December Weather in Ostend, Belgium

Last updated: August 21, 2025

In December, Ostend, Belgium experiences a chill that sets the stage for a cozy winter atmosphere. With average temperatures hovering around 7°C (45°F), daily highs can reach a maximum of 13°C (55°F), while nighttime temperatures drop as low as 0°C (32°F). The month is also marked by significant precipitation, totaling 129 mm (5.1 in), spread over 19 rainy days, contributing to a rather humid environment at 92%. This mix of cold, wet weather makes December a quintessential winter month in Ostend, perfect for warming up with hot drinks and enjoying the festive season.

December Temperature in Ostend

In December, Ostend, Belgium experiences a transition into winter, with temperatures reflecting the changing season. Minimums hover around 0°C (32°F), signaling the chill in the air, while average temperatures settle at a cool 7°C (45°F). Despite these brisk conditions, maximum temperatures can still reach 13°C (55°F), offering occasional reprieves from the cold. This month sits at a midpoint between the cooler autumn months and the harsh winter ahead, showcasing a gradual decline in warmth that makes it an intriguing time to visit. While the days have certainly turned chillier, December's mild peaks provide just enough comfort for outdoor explorations and the festive cheer that fills the coastal city.

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

The chart illustrates December temperature patterns in Ostend, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostend, 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).
JanFebMarAprMayJunJulAugSepOctNovDec424345495562656662564945
Data source: Temperature data for Ostend 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 Ostend

In December, Ostend, Belgium experiences a significant uptick in precipitation, averaging 129 mm (5.1 in) over 19 days of rainfall. This marks a notable increase compared to previous months, where October's 110 mm and November's 77 mm set the stage for the wetter finale of the year. The consistent trend of increased rainfall leading into winter suggests a shift in weather patterns, as Ostend transitions from the autumn months characterized by moderate rainfall to the damp and chilly winter days. Despite the increased precipitation, the city’s vibrant winter ambiance remains undeterred, offering a unique charm that draws visitors even in the wetter season.

December Precipitation Trends in Ostend

The chart displays monthly precipitation patterns in Ostend, 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 Ostend, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec77716937586262867811078129
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ostend

In Ostend, Belgium, December marks the culmination of a year characterized by high humidity levels. With 92% humidity, December remains tied with November as the most humid month of the year, reflecting a trend where moisture levels tend to peak as winter approaches. This notable increase from autumn's 89% illustrates how the colder months bring in not only chill but also a notable presence of humidity. Throughout the year, humidity gradually decreases from the 91% in January to its lowest point of 76% in August, before once again rising as the year closes. December's lingering humidity, alongside November's, hints at the maritime climate's grips, hinting that the transition into winter is accompanied by a wet embrace.

December Average Humidity in Ostend

This chart illustrates the average monthly humidity levels in Ostend, 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 Ostend is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ostend

In December, the UV Index in Ostend, Belgium, remains at a low level of 1, offering a contrast to the higher indices seen during the summer months. With a burn time of 45 minutes, it’s the perfect time to enjoy outdoor activities without the intense sun exposure present in the earlier part of the year. This seasonal shift reflects a broader trend of decreasing UV levels from the sunny days of June and July, which peak at 8, to the milder conditions of winter. As you prepare for your December outings, remember that while sun protection isn't a pressing concern, it's still wise to be mindful of UV exposure. For more details on the UV Index throughout the year, visit Ostend UV Index.

Maximum UV Index Levels in Ostend for December

The chart shows the monthly maximum UV Index (UVI) for Ostend 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 Ostend typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Ostend 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 Ostend

In Ostend, Belgium, December ushers in 158 hours of sunshine, a modest glow compared to the vibrant light of mid-summer, where July shines with an impressive 425 hours. As the year winds down, the sun's presence begins to wane, following a steady ascent from the dim days of January at just 122 hours. This gradual increase peaks in early summer, showcasing the town's delightful transition through the months. Despite December’s shorter days, the lingering sunshine hints at the charm of winter by the sea, creating a serene backdrop for holiday cheer. As Ostend settles into winter, the ebb and flow of sunlit hours reflect a yearly rhythm, inviting visitors to experience the unique allure of this coastal gem.

Monthly Sunshine Duration in Ostend: December Highlighted

The December sunshine duration represents the total number of hours Ostend 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.
JanFebMarAprMayJunJulAugSepOctNovDec122h200h283h357h411h419h425h395h328h248h203h158h
Data source: Ostend December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ostend During December

In Ostend, Belgium, the likelihood of sunny weather takes a noticeable dip in December, with only a 15% chance of sunshine. This decline follows a trend that begins in late autumn, where November sees a 22% chance, hinting at the increasing dominance of grey, overcast days as winter approaches. As the year progresses from January’s mere 15% to more promising figures in the spring, the sun becomes a rarer sight in December, echoing the seasonal transition. This pattern emphasizes the chilly, often gloomy atmosphere typical of Belgian winters, where sunny breaks are hard to come by.

Percentage of Sunny Days in December in Ostend

The chart illustrates the percentage of sunny days in Ostend 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 Ostend experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%30%39%51%38%35%39%36%37%32%22%15%
Data source: Ostend December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ostend in December

In Ostend, Belgium, December marks the onset of winter with daylight dwindling to just 7 hours—the shortest span of the year. This reduction follows a gradual decline from the longer days of summer, where June and July bask in an impressive 16 hours of sunlight. As the seasons shift, daylight hours dip from 15 hours in May, progressively tapering through the months until November, which offers 8 hours. The pattern highlights a clear transition from the vibrant brightness of spring and summer to the serene, tranquil darkness of winter. With each passing month, residents experience a notable cycle of light, setting the stage for cozy evenings indoors as the days draw to a close.

Average Daylight Hours in Ostend for December

The chart illustrates the variation in daylight duration in Ostend throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 26m9h 59m11h 55m13h 53m15h 35m16h 29m16h14h 28m12h 34m10h 37m8h 52m7h 56m
Data source: Ostend daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ostend

As December settles in Ostend, Belgium, the winds pick up, bringing an average speed of 6.4 m/s (14 mph), mirroring the gusty conditions of January but slightly below the briskness of October's 6.6 m/s (15 mph). This month marks a return to stronger winds after a summer lull, where June experienced the calmest breezes at just 4.2 m/s (9 mph). The transition from autumn's mild gusts, averaging around 5.6 m/s (13 mph) in November, hints at winter's arrival, reminding locals and visitors alike of the coastal charm and invigorating salt air that characterizes Ostend's December landscape. The consistent patterns of wind speed not only reflect the seasonal shifts but also enhance the city's enchanting winter atmosphere, inviting holiday wanderers to embrace the brisk, refreshing air.

Average December Wind Speed in Ostend

The chart displays monthly wind speed patterns in Ostend, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.46.56.05.85.74.25.15.84.86.65.66.4 m/s
Data source: Ostend December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ostend Compares to Other Months

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

In December, the weather in Ostend is characterized by relatively mild temperatures, with a minimum of 0°C (32°F) and an average of 7°C (45°F), peaking at 13°C (55°F). The month is quite wet, featuring 129 mm (5.1 in) of precipitation over 19 days, accompanied by high humidity levels of 92%. In contrast, January brings a slight chill, with temperatures dropping to a minimum of -3°C (27°F) and an average of 6°C (43°F), while still reaching a maximum of 13°C (55°F). The precipitation decreases to 77 mm (3.0 in) over 14 days, and the humidity remains slightly lower at 91%. For more information, you can check Ostend weather in January.

In December, the weather tends to be milder with average temperatures ranging from 0°C (32°F) at night to a maximum of 13°C (55°F) during the day. This month experiences considerable precipitation, totaling 129 mm (5.1 in) over approximately 19 days, and the humidity remains high at 92%. In contrast, February is slightly colder, with minimum temperatures dropping to -5°C (24°F) while daytime highs can reach 14°C (57°F). Precipitation is significantly reduced to 71 mm (2.8 in) over about 13 days, and humidity is somewhat lower at 89%. For more specifics on February weather conditions, you can visit Ostend weather in February.

In December, the weather is characterized by a chilly temperature range, with minimums reaching 0°C (32°F) and average highs of 13°C (55°F). The month sees significant precipitation, totaling 129 mm (5.1 in) across 19 days, and the high humidity at 92% contributes to a rather damp atmosphere. In contrast, March offers slightly more favorable conditions, with a minimum temperature of -5°C (24°F) and average maximums climbing to 17°C (64°F). Precipitation decreases to 69 mm (2.7 in) over 14 days, and humidity also dips to 87%, marking a transition toward spring. For more detailed information, visit Ostend weather in March.

December and April present contrasting weather patterns. In December, temperatures typically range from a chilly 0°C (32°F) to a mild 13°C (55°F), with an average of 7°C (45°F). This month is characterized by significant precipitation, averaging 129 mm (5.1 in) over 19 days, and high humidity at 92%. Conversely, April sees a gradual warming with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 22°C (71°F), averaging around 10°C (49°F). Precipitation is considerably less, totaling 37 mm (1.5 in) spread over just 8 days, and humidity levels drop to 85%. For those interested in a more detailed look at the weather during this month, you can explore Ostend weather in April.

In December, the weather is quite chilly, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 13°C (55°F). The month sees significant precipitation, totaling 129 mm (5.1 in) over 19 days, and high humidity levels at 92%, creating a damp and brisk atmosphere. In contrast, May brings a considerable warm-up, with temperatures starting at a minimum of 6°C (42°F) and reaching a pleasant maximum of 24°C (75°F). May experiences much less rainfall, with only 58 mm (2.3 in) over 11 days and lower humidity at 82%, leading to a more comfortable and enjoyable weather experience. For more details on the pleasant weather in May, check out Ostend weather in May.

December and June present notably contrasting weather conditions. In December, temperatures can dip as low as 0°C (32°F) and only reach an average high of 13°C (55°F), with significant rainfall totaling 129 mm (5.1 in) across about 19 days. The humidity is quite high at 92%, contributing to a rather chilly and damp atmosphere. In contrast, June boasts milder temperatures, with a minimum of 11°C (51°F), an average of 17°C (62°F), and maximum highs reaching 27°C (81°F). Precipitation during June is much lighter, amounting to 62 mm (2.5 in) over just 8 days, and the humidity is slightly lower at 82%, resulting in a more pleasant and sunny climate. For a detailed look at June weather in Ostend, check out Ostend weather in June.

December and July present strikingly different weather conditions. In December, temperatures rarely rise above 13°C (55°F), with a chilly average of 7°C (45°F) and frequent precipitation over 19 days, totaling 129 mm (5.1 in). The high humidity of 92% contributes to a damp and cold atmosphere. Conversely, July boasts much warmer temperatures, with a minimum of 13°C (56°F) and an average of 18°C (65°F), peaking at 32°C (89°F). The month sees significantly less rain, with only 62 mm (2.5 in) over 11 days, and a lower humidity level of 80%, making it a much more comfortable time of year. For a closer look at July conditions, check Ostend weather in July.

In December, the weather is notably colder, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 13°C (55°F) and an average of 7°C (45°F). The month sees significant precipitation, averaging 129 mm (5.1 in) over about 19 days, coupled with high humidity levels at 92%. In contrast, August offers much milder conditions, with temperatures ranging from 13°C (56°F) at night to a warm maximum of 30°C (87°F) during the day, averaging around 19°C (66°F). It experiences less rainfall, averaging 86 mm (3.4 in) over 15 days, and lower humidity at 76%. For more details, you can check out Ostend weather in August.

In comparing the weather between December and September, it's evident that September enjoys milder temperatures and less precipitation. With a minimum temperature of 10°C (50°F) and an average of 16°C (62°F), September is notably warmer than December, where temperatures can drop to a chilly 0°C (32°F) with an average of only 7°C (45°F). Additionally, September experiences significantly less rainfall, with 11 days of precipitation totaling 78 mm (3.1 in), compared to December's 19 days and 129 mm (5.1 in). Humidity levels are also slightly lower in September at 82%, compared to December's high of 92%. For those considering a visit, more information can be found at Ostend weather in September.

October and December present quite contrasting weather conditions. In October, temperatures are more mild, with average highs around 22°C (72°F) and lows of 5°C (42°F), offering a comfortable transition into autumn. The precipitation is relatively moderate at 110 mm (4.3 in) over about 17 days, accompanied by a humidity level of 89%. In comparison, December's weather is significantly cooler, featuring average temperatures ranging from 0°C (32°F) at night to 13°C (55°F) during the day. Rainfall also increases to 129 mm (5.1 in) spread over 19 days, resulting in higher humidity levels at 92%. For more details on the October weather, you can check Ostend weather in October.

In comparing the weather patterns of December and November, December tends to be cooler with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 13°C (55°F), while November is slightly warmer, with temperatures averaging between 2°C (36°F) and 17°C (64°F). Additionally, December experiences more precipitation, with 129 mm (5.1 in) of rain over 19 days, compared to November's 77 mm (3.0 in) over 15 days. Interestingly, both months maintain a high humidity level of 92%. For more details on November weather, visit Ostend weather in November.

Compare Ostend's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ostend

As the year draws to a close, December in Ostend brings a notable shift in weather, marked by cooler temperatures and a significant increase in precipitation. With an average temperature of 7°C (45°F), the month is colder than the mild autumn, inviting a brisk chill that sweeps through the coastal city. Rainfall is common, with nearly 19 days of precipitation, contributing to the region's humid atmosphere, which hovers around a notable 92%. While the maritime charm of Ostend remains captivating, December certainly requires warmer attire and a readiness for wet weather. For a deeper understanding of the seasonal shifts, check out the detailed Ostend Climate.