December Weather in Sozopol, Bulgaria

Last updated: August 21, 2025

In December, Sozopol, Bulgaria, offers a mild coastal climate characterized by a maximum temperature of 17°C (64°F), while the average rests at a cool 8°C (47°F). Shivering temperatures can dip to a brisk minimum of -2°C (30°F). This month's precipitation is notable, with 80 mm (3.2 in) spread over approximately 12 days, contributing to a high humidity level of 84%. Sozopol's December weather embodies a unique blend of chilly air and coastal charm, making it a fascinating destination for those seeking a winter escape.

December Temperature in Sozopol

In December, Sozopol, Bulgaria experiences a charming winter transition, with temperatures reflecting the onset of the colder season. The minimum temperature dips to -2°C (30°F), while the average hovers around 8°C (47°F), offering a brisk yet manageable chill in the air. During the day, locals and visitors can enjoy moderately pleasant days with maximum temperatures reaching up to 17°C (64°F). This pattern marks a noticeable trend, as December serves as a precursor to the coldest months of January and February, yet it still shows a touch of warmth compared to the drastic lows that follow. Ideal for those seeking a quieter coastal retreat, December in Sozopol boasts a unique blend of winter freshness and charming seaside vistas.

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

The chart illustrates December temperature patterns in Sozopol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sozopol, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414345506170757671625447
Data source: Temperature data for Sozopol 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 Sozopol

In December, Sozopol experiences a notable uptick in precipitation, with 80 mm (3.2 in) of rain falling over 12 rainy days. This trend marks a slight increase from November's 79 mm, indicating a wetter end to the year. December's precipitation is higher than that of the preceding months, excluding January and October, which also see significant rainfall. The extended number of rainy days suggests a more persistent weather pattern, as compared to the drier summer months of June through August, when precipitation is minimal. Overall, as winter sets in, December's weather offers a stark contrast to the sun-soaked days of summer, wrapping up the year with a refreshing dose of moisture.

December Precipitation Trends in Sozopol

The chart displays monthly precipitation patterns in Sozopol, 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 Sozopol, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec785454422856321425798080
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sozopol

In Sozopol, Bulgaria, December ushers in a return to higher humidity levels, mirroring the dampness of January at 84%. This month marks a shift from the drier summer months, where humidity dipped to its annual low of 60% in August. As autumn progresses, humidity begins to rise again, peaking in the winter months of November and December, both registering at 81% and 84% respectively. This trend illustrates a seasonal rhythm, where the warmth of summer gives way to a more humid winter atmosphere, creating a cozy ambiance in this picturesque coastal town.

December Average Humidity in Sozopol

This chart illustrates the average monthly humidity levels in Sozopol, 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 Sozopol is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%79%75%77%71%69%60%63%76%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sozopol

In December, Sozopol, Bulgaria experiences a low UV Index of 2, indicating minimal risk of harm from unprotected sun exposure. With a burn time of 45 minutes, this month marks the end of a seasonal trend characterized by significantly higher UV levels from May through August, where the index consistently peaked at 9, reflecting very high exposure risks. The gradual decline from summer's intensity through autumn transitions into December's gentler sunlight, providing a perfect window for those seeking to enjoy the outdoors without the worry of sunburn. As always, stay informed about the daily UV Index for safe outdoor activities by visiting Sozopol UV Index.

Maximum UV Index Levels in Sozopol for December

The chart shows the monthly maximum UV Index (UVI) for Sozopol 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 Sozopol typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246799997532
Data source: Sozopol 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 Sozopol

Sozopol, Bulgaria, basks in a delightful array of sunshine throughout the year, with December offering a gentle embrace of 213 hours of sunlight. As the year progresses, daylight steadily increases, peaking in the summer months with an impressive 429 hours in July. Following a gradual decline in sunshine during fall, December's milder exposure wraps the coastal town in a serene glow, hinting at the charm of winter by the sea. Despite being one of the shorter months for sunshine, December still celebrates the radiance that enhances Sozopol's picturesque landscapes, reminding visitors of the warmth that awaits as they stroll through its historic streets.

Monthly Sunshine Duration in Sozopol: December Highlighted

The December sunshine duration represents the total number of hours Sozopol 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.
JanFebMarAprMayJunJulAugSepOctNovDec162h228h293h348h397h409h429h404h342h285h224h213h
Data source: Sozopol December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sozopol During December

In December, Sozopol, Bulgaria experiences a modest 32% chance of sunny weather, marking a slight uptick from the drearier months of November and October, both at 29%. As the year winds down, this likelihood trails behind the sun-soaked summer months, where July and August boast impressive probabilities of 80% and 78% respectively. However, December's opportunity for sunshine still offers a glimmer of hope, reminiscent of the early spring months like March and April, both around 45%. Overall, while the chances of basking in winter sun aren't the highest, they certainly add a bit of brightness to the festive season in this charming coastal town.

Percentage of Sunny Days in December in Sozopol

The chart illustrates the percentage of sunny days in Sozopol 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 Sozopol experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%42%45%46%48%49%80%78%52%29%29%32%
Data source: Sozopol December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sozopol in December

As December arrives in Sozopol, Bulgaria, daylight hovers around 9 hours, mirroring the shorter days of January and November. This month marks the transition into the winter season, following a gradual increase in daylight from 9 hours in January to a peak of 15 hours in June. The trend reveals a steady increase through the spring months, peaking in late spring before gradually tapering off again as the year draws to a close. Watching the daylight fluctuate throughout the year highlights the natural rhythm of seasons, offering a captivating glimpse of Sozopol's evolving landscape under varying light conditions.

Average Daylight Hours in Sozopol for December

The chart illustrates the variation in daylight duration in Sozopol throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 33m11h 57m13h 23m14h 36m15h 13m14h 53m13h 49m12h 26m11h 1m9h 45m9h 6m
Data source: Sozopol daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sozopol

As December ushers in the chill of winter, Sozopol experiences a notable increase in wind speed, averaging 6.2 m/s (14 mph). This surge, reminiscent of the breezier months of October, marks a distinct seasonal shift away from the calmer summer winds, which hover around 3.2 to 3.9 m/s (7 to 9 mph) through the warmer months. The change in wind patterns during this time hints at the dramatic contrasts characteristic of Bulgaria's coastal climate, as the crisp December gales sweep in from the sea, invigorating the landscape and filling the air with a fresh vibrancy. As the year draws to a close, the energetic winds not only enhance the beauty of Sozopol’s coastal scenery but also herald the arrival of winter's embrace.

Average December Wind Speed in Sozopol

The chart displays monthly wind speed patterns in Sozopol, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.75.05.23.63.83.23.93.85.06.34.76.2 m/s
Data source: Sozopol December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sozopol Compares to Other Months

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

December and January display notable differences in weather patterns. December typically experiences milder temperatures, with an average of 8°C (47°F) and maximums reaching 17°C (64°F), while January is colder, averaging 5°C (41°F) and peaking at 15°C (59°F). Precipitation remains fairly consistent between the two months, with December receiving 80 mm (3.2 in) over 12 days and January slightly less at 78 mm (3.1 in) across 9 days. Humidity levels remain steady at 84% for both months. For more details on the weather during this time, you can check Sozopol weather in January.

December weather typically presents a mild yet chilly climate, with average temperatures ranging from a minimum of -2°C (30°F) to a maximum of 17°C (64°F). The month sees an average precipitation of 80 mm (3.2 in) spread over 12 days, accompanied by relatively high humidity levels at 84%. In contrast, February tends to be slightly colder, with average temperatures falling between -3°C (27°F) and 15°C (59°F). This month experiences less precipitation, totaling 53 mm (2.1 in) over just 8 days, and humidity levels are a touch lower at 81%. For more specific insights on the weather in Sozopol during February, you can visit Sozopol weather in February.

In December, the weather tends to be milder with average temperatures ranging from a minimum of -2°C (30°F) to a maximum of 17°C (64°F). The month experiences considerable precipitation, averaging 80 mm (3.2 in) over 12 days and showcasing a higher humidity level of 84%. In contrast, March sees slightly colder temperatures, with a minimum of -6°C (21°F) and a maximum of 16°C (62°F), while the average temperature hovers around 7°C (45°F). Precipitation in March is lower at 54 mm (2.1 in) across 8 days, accompanied by a humidity level of 79%. This shift indicates a gradual transition from the wetter, milder conditions of December to the drier and cooler weather of March. For more specific details on March weather, visit Sozopol weather in March.

December and April exhibit notable differences in weather patterns. December experiences colder temperatures, with averages ranging from a minimum of -2°C (30°F) to a maximum of 17°C (64°F), while April is milder, boasting a minimum of 4°C (40°F) and a maximum of 19°C (67°F). Precipitation is also higher in December, totaling 80 mm (3.2 in) over 12 days compared to April's 42 mm (1.6 in) over just 6 days. In terms of humidity, December is more humid at 84%, compared to April's 75%. For a more detailed look at April weather, you can visit Sozopol weather in April.

In December, the weather is quite chilly, with temperatures ranging from a brisk -2°C (30°F) to a mild 17°C (64°F), averaging around 8°C (47°F). The month sees considerable precipitation, with about 80 mm (3.2 in) spread over 12 days, and the humidity is relatively high at 84%. In contrast, May presents a much warmer climate, with minimum temperatures of 10°C (51°F), averaging at 16°C (61°F), and maximums reaching 25°C (77°F). The month experiences significantly less rainfall, totaling only 28 mm (1.1 in) across 7 days, and the humidity decreases slightly to 77%. For a closer look at the pleasant conditions of May, you can explore Sozopol weather in May.

In December, the weather is quite chilly, with temperatures ranging from a minimum of -2°C (30°F) to a maximum of 17°C (64°F), and an average of 8°C (47°F). This month experiences significant humidity at 84% and sees about 80 mm (3.2 in) of precipitation over 12 days. In stark contrast, June brings much warmer weather, where temperatures typically range from 13°C (56°F) to a pleasant maximum of 29°C (85°F) with an average of 21°C (70°F). June is also dryer, with only 56 mm (2.2 in) of precipitation spread over 10 days and a lower humidity of 71%. For more details on June weather specifically, you can check Sozopol weather in June.

In December, the weather is much cooler, with temperatures ranging from a chilly -2°C (30°F) to a mild 17°C (64°F), while July experiences warmer conditions with temperatures between a minimum of 19°C (66°F) and a maximum of 30°C (86°F). Precipitation is more frequent in December, with about 80 mm (3.2 in) falling over 12 days, compared to July, which sees only 32 mm (1.3 in) over just 5 days. Additionally, humidity levels are higher in December at 84%, while July boasts a relatively lower humidity of 69%. For a closer look at July conditions, visit Sozopol weather in July.

December and August present strikingly contrasting weather conditions. In December, temperatures range from a chilly -2°C (30°F) to a mild 17°C (64°F), with an average of 8°C (47°F). The month is characterized by higher humidity at 84% and significant precipitation, totaling 80 mm (3.2 in) over approximately 12 days. In contrast, August boasts a much warmer climate, with temperatures ranging from a comfortable 19°C (67°F) to a peak of 29°C (85°F), averaging around 25°C (77°F). This summer month experiences minimal rainfall, with just 14 mm (0.6 in) falling over only 3 days, and the humidity sits at a lower 60%. For those looking to explore more about the weather during this peak summer month, you can check Sozopol weather in August.

December and September exhibit contrasting weather patterns. December experiences cooler temperatures with a minimum of -2°C (30°F) and an average of 8°C (47°F), while September enjoys milder conditions, starting with a minimum of 13°C (56°F) and an average of 22°C (71°F). Precipitation is more frequent in December, with around 80 mm (3.2 in) falling over 12 days, compared to September's lighter showers of 25 mm (1.0 in) over just 4 days. Additionally, December's humidity level is significantly higher at 84%, while September maintains a more comfortable 63%. For a closer look at September's weather specifics, visit Sozopol weather in September.

In comparing the weather between December and October, we can see distinct differences in temperature and overall conditions. October boasts a milder climate, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 25°C (78°F), while December experiences colder temperatures, with lows around -2°C (30°F) and highs reaching only 17°C (64°F). Additionally, October features less precipitation, falling over 9 days with a total of 79 mm (3.1 in), compared to December's 80 mm (3.2 in) distributed over 12 days. Humidity levels are also lower in October at 76%, compared to the higher 84% in December, making October feel more comfortable overall. For more detailed insights, you can visit Sozopol weather in October.

Comparing the weather in December to November reveals some notable differences. In December, temperatures drop significantly, with a minimum of -2°C (30°F) and an average of 8°C (47°F), whereas November remains milder with minimums around 1°C (35°F) and maximums reaching 21°C (71°F). Precipitation levels are quite similar in both months, with December receiving 80 mm (3.2 in) over 12 days and November slightly less at 79 mm (3.1 in) in 10 days. Humidity is also higher in December, averaging 84%, compared to November's 81%. For a more detailed view of November's weather, you can check out Sozopol weather in November.

Compare Sozopol's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Sozopol

In December, Sozopol transforms into a serene winter retreat, offering a refreshing change from the warmer months. With average temperatures hovering around 8°C (47°F), the crisp air invites you to explore the beautiful coastal scenery. Unlike the warmer summer months, December sees increased precipitation, averaging 80 mm over about 12 days, resulting in a damp but refreshing atmosphere. The humidity level rises to 84%, making the air feel cooler and crisper, which contrasts sharply with the sun-drenched days of summer. If you're considering a visit during this quieter time, you can expect a charming blend of sea and seasonal ambiance. For more detailed information on the weather throughout the year, check out Sozopol Climate.