December Weather in Marmara, Turkey

Last updated: August 27, 2025

In Marmara, Turkey, December brings a mix of brisk temperatures and notable precipitation. The maximum temperature hovers around 19°C (67°F), while the average settles at a cool 10°C (51°F), dipping to a minimum of 2°C (36°F). This month sees significant precipitation, with a total of 101 mm (4.0 in) spread over 13 days, leading to an impressive humidity level of 86%. Prepare for a winter atmosphere as Marmara transitions into the new year, characterized by cool, damp days that offer a unique charm to the region.

December Temperature in Marmara

As December settles in Marmara, Turkey, temperatures begin to shift noticeably, signaling the heart of winter. With a morning chill that dips to a minimum of 2°C (36°F), the days are brisk yet manageable, boasting an average temperature of around 10°C (51°F). By afternoon, the sun makes its presence felt, allowing for pleasant highs of 19°C (67°F). This gradual transition from the milder conditions of November showcases a downward trend in temperatures, yet it’s still relatively mild compared to the colder months ahead. December offers a unique blend of chilly mornings and surprisingly warm afternoons, perfect for cozy outings or exploring the picturesque landscapes of the region.

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

The chart illustrates December temperature patterns in Marmara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marmara, 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).
JanFebMarAprMayJunJulAugSepOctNovDec454648546473777873645750
Data source: Temperature data for Marmara 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 Marmara

In December, Marmara, Turkey, experiences a notable uptick in precipitation, matching January's high of 101 mm (4.0 in). This increase aligns with the winter season, which typically brings more rain to the region. The precipitation falls over 13 rainy days, marking a rise in wet days compared to previous months, suggesting a trend towards a more humid end of the year. As temperatures drop, the rainfall contributes to the lush and vibrant landscape of Marmara, providing a stark contrast to the dry summer months, where August recorded a mere 10 mm (0.4 in). This stark variability highlights how Marmara’s climate shifts dramatically with the seasons, as it welcomes the winter rains, supporting both agricultural and ecological needs.

December Precipitation Trends in Marmara

The chart displays monthly precipitation patterns in Marmara, 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 Marmara, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10165675044363210285859101
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Marmara

As winter descends upon Marmara, Turkey, December brings a notable increase in humidity, averaging 86%. This rise is in stark contrast to the drier summer months from June to August, which saw humidity levels dip as low as 49%. As the year progresses from the sun-soaked warmth of summer to the cooling embrace of late autumn, there is a marked upward trend in moisture content, peaking just before the new year. The consistent humidity levels in November and December reflect the transition into the colder season, setting the stage for the wet and cooler months ahead. Overall, December serves as a reminder of the region's temperate climate, balancing stark seasonal shifts with a lingering moisture that keeps the air crisp and invigorating.

December Average Humidity in Marmara

This chart illustrates the average monthly humidity levels in Marmara, 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 Marmara is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%84%81%72%74%65%59%49%57%76%84%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Marmara

As the year draws to a close, December in Marmara, Turkey, presents a low UV Index of 2, marking a significant drop from the very high levels observed in the summer months, where values soared to 10 in June and July. This trend reflects the natural ebb and flow of seasonal sunlight, allowing for a safer outdoor experience with a burn time of 45 minutes. In stark contrast, the earlier months of the year display a gradual increase in UV exposure, peaking in spring and summer. As temperatures cool and daylight shortens, it’s a perfect time to enjoy outdoor activities with less risk of UV-related harm. For further insights on UV exposure throughout the year, visit Marmara UV Index.

Maximum UV Index Levels in Marmara for December

The chart shows the monthly maximum UV Index (UVI) for Marmara 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 Marmara typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24789101098642
Data source: Marmara 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 Marmara

In Marmara, Turkey, December offers a gentle farewell to the year, wrapping up with 214 hours of sunshine. As the final month, it contrasts vividly with the sun-drenched peak of July, which basks in 428 hours of bright rays. The trend throughout the year clearly illustrates a shift from the cold depths of winter to the vibrant warmth of summer, with sunlight gradually increasing from a modest 164 hours in January to a flourishing 395 hours in May. This natural progression showcases the region's appealing climate, where December, despite its shorter days, still gifts visitors a substantial dose of sunshine, hinting at the anticipation of a new year ahead.

Monthly Sunshine Duration in Marmara: December Highlighted

The December sunshine duration represents the total number of hours Marmara 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h225h292h344h395h407h428h399h343h299h238h214h
Data source: Marmara December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Marmara During December

As December rolls into Marmara, Turkey, the likelihood of sunny weather remains relatively modest, with only a 34% chance of sunshine. This is a slight uptick from November's 30%, suggesting a minor shift towards brighter days as the year draws to a close. However, the sun’s presence pales in comparison to the summer months, where the chances soar to 84% in July and peak at 85% in August. As we transition through the autumn, the weather fluctuates, with October and November experiencing lower probabilities of sunlight. While December may not be the sunniest month, it still offers a glimmer of hope for those yearning for clear skies amid the winter chill.

Percentage of Sunny Days in December in Marmara

The chart illustrates the percentage of sunny days in Marmara 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 Marmara experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%41%45%47%58%66%84%85%63%42%30%34%
Data source: Marmara December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Marmara in December

As December unfolds in Marmara, Turkey, the daylight duration settles at 9 hours, mirroring the brief sunlight of November. This marks the end of the year with shorter days, characteristic of the winter season. The gradual shift from summer's 15 hours of daylight in June to the more limited exposure in December highlights a clear trend: daylight peaks during the longer days of late spring and early summer, then consistently dwindles as the year progresses to winter. This rhythmic cycle not only shapes the environment but also influences the local lifestyle, with residents embracing the cozy charm of shorter, darker days as they prepare for the approaching winter.

Average Daylight Hours in Marmara for December

The chart illustrates the variation in daylight duration in Marmara throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 37m10h 39m11h 57m13h 18m14h 26m15h14h 42m13h 42m12h 25m11h 4m9h 54m9h 18m
Data source: Marmara daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Marmara

As December settles over Marmara, the winds begin to dance with a renewed vigor, reaching an average speed of 4.8 m/s (11 mph). This uptick in wind speed follows the trend established in the preceding months, notably after the breezy peaks of October at 5.9 m/s (13 mph) and September at 5.3 m/s (12 mph). With the blustery winds of late autumn giving way to a gentle yet persistent winter breeze, December maintains a consistency reminiscent of earlier winter months. Intriguingly, the wind speed remains elevated compared to the calmer summer months, suggesting that while the seasons may change, Marmara's coastal winds continue to weave an energetic tapestry through the heart of winter.

Average December Wind Speed in Marmara

The chart displays monthly wind speed patterns in Marmara, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.84.23.73.72.54.74.65.35.94.54.8 m/s
Data source: Marmara December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Marmara Compares to Other Months

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

In December, temperatures range from a minimum of 2°C (36°F) to a pleasant average of 10°C (51°F), peaking at around 19°C (67°F). The month sees significant precipitation, totaling 101 mm (4.0 in) over approximately 13 days, accompanied by high humidity levels at 86%. In contrast, January experiences a sharper drop in temperatures, with a minimum of -5°C (24°F), an average of 7°C (45°F), and a maximum of 18°C (65°F). Interestingly, January also records similar precipitation of 101 mm (4.0 in), but over fewer days, specifically 11. Humidity in January is slightly higher at 87%, contributing to a colder overall feel. For more details on January weather conditions, you can check Marmara weather in January.

December weather showcases a mild climate with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 19°C (67°F), while averaging around 10°C (51°F). It experiences higher precipitation levels at 101 mm (4.0 in) over 13 days, coupled with humidity at 86%. In contrast, February brings a slight chill, with temperatures dipping to a minimum of -1°C (31°F), averaging 8°C (47°F), and peaking at 18°C (65°F). Precipitation decreases to 65 mm (2.6 in) across 11 days, and humidity remains slightly lower at 84%. For a more detailed look at February's weather, visit Marmara weather in February.

Comparing the weather in December and March highlights a gradual transition from the chill of winter to the early signs of spring. In December, temperatures range from a low of 2°C (36°F) to a high of 19°C (67°F), with an average of 10°C (51°F). The month is characterized by higher precipitation at 101 mm (4.0 in) over 13 days, coupled with a humidity level of 86%. In contrast, March sees a slight dip in minimum temperatures, reaching -2°C (29°F), but manages an average of 9°C (49°F) and a maximum of 20°C (68°F). Precipitation also decreases to 67 mm (2.6 in) over 11 days, while humidity drops to 81%. For more insights on March weather, check out Marmara weather in March.

December and April present contrasting weather patterns. In December, temperatures range from a minimum of 2°C (36°F) to a maximum of 19°C (67°F), with an average of 10°C (51°F). The month tends to be quite humid, with an average humidity of 86% and substantial precipitation of 101 mm (4.0 in) over 13 days. In contrast, April sees higher temperatures, ranging from a minimum of 5°C (42°F) to a more pleasant maximum of 23°C (73°F) and an average of 12°C (55°F). Precipitation drops significantly to 50 mm (2.0 in) over just 8 days, and humidity decreases to 72%. This transition from the wet and cooler December to the milder and drier April is a welcome sign of spring. For more details on April weather, visit Marmara weather in April.

In December, the weather is considerably cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 19°C (67°F), and an average of 10°C (51°F). This month sees significant rainfall, totaling 101 mm (4.0 in) over 13 wet days, combined with high humidity levels of 86%. In stark contrast, May brings warmer and more pleasant conditions, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 27°C (81°F), averaging around 18°C (64°F). Rainfall in May is notably lower at 44 mm (1.7 in), spread across just 7 days, and humidity also decreases to 74%. For more details on the weather in May, check out Marmara weather in May.

December and June present a stark contrast in weather conditions. In December, temperatures range from a chilly 2°C (36°F) to a mild 19°C (67°F), with an average of 10°C (51°F). The month sees considerable precipitation of 101 mm (4.0 in) over 13 days, accompanied by high humidity levels at 86%, creating a damp and cool atmosphere. In contrast, June boasts much warmer temperatures, peaking between 14°C (57°F) and 31°C (87°F), with an average of 23°C (73°F). Rainfall is significantly less in June, totaling just 36 mm (1.4 in) over 7 days, and the humidity drops to a more comfortable 65%. For more details about June weather in the region, you can explore Marmara weather in June.

December and July present stark contrasts in weather. In December, temperatures range from a chilly 2°C (36°F) at night to a mild 19°C (67°F) during the day, with an average of 10°C (51°F). The month sees significant precipitation, totaling 101 mm (4.0 in) over 13 days, coupled with high humidity at 86%. In comparison, July experiences much warmer conditions, with nighttime temperatures starting at 19°C (67°F) and peaking at a balmy 32°C (89°F), averaging 25°C (77°F). Rainfall is minimal in July, totaling only 32 mm (1.3 in) across just 3 days, and humidity drops to a comfortable 59%. For more detailed weather insights, check out Marmara weather in July.

December and August exhibit stark contrasts in weather. In December, temperatures range from a brisk minimum of 2°C (36°F) to a more moderate maximum of 19°C (67°F), with an average of 10°C (51°F). The month is characterized by higher precipitation levels of 101 mm (4.0 in) spread over 13 days, coupled with a high humidity of 86%. In contrast, August boasts much warmer conditions, with temperatures ranging from a minimum of 20°C (68°F) to a sweltering maximum of 33°C (92°F) and an average of 26°C (78°F). Additionally, August sees significantly less rainfall, with only 10 mm (0.4 in) over just one day, and humidity levels at a much drier 49%. For more detailed insights, check out Marmara weather in August.

The weather in December is significantly cooler and wetter compared to September. In December, temperatures range from a chilly 2°C (36°F) at night to a mild 19°C (67°F) during the day, with an average of 10°C (51°F). The month also sees considerable precipitation, totaling 101 mm (4.0 in) over 13 days, and the humidity remains high at 86%. In contrast, September boasts much warmer temperatures, with minimums of 14°C (58°F) and maximums reaching 30°C (87°F), averaging around 23°C (73°F). It is also much drier, with only 28 mm (1.1 in) of rain over just 4 days and a comfortable humidity rate of 57%. For more details on the weather during September, you can visit Marmara weather in September.

In comparing December and October weather, December experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 10°C (51°F), in stark contrast to October's warmer range, where temperatures can drop to a minimum of 10°C (50°F) and average around 18°C (64°F). Additionally, December is marked by heavier rainfall, totaling 101 mm (4.0 in) over 13 days, compared to October's 58 mm (2.3 in) across 9 days. The humidity in December is also significantly higher at 86%, whereas October enjoys a lower humidity level of 76%. For more details on October weather, you can visit Marmara weather in October.

In comparing the weather between November and December, December tends to be cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 19°C (67°F), while November enjoys milder conditions, with temperatures ranging from 6°C (43°F) to 24°C (76°F). Additionally, December experiences more precipitation, totaling 101 mm (4.0 in) over 13 days, compared to November's 59 mm (2.3 in) over 11 days. The humidity remains relatively high in both months, with December at 86% and November slightly lower at 84%. For more details about November's weather, you can visit Marmara weather in November.

Compare Marmara's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Marmara

As December unfolds in Marmara, the weather takes on a more chilly and damp demeanor compared to other months. With average temperatures hovering around 10°C (51°F), residents experience the transition into winter, marked by increased humidity levels of 86% and frequent rainfall, as evidenced by approximately 13 days of precipitation throughout the month. This contrasts sharply with the warmer, drier spells typical of earlier months. Though the peaks may reach a mild 19°C (67°F), the drop to a minimum of 2°C (36°F) serves as a brisk reminder that winter is well on its way. For a more detailed overview of the seasonal variations, visit Marmara Climate.