December Weather in Marmaris, Turkey

Last updated: August 27, 2025

December in Marmaris, Turkey offers a mild yet occasionally rainy climate, perfect for those seeking a serene escape during the winter months. Temperatures range from a comfortable 20°C (68°F) at their peak to a cooler 8°C (47°F) at night, with an average of 15°C (59°F). Visitors can expect a notable precipitation amount of 283 mm (11.1 in) across 17 days, creating a lush atmosphere. With humidity levels at a high 84%, the air is crisp yet inviting, making December a uniquely charming time to experience the coastal beauty of Marmaris.

December Temperature in Marmaris

In December, Marmaris, Turkey experiences a gentle transition from the milder autumn weather to the cooler winter months. With minimum temperatures around 8°C (47°F) and an average of 15°C (59°F), the climate is still relatively mild compared to many other destinations. Daytime highs can reach up to 20°C (68°F), making it a comfortable time for outdoor activities, though evenings can feel brisk. This month showcases an intriguing trend as temperatures begin to dip, yet remain warmer than in the depths of winter, inviting visitors to explore the scenic coastline without the summer crowds. Overall, December in Marmaris is marked by a blend of fresh air and delightful sunshine, creating a charming atmosphere for both relaxation and adventure.

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

The chart illustrates December temperature patterns in Marmaris, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marmaris, 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).
JanFebMarAprMayJunJulAugSepOctNovDec555757626975818279726659
Data source: Temperature data for Marmaris 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 Marmaris

December in Marmaris, Turkey, marks a significant uptick in precipitation, with an impressive 283 mm (11.1 in) falling over 17 days. This surge is notably greater than both the preceding months and the quiet summer, showcasing a stark contrast to July and August, which see virtually no rain. As temperatures cool and winter approaches, December becomes the wettest month of the year, following November's substantial 167 mm (6.6 in). The trend suggests that while summer months are dry and warm, the onset of winter ushers in a more temperate, yet wetter climate, perfect for those who appreciate the lush landscapes that follow the rain.

December Precipitation Trends in Marmaris

The chart displays monthly precipitation patterns in Marmaris, 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 Marmaris, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec249120964314711392167283
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Marmaris

December in Marmaris, Turkey, marks a noticeable shift in humidity, with levels rising to 84%, making it one of the more humid months of the year. This increase follows a trend observed from November’s 78%, reflecting the approach of winter when the air becomes heavier and more saturated. Interestingly, the summer months show a stark contrast, with humidity plunging to its lowest at 43% in August, revealing a seasonal cycle that emphasizes the region’s warm, dry summers and damp winters. As the year comes to a close, visitors can expect a crisp, refreshing atmosphere that marks the charm of Marmaris’ winter season.

December Average Humidity in Marmaris

This chart illustrates the average monthly humidity levels in Marmaris, 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 Marmaris is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%80%72%73%66%52%43%49%68%78%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Marmaris

In Marmaris, Turkey, the UV Index in December dips to 3, categorizing the exposure as moderate, which is akin to the levels observed in January and November. With a burn time of about 30 minutes, sun safety remains important, but the risk is significantly lower than in the peak summer months where the index soared to extremes of 11 in June. This trend indicates a gradual decline from the higher values seen in the spring and summer, providing a gentler sun exposure during winter. To explore more about UV Index patterns throughout the year in Marmaris, check the details here: Marmaris UV Index.

Maximum UV Index Levels in Marmaris for December

The chart shows the monthly maximum UV Index (UVI) for Marmaris 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 Marmaris typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108743
Data source: Marmaris 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 Marmaris

December in Marmaris, Turkey, offers a charming closure to the year, with 264 hours of sunshine illuminating the winter landscape. While this month marks a slight dip from the vibrant brightness of the summer peak in July, which boasts 421 hours, it still stands comfortably above the early winter months of January and November, suggesting that sunshine remains a delightful feature even as the year winds down. As the seasons shift, the trend reveals a gradual decrease in daylight hours from the summer’s highs to the cozy comfort of December, with the allure of warm, sunny days keeping the spirit of the Mediterranean alive amidst the cooling temperatures. Visitors can relish in the mild climate and stunning views, making December an inviting time to experience Marmaris's natural beauty.

Monthly Sunshine Duration in Marmaris: December Highlighted

The December sunshine duration represents the total number of hours Marmaris 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.
JanFebMarAprMayJunJulAugSepOctNovDec214h269h333h355h400h407h421h395h348h325h276h264h
Data source: Marmaris December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Marmaris During December

December in Marmaris, Turkey, sees a 47% chance of sunny weather, marking a noticeable dip compared to the sun-soaked summer months, which boast probabilities as high as 99% in August. As the year draws to a close, the likelihood of sunshine gently declines, following the typical trend of decreasing daylight and warmer temperatures. This transitional period hints at the onset of winter, yet December still offers a fair chance of clear skies. While May through October showcases the region's basking beauty, with probabilities consistently above 70%, December's sun chances provide a crisp, invigorating backdrop perfect for exploring Marmaris's stunning landscapes without the summer crowds.

Percentage of Sunny Days in December in Marmaris

The chart illustrates the percentage of sunny days in Marmaris 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 Marmaris experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%70%68%59%81%93%97%99%97%79%55%47%
Data source: Marmaris December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Marmaris in December

In Marmaris, Turkey, the daylight duration exhibits a captivating seasonal rhythm. Beginning the year in January with a modest 9 hours of daylight, the days gradually lengthen, reaching a peak of 14 hours in both May and June. This extended brightness supports the vibrant summer atmosphere that Marmaris is known for. As the summer fades, a gentle decline occurs, with daylight tapering off to 13 hours in August and gradually descending to 9 hours again by December. This cyclical pattern not only highlights the region's transition through the seasons but also enriches visitors' experiences, providing ample opportunity to bask in the sun's warmth during the longer days of spring and summer.

Average Daylight Hours in Marmaris for December

The chart illustrates the variation in daylight duration in Marmaris throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 56m10h 50m11h 58m13h 8m14h 8m14h 37m14h 22m13h 30m12h 22m11h 12m10h 11m9h 39m
Data source: Marmaris daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Marmaris

In Marmaris, Turkey, December ushers in a refreshing shift with an average wind speed of 5.3 m/s (12 mph), mirroring the breezy conditions of January and June. This notable uptick contrasts with the lighter winds felt in the late autumn months of October and November, which lingered around 3.6 to 3.7 m/s (8 mph). As the year draws to a close, the invigorating gales of December not only signal the arrival of winter but also enhance the charming ambiance of this coastal gem, inviting both locals and visitors to embrace the outdoors. With a consistent pattern of wind speeds returning to higher levels, Marmaris remains a captivating destination where the cool December breeze adds a delightful touch to the picturesque landscape.

Average December Wind Speed in Marmaris

The chart displays monthly wind speed patterns in Marmaris, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.34.94.85.04.55.34.44.94.63.63.75.3 m/s
Data source: Marmaris December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Marmaris Compares to Other Months

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

In December, the weather tends to be milder with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 20°C (68°F). The month is quite rainy, with a total precipitation of 283 mm (11.1 in) over 17 days and humidity levels peaking at 84%. In contrast, January is slightly cooler with temperatures dipping to a minimum of 4°C (39°F) and an average of 13°C (55°F), while the maximum reaches 19°C (67°F). Precipitation decreases to 249 mm (9.8 in) over 14 days, accompanied by a comparable humidity level of 83%. For more details on January weather in Marmaris, you can check out Marmaris weather in January.

December weather showcases relatively mild temperatures, with an average of 15°C (59°F) and a maximum reaching 20°C (68°F). However, it is also characterized by significant rainfall, experiencing 283 mm (11.1 in) over 17 days, resulting in a high humidity level of 84%. In contrast, February presents slightly cooler temperatures, with a minimum of 4°C (40°F) and an average of 14°C (57°F), yet it maintains the same maximum of 20°C (69°F). Precipitation is notably lower at 120 mm (4.7 in) across just 12 days, contributing to a somewhat drier atmosphere with 81% humidity. For a detailed overview of February weather, you can check out Marmaris weather in February.

In December, the weather tends to be milder with average temperatures ranging from 8°C (47°F) to a high of 20°C (68°F). However, this month is also characterized by significant rainfall, averaging 283 mm (11.1 in) over 17 days, which contributes to a high humidity level of 84%. In contrast, March shows a slight drop in minimum temperatures, with lows around 4°C (39°F) and similar highs reaching 20°C (69°F). Precipitation is markedly lower in March, totaling 96 mm (3.8 in) over just 8 days, and humidity decreases slightly to 80%. For a more detailed overview of March weather, visit Marmaris weather in March.

In December, the weather is relatively mild, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 20°C (68°F), averaging around 15°C (59°F). This month also experiences significant rainfall, totaling 283 mm (11.1 in) over 17 days, coupled with high humidity levels at 84%. In contrast, April brings warmer conditions, with temperatures ranging from a low of 9°C (49°F) to a high of 23°C (74°F) and an average temperature of 17°C (63°F). April is much drier, with only about 43 mm (1.7 in) of rainfall spread over just 5 days, and the humidity decreases to 72%. For more detailed information, especially for travel plans, check out Marmaris weather in April.

In December, the weather is much cooler and wetter, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 20°C (68°F). During this month, residents can expect significant rainfall, averaging 283 mm (11.1 in) over about 17 days, accompanied by high humidity levels of 84%. In contrast, May brings a noticeable warming trend, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 29°C (84°F) and considerably less precipitation, averaging just 14 mm (0.6 in) over only 3 days. The humidity also decreases to 73%, making May a more pleasant and dry month. For more details on May weather, visit Marmaris weather in May.

December and June present notably different weather conditions. In December, temperatures typically range from a cool 8°C (47°F) at night to a mild 20°C (68°F) during the day, accompanied by high humidity levels of 84%. Additionally, the month sees significant rainfall, with about 283 mm (11.1 in) spread over 17 days, making it one of the wetter months. In contrast, June boasts much warmer weather, with temperatures ranging from a comfortable 17°C (63°F) at night to a sunny maximum of 31°C (88°F). Precipitation is minimal, with only 7 mm (0.3 in) expected over just 2 days, and humidity levels are lower at 66%. For a deeper look into the pleasant June weather, check out Marmaris weather in June.

In December, temperatures in the region are notably cooler, with daily averages ranging from a low of 8°C (47°F) to a high of 20°C (68°F). The month also sees significant rainfall, accumulating to 283 mm (11.1 inches) over approximately 17 days, and maintaining a high humidity level of 84%. In contrast, July experiences much warmer weather, with minimum temperatures starting at 22°C (72°F) and soaring to an average of 27°C (81°F) and a maximum of 34°C (93°F). Remarkably, July sees minimal precipitation, with only 1 mm recorded on 0 days, and the humidity drops to a comfortable 52%. For more detailed information about the weather in July, you can visit Marmaris weather in July.

December and August present strikingly different weather conditions. In December, temperatures are mild, ranging from a minimum of 8°C (47°F) to a maximum of 20°C (68°F), with an average temperature of around 15°C (59°F). The month experiences considerable precipitation, totaling 283 mm (11.1 in) over 17 days, accompanied by high humidity at 84%. In contrast, August is characterized by warm to hot temperatures, with a minimum of 24°C (76°F) and a maximum of 36°C (96°F), averaging 28°C (82°F). This month is remarkably dry, receiving only 1 mm (0.1 in) of rain with no precipitation days and lower humidity at 43%. For more insights, check out Marmaris weather in August.

December and September present strikingly different weather conditions. In December, temperatures range from a cool 8°C (47°F) to a mild maximum of 20°C (68°F), accompanied by significant rainfall totaling 283 mm (11.1 in) over 17 days, contributing to high humidity levels of 84%. Conversely, September boasts much warmer temperatures, with a minimum of 19°C (67°F) and a peak reaching 31°C (89°F), while enjoying an almost entirely dry month with just 3 mm (0.1 in) of precipitation and no rainy days, resulting in a comfortable humidity of 49%. For more details about September's weather, you can refer to Marmaris weather in September.

In comparing December and October weather, notable differences emerge in both temperature and precipitation. October experiences milder temperatures with a minimum of 13°C (56°F) and an average high of 29°C (84°F), making it significantly warmer than December, which boasts a minimum of 8°C (47°F) and an average maximum of 20°C (68°F). Additionally, October is characterized by much lower precipitation, receiving only 92 mm (3.6 in) over just 5 days, while December sees a substantial increase, with 283 mm (11.1 in) of rain spread over 17 days. Humidity levels also vary, with October at 68% compared to December's 84%. For a closer look at October's weather specifics, you can check Marmaris weather in October.

In November, the weather is generally warmer and drier compared to December. With an average temperature of 19°C (66°F) and a maximum of 25°C (76°F), November experiences a comfortable climate, while December sees a drop in temperatures, averaging around 15°C (59°F) and peaking at 20°C (68°F). Additionally, November receives significantly less precipitation, totaling 167 mm (6.6 in) over just 8 days, while December sees a much wetter pattern with 283 mm (11.1 in) across 17 days. The humidity also slightly increases from 78% in November to 84% in December, further contributing to the overall perception of December as a more humid and rainier month. For more details, check out Marmaris weather in November.

Compare Marmaris's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Marmaris

As December unfolds in Marmaris, the weather takes on a distinct character, marked by cooler temperatures and increased precipitation. Unlike the warm summer months, the average temperature dips to a mild 15°C (59°F), offering a refreshing respite for visitors who enjoy a more temperate climate. The month is notably humid, with an average of 84%, and experiences about 17 days of rainfall, totaling around 283 mm (11.1 in). This shift can make December a unique time to explore the natural beauty of Marmaris, where the vibrant landscapes come alive under the moody winter skies. For a deeper understanding of what to expect throughout the year, check out the detailed insights in Marmaris Climate.