December Weather in Ayvalik, Turkey

Last updated: August 27, 2025

In December, Ayvalik, Turkey experiences a mild yet moist climate, with daily temperatures ranging from a comfortable maximum of 19°C (66°F) to a cool minimum of 4°C (40°F). The average temperature settles around 12°C (54°F), making this an ideal time for those who enjoy brisk weather. However, be prepared for the occasional rain, as the area sees about 200 mm (7.9 in) of precipitation over approximately 16 days, contributing to a high humidity level of 85%. This blend of cool temperatures and significant rainfall creates a distinct atmosphere, perfect for exploring the charming coastal town's rich history and stunning landscapes.

December Temperature in Ayvalik

As December settles over Ayvalik, Turkey, temperatures begin to reflect the chill of winter, with minimums dipping to around 4°C (40°F). The average temperature for the month hovers at a comfortable 12°C (54°F), providing a mild backdrop for the season. With maximums reaching up to 19°C (66°F), December offers a pleasant climate, especially in comparison to the more extreme conditions found in the earlier winter months of January and February. This transition into winter is marked by a gradual decline in temperatures from the milder late fall months, creating a cozy atmosphere that invites locals and visitors alike to enjoy the beautiful coastal scenery, perhaps with a warm drink in hand. Overall, December in Ayvalik embodies a gentle shift into winter, making it an ideal time to explore the town's scenic charm.

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

The chart illustrates December temperature patterns in Ayvalik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ayvalik, 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).
JanFebMarAprMayJunJulAugSepOctNovDec495153586673777873665954
Data source: Temperature data for Ayvalik 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 Ayvalik

December in Ayvalik, Turkey, marks a significant uptick in precipitation, with 200 mm (7.9 in) of rain recorded over 16 days, making it one of the wettest months of the year. This surge follows the gradual decline in rainfall during the warmer months, culminating in nearly double the precipitation of October and a stark contrast to the dry summer months of July and August, which see virtually no rain. As temperatures begin to cool, this increase not only revitalizes the lush landscape but also signals the transition into a wetter winter season. The consistent rainfall in December sets the stage for the following months, where precipitation gradually tapers off, yet remains notably higher than in spring and summer.

December Precipitation Trends in Ayvalik

The chart displays monthly precipitation patterns in Ayvalik, 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 Ayvalik, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec193113895428172045793200
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ayvalik

In December, Ayvalik, Turkey experiences a notable rise in humidity, reaching 85% as the year comes to a close. This increase reflects a consistent seasonal trend, as humidity levels begin to swell after the dryer summer months, peaking again in the cooler winter season. The contrast is striking; July and August see the lowest humidity at just 57% and 49% respectively, while the transition through fall, highlighted by November's 82%, culminates in December's high. This steady climb and subsequent peak serve as a reminder of the region's dynamic weather patterns, capturing the essence of winter's embrace in this charming coastal town.

December Average Humidity in Ayvalik

This chart illustrates the average monthly humidity levels in Ayvalik, 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 Ayvalik is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%81%75%74%67%57%49%56%74%82%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ayvalik

In Ayvalik, Turkey, the UV Index experiences a notable decline as the year comes to a close. December sees a UV Index of 3, categorized as moderate, which is consistent with the lower levels observed in January and November. This seasonal trend signifies a transition from the intense levels of UV exposure during the summer months, where indexes peaked at 10 in July and August. As we approach winter, the burn time also increases from a mere 15 minutes in the height of summer to 30 minutes in December, allowing for a safer outdoor experience. These moderate conditions pose less risk, encouraging residents and visitors to enjoy the crisp winter air without the intense sun exposure. For detailed information, check out the Ayvalik UV Index.

Maximum UV Index Levels in Ayvalik for December

The chart shows the monthly maximum UV Index (UVI) for Ayvalik 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 Ayvalik typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347891010108643
Data source: Ayvalik 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 Ayvalik

In Ayvalik, Turkey, December greets visitors with a delightful farewell to the year, offering 242 hours of sunlight. As the days shorten, this enchanting coastal town still enjoys a decent amount of sunshine compared to the winter months that precede it. Following the radiant peaks of summer, where July boasts an impressive 429 hours, the transition into winter reveals a gradual decrease in daylight hours. From the bright glare of the summer sun to the softer winter glow, December showcases a cozy charm that invites exploration of its pristine landscapes and rich culture. With light slowly waning towards January's 188 hours, December serves as a gentle reminder of the warmth that awaits as the seasons cycle anew.

Monthly Sunshine Duration in Ayvalik: December Highlighted

The December sunshine duration represents the total number of hours Ayvalik 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h254h326h351h402h413h429h399h349h319h265h242h
Data source: Ayvalik December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ayvalik During December

In December, Ayvalik, Turkey, experiences a moderate chance of sunny weather, with a likelihood of 37%. This marks a significant decline compared to the sunniest months of summer, where the chances soar to a remarkable 94% in July and 97% in August. As autumn transitions into winter, the likelihood of sunshine dips, following a pattern seen in November at 48% and earlier months in the year. While December may not bask in the warm rays of the sun as intensely as the peak summer months, there are still glimpses of brightness to be enjoyed in this charming coastal town.

Percentage of Sunny Days in December in Ayvalik

The chart illustrates the percentage of sunny days in Ayvalik 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 Ayvalik experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%54%56%53%70%82%94%97%83%73%48%37%
Data source: Ayvalik December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ayvalik in December

As the year unfolds in Ayvalik, Turkey, the daylight duration exhibits a captivating rhythm, peaking in the vibrant summer months. Starting with 9 hours of daylight in January and December, the days gradually lengthen toward a maximum of 14 hours in both June and July. However, as autumn descends, daylight gently recedes, waning back to 10 hours in November and returning to its early winter state of 9 hours by December. This pattern not only highlights the allure of longer days in the heart of summer but also the cozy embrace of the winter season, where shorter days invite reflection and tranquility amid the serene landscapes of Ayvalik.

Average Daylight Hours in Ayvalik for December

The chart illustrates the variation in daylight duration in Ayvalik throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 44m10h 42m11h 57m13h 15m14h 20m14h 52m14h 35m13h 38m12h 24m11h 7m10h9h 26m
Data source: Ayvalik daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ayvalik

As December sweeps into Ayvalik, Turkey, the brisk wind picks up with an average speed of 6.9 m/s (15 mph), a refreshing shift from the tranquility of summer months. This uptick is a gentle reminder that winter is approaching, as the winds grow stronger compared to the calmer spells of June and May, which see averages of 3.7 m/s (8 mph) and 4.1 m/s (9 mph), respectively. Although the wind speeds peak in the earlier months of the year, with January boasting 7.1 m/s (16 mph), December showcases a delightful resilience, bridging the transition from autumn to winter. The consistent wind speeds from November through December signal a steady rhythm, inviting both locals and visitors to enjoy the coastal charm of Ayvalik wrapped in the invigorating embrace of the December breeze.

Average December Wind Speed in Ayvalik

The chart displays monthly wind speed patterns in Ayvalik, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.16.65.54.84.13.75.44.85.75.75.76.9 m/s
Data source: Ayvalik December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ayvalik Compares to Other Months

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

December and January in Ayvalik showcase notable shifts in weather conditions. While December enjoys a milder average temperature of 12°C (54°F) with maximums reaching up to 19°C (66°F), January introduces colder averages, with a minimum plunging to -3°C (28°F) despite still hitting a maximum of 18°C (65°F). Precipitation is slightly less in January, with 193 mm (7.6 in) over 13 days compared to December’s 200 mm (7.9 in) spread over 16 days, and humidity remains fairly high in both months at around 85% and 84%, respectively. For more detailed insights about January's weather in Ayvalik, visit Ayvalik weather in January.

In December, the weather tends to be milder, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 19°C (66°F) and an average of 12°C (54°F). The month experiences significant precipitation, totaling around 200 mm (7.9 in) over 16 days, contributing to a high humidity level of 85%. In contrast, February sees cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 17°C (63°F), averaging 10°C (51°F). The precipitation in February is also lower, at 113 mm (4.4 in) over just 11 days, and the humidity slightly decreases to 83%. For more details about February's weather, you can check Ayvalik weather in February.

In December, the weather is characterized by relatively mild temperatures with a minimum of 4°C (40°F) and an average of 12°C (54°F), reaching a maximum of 19°C (66°F). This month experiences frequent rainfall, with about 200 mm (7.9 in) of precipitation spread over 16 days, contributing to a high humidity level of 85%. In contrast, March brings slightly cooler temperatures, with a minimum of 1°C (33°F) and an average of 11°C (53°F), peaking at 18°C (65°F). Precipitation decreases significantly to 89 mm (3.5 in) over just 10 days, resulting in a marginally lower humidity of 81%. For more detailed insights into March weather, you can visit Ayvalik weather in March.

In December, the weather tends to be cooler and wetter, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 19°C (66°F) and an average of 12°C (54°F). This month experiences significant precipitation, totaling 200 mm (7.9 in) over 16 days, along with high humidity levels of 85%. In contrast, April brings a noticeable warming trend, with temperatures ranging from 7°C (45°F) to 25°C (77°F), averaging 15°C (58°F). Rainfall is significantly reduced, with only 54 mm (2.1 in) over 6 days and a lower humidity of 75%. For more details, you can check this link: Ayvalik weather in April.

December and May present contrasting weather experiences. In December, temperatures range from a chilly 4°C (40°F) to a mild 19°C (66°F), with an average of 12°C (54°F). This month is characterized by high humidity at 85% and considerable rainfall, totaling 200 mm (7.9 in) over about 16 days, resulting in a damp and cool environment. In stark contrast, May boasts a significantly warmer climate, with temperatures starting at a minimum of 12°C (54°F) and peaking at 29°C (84°F), averaging around 19°C (67°F). Precipitation is minimal in May, totaling only 28 mm (1.1 in) over just 4 days, and humidity levels drop to a more comfortable 74%. For a closer look at the pleasant conditions in May, check out Ayvalik weather in May.

When comparing the weather in December and June, a significant shift in temperatures and conditions is evident. December often sees cooler temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 19°C (66°F), with an average of 12°C (54°F). It also experiences considerable precipitation, totaling around 200 mm (7.9 in) over approximately 16 days, along with high humidity at 85%. In contrast, June brings much warmer weather, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 31°C (87°F) and an average of 23°C (73°F). Rainfall is minimal in June, averaging just 17 mm (0.7 in) over 2 days, and the humidity decreases to 67%. For more details on what to expect, check out Ayvalik weather in June.

December and July present starkly contrasting weather conditions. In December, temperatures range from a chilly 4°C (40°F) at night to a mild 19°C (66°F) during the day, with an average temperature of 12°C (54°F). This month also experiences significant rainfall, with around 200 mm (7.9 in) of precipitation over 16 days, contributing to a high humidity level of 85%. In contrast, July boasts much warmer temperatures, with lows of 19°C (67°F) and highs reaching up to 31°C (88°F), averaging 25°C (78°F). Remarkably, July sees almost no precipitation, with only 2 mm (0.1 in) recorded over the entire month and humidity falling to a comfortable 57%. For more details, you can refer to Ayvalik weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures range from a chilly minimum of 4°C (40°F) to a comfortable average of 12°C (54°F), with highs reaching up to 19°C (66°F). This month is characterized by significant rainfall, totaling around 200 mm (7.9 in) over 16 days, coupled with high humidity levels at 85%. In contrast, August boasts much warmer temperatures, with a minimum of 20°C (68°F) and an average of 25°C (78°F), peaking at 31°C (88°F). Remarkably, August is dry, receiving no precipitation at all, and the humidity is considerably lower at 49%. For more details, check out Ayvalik weather in August.

In December, the weather is significantly cooler and wetter compared to September. While December sees average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 19°C (66°F), September boasts a much warmer climate with averages between 15°C (59°F) and 29°C (85°F). Additionally, December experiences substantial rainfall, with 200 mm (7.9 in) over 16 days, whereas September enjoys a much drier atmosphere with only 4 mm (0.2 in) of precipitation across just one day. The humidity is also higher in December at 85%, compared to September's more comfortable 56%. For more details on September weather, you can check Ayvalik weather in September.

December weather is markedly cooler and wetter than October. While October enjoys mild temperatures with averages around 19°C (66°F) and maximums reaching 28°C (83°F), December's average temperature drops to 12°C (54°F), with highs of only 19°C (66°F) and lows of 4°C (40°F). In terms of precipitation, December experiences significantly more rain, receiving about 200 mm over 16 days compared to only 57 mm in just 5 days in October. The humidity also rises in December, reaching 85%, compared to October's 74%. For more detailed insights, check out Ayvalik weather in October.

December weather is notably cooler and wetter compared to November. The minimum temperature in December drops to 4°C (40°F), while November sees a milder minimum of 8°C (47°F). Averaging at 12°C (54°F), December’s temperatures are also lower than November’s average of 15°C (60°F). Additionally, December experiences significantly higher precipitation, with 200 mm (7.9 in) over 16 days, while November has just 93 mm (3.7 in) over 8 days. Humidity levels remain relatively high in both months, with December at 85% and November at 82%. For more detailed insights, visit Ayvalik weather in November.

Compare Ayvalik's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ayvalik

As December unfolds in Ayvalik, the weather begins to shift significantly from the milder autumn months. With temperatures dipping to a maximum of 19°C and a minimum of 4°C, the air takes on a crisp quality that invites cozy gatherings and warm drinks. This month also sees an increase in precipitation, with around 200 mm falling over approximately 16 days, adding a refreshing vibrancy to the landscape. The 85% humidity can make the cooler days feel a bit more intense, contrasting sharply with the drier, warmer conditions of earlier months. For a deeper insight into what to expect throughout the year, visit Ayvalik Climate.