December Weather in Yalova, Turkey

Last updated: August 27, 2025

December in Yalova, Turkey brings a mild climate with maximum temperatures reaching up to 18°C (65°F), while the average settles around 9°C (49°F). Night temperatures can dip to a chilly 1°C (33°F), urging visitors to bundle up. This month sees significant rainfall, totaling 119 mm (4.7 in) over approximately 15 rainy days, contributing to the region's lush landscapes. With a high humidity level of 85%, December is a cozy yet damp time to explore Yalova’s natural beauty, making it perfect for those who appreciate a serene winter atmosphere.

December Temperature in Yalova

As December settles over Yalova, Turkey, a noticeable chill begins to replace the milder temperatures of autumn. With minimum temperatures dipping to around 1°C (33°F), the city embraces the winter season, showcasing a chilly charm. The average temperature hovers at a brisk 9°C (49°F), making it a perfect time for cozy sweaters and warm drinks. Daytime highs can reach a comfortable 18°C (65°F), offering a refreshing escape from the depths of winter. This gentle transition into colder weather, characterized by gradually falling temperatures from previous months, invites residents and visitors alike to enjoy the serene beauty of Yalova while preparing for the heart of winter ahead.

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

The chart illustrates December temperature patterns in Yalova, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yalova, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434547536370757671635649
Data source: Temperature data for Yalova 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 Yalova

In December, Yalova experiences a notable uptick in precipitation, with 119 mm (4.7 in) recorded over 15 days of rain, making it one of the wettest months of the year. This trend marks a significant increase from the drier summer months, with July and August only seeing 46 mm and 21 mm, respectively. As the year draws to a close, the transition from the milder fall months—October's 56 mm and November's 62 mm—to the heavier December downpours signals the onset of winter. The consistent rainfall not only revitalizes the vibrant landscape but also underscores Yalova’s distinctive seasonal shifts, as it embraces the colder, wetter climate of winter.

December Precipitation Trends in Yalova

The chart displays monthly precipitation patterns in Yalova, 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 Yalova, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10268864954484621375662119
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yalova

December in Yalova, Turkey, marks a notable increase in humidity, reaching 85%. This rise follows a gradual decline from the summer months, where humidity dipped to a comfortable 55% in August. As the seasons shift from summer to winter, the humidity trends reflect the onset of cooler temperatures. November, with its 82% humidity, sets the stage for December’s peak, creating a damp atmosphere that envelops the region. Despite the chill, humidity levels remain notably high, consistent with the early winter months. This persistent moisture in the air is a reminder of Yalova's temperate climate, offering a unique experience as the year concludes.

December Average Humidity in Yalova

This chart illustrates the average monthly humidity levels in Yalova, 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 Yalova is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%76%77%70%63%55%60%73%82%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yalova

As the year comes to a close in Yalova, Turkey, December brings a noticeable shift in UV exposure. With a UV Index of 2, categorized as low, sun-seekers can enjoy up to 45 minutes of safe sun without much risk of burning. This marks a significant decrease from the high levels observed during the summer months, where indices soared to 10. The trend shows a gradual decline from the peaks of spring and summer, providing a welcome reprieve for those sensitive to sun exposure. For more details on the UV levels you can expect throughout the year, visit Yalova UV Index.

Maximum UV Index Levels in Yalova for December

The chart shows the monthly maximum UV Index (UVI) for Yalova 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 Yalova typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101097642
Data source: Yalova 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 Yalova

In Yalova, Turkey, December offers a cozy transition into winter, with an average of 212 hours of sunshine. While the sun starts to set earlier than in the vibrant summer months, this isn't the end of delightful days. The trend reveals a gradual decrease in sunlight from the peak of 426 hours in July, tapering down through the autumn with November's 251 hours. Despite this reduction, December still shines brighter than January, where the year begins with a mere 162 hours. This gradual decline in daylight hours magnifies the warm, inviting atmosphere characteristic of Yalova during the holiday season, making it a unique time to enjoy the mild weather while embracing the charm of winter festivities.

Monthly Sunshine Duration in Yalova: December Highlighted

The December sunshine duration represents the total number of hours Yalova 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.
JanFebMarAprMayJunJulAugSepOctNovDec162h230h301h341h394h405h426h396h344h303h251h212h
Data source: Yalova December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yalova During December

In Yalova, Turkey, December brings a modest chance of sunshine, with about 32% of days likely to see sunny weather. As the year transitions towards winter, this figure reflects a dip compared to the sunnier months that precede it. Notably, the sunniest months occur in the heart of summer, peaking in July and August at 78% and 84% respectively, while late spring enjoys a more generous 59% in May. By December, however, the likelihood of clear skies has decreased considerably, continuing a downward trend that began in the fall as temperatures drop and clouds become more prevalent. While December may not be the brightest month in Yalova, the chance of encountering sunny spells still offers a glimmer of hope amidst the cooler weather.

Percentage of Sunny Days in December in Yalova

The chart illustrates the percentage of sunny days in Yalova 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 Yalova experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%43%38%41%59%62%78%84%60%51%42%32%
Data source: Yalova December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yalova in December

In Yalova, Turkey, the daylight duration paints a vivid picture of seasonal change throughout the year. As winter sets in, December brings a return to 9 hours of daylight, mirroring the shorter days of January and November. This marks a significant contrast to the sun-drenched 15 hours of light enjoyed in June, the peak of summer. From early spring's gradual increase of 11 hours in March to the lush 14 hours of May, the transition showcases nature awakening and thriving. However, just as summer sunsets usher in longer evenings, the daylight duration tapers down in the fall, leading to the cozy, shorter days characteristic of winter. Thus, Yalova’s daylight journey reflects the cyclical rhythms of nature, inviting residents and visitors alike to appreciate both the bright and shadowed moments.

Average Daylight Hours in Yalova for December

The chart illustrates the variation in daylight duration in Yalova throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 36m10h 38m11h 57m13h 18m14h 28m15h 2m14h 44m13h 43m12h 25m11h 4m9h 53m9h 16m
Data source: Yalova daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Yalova

As December ushers in the chill of winter in Yalova, Turkey, the average wind speed picks up slightly to 3.9 m/s (9 mph), marking a notable transition from the milder breezes of the earlier months. While the year begins with January's gentle 3.5 m/s, it witnesses a gradual increase through the months, peaking in October at 4.1 m/s before settling into December's brisk currents. This trend highlights a consistent pattern of increasing wind speeds from late summer to winter, suggesting that as the year draws to a close, the air carries a refreshing chill, invigorating both the landscapes and the locals alike. The winds of December not only herald the onset of colder weather but also hint at the dynamic climatic shifts that characterize Yalova’s seasonal rhythm.

Average December Wind Speed in Yalova

The chart displays monthly wind speed patterns in Yalova, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.83.73.33.22.53.53.64.04.13.53.9 m/s
Data source: Yalova December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Yalova Compares to Other Months

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

In December, the weather in Yalova is generally milder, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 18°C (65°F) and an average of 9°C (49°F). The month sees significant rainfall, with 119 mm (4.7 in) over approximately 15 days, leading to high humidity levels at 85%. In contrast, January experiences cooler temperatures, with a minimum of -4°C (25°F) and an average of 6°C (43°F), although the maximum can still reach 17°C (63°F). Precipitation decreases slightly to 102 mm (4.0 in) over about 13 days, with humidity slightly lower at 84%. For more detailed insights, you can visit Yalova weather in January.

In December, temperatures in Yalova range from a minimum of 1°C (33°F) to a maximum of 18°C (65°F), with an average temperature of 9°C (49°F). The month sees considerable rainfall, totaling 119 mm (4.7 in) over about 15 days, accompanied by high humidity levels at 85%. In contrast, February experiences colder temperatures, with lows dipping to -3°C (27°F) and an average of 7°C (45°F), while still reaching up to 18°C (65°F). Precipitation decreases to 68 mm (2.7 in) over 11 days, and humidity slightly decreases to 84%. For more details on the weather in February, visit Yalova weather in February.

In December, the weather tends to be milder with average temperatures ranging from 1°C (33°F) at its lowest to a maximum of 18°C (65°F). The month sees significant precipitation, averaging 119 mm (4.7 in) over about 15 days, while humidity remains high at 85%. In contrast, March experiences a slightly cooler minimum temperature of -3°C (27°F) but can reach up to 20°C (68°F), with an average temperature of 8°C (47°F). Precipitation during this month is lower, totaling 86 mm (3.4 in) across approximately 12 days, and the humidity is slightly less at 83%. For more detailed insights, you can check Yalova weather in March.

In December, Yalova experiences cooler temperatures ranging from a minimum of 1°C (33°F) to a maximum of 18°C (65°F), with an average of 9°C (49°F). This month also sees a significant amount of precipitation, totaling 119 mm (4.7 in) over approximately 15 days, accompanied by high humidity levels at 85%. In contrast, April brings milder weather, with temperatures starting at a minimum of 4°C (39°F) and reaching up to 24°C (75°F), averaging 12°C (53°F). Precipitation decreases to 49 mm (1.9 in) over just 9 days, and humidity drops to 76%. For more detailed insights, you can check Yalova weather in April.

In December, Yalova experiences cooler temperatures, with a minimum of 1°C (33°F) and an average of 9°C (49°F), peaking at 18°C (65°F). The month is characterized by relatively high humidity at 85% and significant precipitation, totaling 119 mm (4.7 inches) over 15 days. In contrast, May brings a significant warm-up, with temperatures ranging from a minimum of 8°C (47°F) to an average of 17°C (63°F) and a maximum of 29°C (84°F). The weather in May is generally drier, with only 54 mm (2.1 inches) of rainfall distributed over 8 days and a lower humidity level of 77%. For more detailed insights, you can check Yalova weather in May.

December and June exhibit stark contrasts in weather conditions. December features cooler temperatures, with a minimum of 1°C (33°F) and an average of 9°C (49°F), while June enjoys warmer temperatures, boasting a minimum of 13°C (55°F) and an average of 21°C (71°F). Precipitation is notably higher in December with 119 mm (4.7 in) over 15 days, compared to June's 48 mm (1.9 in) spread over just 8 days. Additionally, humidity levels are higher in December at 85%, compared to June's more comfortable 70%. For more information, you can check the weather details at Yalova weather in June.

In December, the weather is significantly cooler, with average temperatures ranging from a chilly 1°C (33°F) to a mild 18°C (65°F). This month sees a higher level of precipitation, totaling 119 mm (4.7 in) over 15 days, combined with humidity levels around 85%, making it feel more damp and overcast. In contrast, July boasts much warmer conditions, with temperatures averaging between 17°C (64°F) and a scorching 34°C (93°F). The summer month experiences less rain, with only 46 mm (1.8 in) over just 5 days, and a lower humidity of 63%, creating a much drier and sunnier atmosphere. For more details, you can check out Yalova weather in July.

The weather in December contrasts sharply with that of August in Yalova. In December, temperatures range from a chilly 1°C (33°F) at night to a mild 18°C (65°F) during the day, with an average of 9°C (49°F). The month is characterized by significant precipitation, totaling 119 mm (4.7 in) over approximately 15 days, along with high humidity at 85%. In stark contrast, August enjoys much warmer temperatures, with a minimum of 18°C (64°F) and a maximum of 34°C (93°F), averaging 24°C (76°F). Rainfall is minimal in August, with only 21 mm (0.8 in) recorded over just two days, and the humidity drops to a more comfortable 55%. For a detailed look at what to expect, visit Yalova weather in August.

When comparing the weather in December and September, notable differences emerge. December typically experiences cooler temperatures, with a minimum of 1°C (33°F) and an average of 9°C (49°F), peaking at 18°C (65°F). In contrast, September is much warmer, boasting minimum temperatures around 13°C (55°F) and averages of 22°C (71°F), reaching highs of 33°C (92°F). Additionally, December is significantly wetter, receiving about 119 mm (4.7 in) of precipitation over 15 days, while September has a much drier climate with only 37 mm (1.4 in) of rain over just 5 days. The humidity also varies greatly, with December exhibiting a high of 85%, compared to September's lower humidity level of 60%. For more details, you can check Yalova weather in September.

When comparing the weather in December to that of October, it's clear that December experiences significantly cooler temperatures, with average highs reaching only 18°C (65°F) compared to October's more comfortable highs of 29°C (85°F). While October enjoys relatively mild conditions with minimum temperatures around 9°C (49°F), December drops to a chilly 1°C (33°F) at night. Additionally, December is much wetter, with 119 mm (4.7 in) of precipitation over 15 days, compared to October's 56 mm (2.2 in) over just 8 days. Humidity levels are also higher in December at 85%, compared to October's 73%. For more details about October weather, you can refer to Yalova weather in October.

In comparing the weather of November and December, December tends to be cooler with a minimum temperature of 1°C (33°F) compared to November's milder minimum of 6°C (43°F). While November enjoys an average temperature of 13°C (56°F) and a maximum of 23°C (73°F), December's averages are significantly lower, ranging from 9°C (49°F) to a maximum of 18°C (65°F). Additionally, December experiences more precipitation, with 119 mm (4.7 in) over 15 days, while November sees less with 62 mm (2.5 in) over 10 days. Humidity is also slightly higher in December at 85% compared to November’s 82%. For those interested in specifics, you can check Yalova weather in November.

Compare Yalova's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Yalova

December in Yalova marks a distinct transition in weather, bringing cooler temperatures and a significant increase in precipitation. As the mercury dips, you can expect the charming coastal town to be cloaked in a blanket of moisture, with humidity levels reaching an impressive 85%. This month stands out due to its frequent rain, occurring on about half of December days, which is notably higher than the drier, sunnier months that precede it. While daytime highs can still reach a pleasant 18°C, the average chill sets a brisk tone, nudging residents and visitors alike to cozy up indoors or indulge in the beauty of the lush, rain-soaked landscapes. For those interested in exploring more about Yalova's seasonal shifts, check out Yalova Climate.