration in Groningen: December Highlighted

The December sunshine duration represents the total number of hours Groningen 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h198h277h351h404h396h405h390h319h240h185h131h
Data source: Groningen December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Groningen During December

In Groningen, Netherlands, December marks one of the less sunny months of the year, with only a 20% chance of sunshine. This likelihood is marginally lower than the preceding November, which sees an 18% chance, and reflects a significant drop from the brighter spring months like April and March, which boast 42% and 34% chance of sun, respectively. As the year draws to a close, the trend indicates a dip in sunny days, with December's figures being among the lowest. Weather enthusiasts might want to prepare for more overcast days, as the city transitions into winter, showcasing the distinct seasonal shifts in this charming northern locale.

Percentage of Sunny Days in December in Groningen

The chart illustrates the percentage of sunny days in Groningen 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 Groningen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%25%34%42%30%38%30%33%30%27%18%20%
Data source: Groningen December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Groningen in December

In Groningen, Netherlands, the daylight duration follows a rhythmic pattern that reflects the changing seasons. As winter settles in, December graces the city with a mere 7 hours of daylight, marking the lowest point of the year. This decline from the 8 hours of daylight in November is part of a broader trend, as daylight gradually decreases from the long summer days of June and July, where residents enjoy up to 16 hours of sunlight. The transition from bright, sun-soaked days in April and May to the stark winter months highlights the stark contrast of the region's seasonal changes. As the year progresses, daylight begins to lengthen again, rejuvenating the spirit of Groningen's inhabitants, reminding them that brighter days are just around the corner.

Average Daylight Hours in Groningen for December

The chart illustrates the variation in daylight duration in Groningen throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 8m9h 50m11h 54m14h 1m15h 53m16h 52m16h 20m14h 40m12h 37m10h 31m8h 37m7h 35m
Data source: Groningen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Groningen

As December sweeps into Groningen, the average wind speed settles at 4.6 m/s (10 mph), showcasing a slight uptick from the quieter summer months. This shift reflects a typical seasonal trend where wind speeds generally rise as winter approaches. Notably, December's breezes are stronger than those in June and July, which see their calmest days, with averages dropping to 3.3 m/s (7 mph) and 3.7 m/s (8 mph) respectively. However, the winter winds aren't as fierce as those experienced in October, the month that boasts the highest average at 5.1 m/s (11 mph). Overall, December's winds in Groningen signal a transition, bridging the peaceful summer airflow and the more bracing gusts of mid-winter, inviting a refreshing chill that compels one to embrace the cozy comforts of the season.

Average December Wind Speed in Groningen

The chart displays monthly wind speed patterns in Groningen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.74.74.54.23.33.74.23.55.14.24.6 m/s
Data source: Groningen December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Groningen Compares to Other Months

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

December and January in Groningen exhibit relatively similar temperature ranges, with January averaging a slightly cooler 4°C (39°F) compared to December's average of 5°C (41°F). Both months experience minimum temperatures around -7°C (19°F) and maximum temperatures reaching 13°C (55°F in December and 57°F in January). Precipitation decreases in January to 59 mm (2.3 in), occurring over 13 days, while December sees a higher total of 74 mm (2.9 in) over 16 days. Interestingly, January has a bit higher humidity at 88% compared to December's 86%, suggesting a slightly more overcast feel as winter continues. For more detailed insights, check out Groningen weather in January.

December and February weather in Groningen show distinct characteristics. In December, temperatures range from a minimum of -7°C (19°F) to a maximum of 13°C (55°F), with an average of 5°C (41°F). The month experiences 74 mm of precipitation over 16 days, and the humidity is relatively high at 86%. In contrast, February is slightly colder, with minimum temperatures dropping to -12°C (10°F) and a maximum of 18°C (64°F), and an average of 4°C (40°F). This month sees less precipitation, totaling 57 mm over 11 days, while the humidity rises marginally to 88%. For more detailed information, you can visit Groningen weather in February.

In December, the weather is characterized by cooler temperatures, with a minimum of -7°C (19°F) and an average of 5°C (41°F), while the maximum can reach 13°C (55°F). This month also sees significant precipitation, totaling 74 mm (2.9 in) over approximately 16 days, along with a high humidity level of 86%.

In contrast, March experiences slightly lower minimum temperatures at -10°C (15°F), but an average of 6°C (43°F) and a warmer maximum of 20°C (68°F) suggest a gradual warming trend as spring approaches. Precipitation is slightly less, at 67 mm (2.7 in) over about 13 days, while humidity remains constant at 86%.

For more detailed insights on March weather, you can visit Groningen weather in March.

December weather in Groningen is characterized by significantly colder temperatures, with a minimum of -7°C (19°F) and an average of 5°C (41°F). This month typically sees around 74 mm (2.9 inches) of precipitation spread over 16 days, coupled with high humidity levels of 86%. In contrast, April offers a milder climate, with temperatures ranging from a minimum of -2°C (28°F) to a pleasant maximum of 27°C (81°F) and an average of 9°C (48°F). Additionally, April features less precipitation, measuring 44 mm (1.7 inches) over just 9 days, along with slightly lower humidity at 84%. Overall, December's chill and dampness sharply contrast with April's gradual warmth and relatively drier conditions. For more detailed information, check out Groningen weather in April.

December and May offer contrasting weather experiences. In December, temperatures plunge, with minima averaging -7°C (19°F) and maxima reaching only 13°C (55°F), accompanied by high humidity at 86%. The month sees about 74 mm (2.9 in) of precipitation over 16 days, creating a chilly and damp atmosphere. In stark contrast, May brings milder conditions, where temperatures range from a minimum of 1°C (33°F) to a warm maximum of 29°C (85°F), with an average of 12°C (55°F). The precipitation in May is slightly lower at 68 mm (2.7 in) over 13 days and a humidity level of 80%, contributing to a more pleasant and vibrant environment. For more details about May weather, you can check Groningen weather in May.

December and June present a striking contrast in weather. In December, temperatures range from a chilling -7°C (19°F) at their lowest to a mild 13°C (55°F) at their peak, with an average of 5°C (41°F). The month is quite damp, with 74 mm (2.9 in) of precipitation spread over 16 days and a high humidity level of 86%. Conversely, June boasts significantly warmer temperatures, with a minimum of 6°C (43°F) and a maximum of 33°C (92°F), averaging around 17°C (63°F). Despite slightly higher precipitation of 78 mm (3.1 in) over 11 days, humidity is lower at 75%. For more detailed insights into June weather, you can check Groningen weather in June.

December and July in Groningen present contrasting weather patterns that highlight the seasonal variation. December is characterized by colder temperatures, with lows plunging to -7°C (19°F) and an average of 5°C (41°F), while July enjoys much warmer conditions, with temperatures ranging from a low of 8°C (47°F) to a high of 35°C (95°F). Precipitation is fairly consistent across both months, with December receiving 74 mm (2.9 in) over 16 days, compared to July's 95 mm (3.7 in) over 14 days. Additionally, December's humidity stands at a higher 86%, while July's dips to a more comfortable 75%. For more detailed information, you can check the weather specifics at Groningen weather in July.

In December, the weather in Groningen is characterized by cold temperatures, with a minimum reaching as low as -7°C (19°F) and an average of 5°C (41°F), while highs rarely exceed 13°C (55°F). The month experiences significant humidity at 86%, contributing to a damp feel as precipitation occurs over 16 days, totaling 74 mm (2.9 in). In stark contrast, August brings milder and much warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 34°C (93°F) and an average of 18°C (65°F). August also sees a lower humidity level of 75% and slightly more precipitation at 89 mm (3.5 in) over the same number of days. For more details on August weather, visit Groningen weather in August.

December and September present contrasting weather conditions. In December, temperatures can dip as low as -7°C (19°F), with an average of 5°C (41°F) and highs reaching 13°C (55°F). The month experiences increased precipitation, totaling 74 mm (2.9 in) spread over 16 days, alongside a high humidity level of 86%. In contrast, September enjoys milder temperatures, with a minimum of 5°C (42°F), an average of 15°C (59°F), and a maximum of 29°C (85°F). Precipitation is slightly less at 67 mm (2.6 in) across 12 days, while humidity remains relatively low at 83%. For more detailed insights, check out Groningen weather in September.

In comparing December and October weather, December tends to be much colder, with average temperatures ranging from a minimum of -7°C (19°F) to a maximum of 13°C (55°F), while October boasts milder conditions with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 26°C (79°F). Both months experience similar humidity levels at 86% and precipitation rates that are fairly close, with December receiving 74 mm (2.9 in) over 16 days and October slightly higher at 85 mm (3.3 in) over 15 days. For more details, check out the Groningen weather in October.

In December, the weather tends to be colder than in November, with average temperatures dropping from 7°C (45°F) in November to 5°C (41°F) in December. The minimum temperatures also reflect this change, falling from -1°C (30°F) in November to -7°C (19°F) in December. Precipitation increases slightly, with December receiving 74 mm (2.9 in) over 16 days compared to November's 51 mm (2.0 in) over 12 days. Humidity remains relatively high, at 86% in December and 87% in November, creating a cool and damp atmosphere. For a more detailed look at November's weather, visit Groningen weather in November.

Compare Groningen's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Groningen

As December descends upon Groningen, the weather transforms into a uniquely chilly experience, characterized by cooler temperatures and a notable increase in precipitation. Unlike the milder months, December embraces an average temperature that dips significantly, often leading to crisp, frosty mornings and occasional frost at night. With nearly half the month experiencing rainfall, this period demands cozy layers and a good umbrella, as the humidity tends to linger around a brisk 86%. If you're curious about how Groningen's climate compares year-round, check out Groningen Climate for a deeper dive into seasonal trends and conditions.