December Weather in Nesebar, Bulgaria

Last updated: August 21, 2025

December in Nesebar, Bulgaria offers a picturesque yet chilly atmosphere, with temperatures ranging from a pleasant 19°C (66°F) at its peak to a brisk -5°C (24°F) at night. The average temperature hovers around a cool 7°C (45°F), inviting visitors to embrace winter's charm. While the month sees 75 mm (2.9 in) of precipitation across 10 days, the landscape transforms, providing a unique backdrop for exploration. With 84% humidity, the air carries a refreshing crispness, making December a distinctive time to experience the historical beauty of this coastal town.

December Temperature in Nesebar

December in Nesebar, Bulgaria marks a transition into the heart of winter, with temperatures ranging from a chilly -5°C (24°F) at night to a mild 19°C (66°F) during the day. The average temperature hovers around 7°C (45°F), making it a time where the frosty air invites cozy moments while still offering occasional warmer spells. Compared to the preceding months, December presents a notable dip in nighttime lows, reflecting the steady approach of winter. However, the relatively mild daytime highs allow for an enchanting exploration of this historic coastal town, where festive decorations brighten up the scenic streets. As the year winds down, Nesebar's weather balances briskness with a touch of warmth, making December a unique experience for visitors and locals alike.

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

The chart illustrates December temperature patterns in Nesebar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nesebar, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394245516170747669605244
Data source: Temperature data for Nesebar 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 Nesebar

In December, Nesebar, Bulgaria experiences a notable increase in precipitation, with 75 mm (2.9 in) of rain falling over approximately 10 days. This marks a trend of rising moisture as the year comes to a close, following November's 59 mm (2.3 in). The winter chill is accompanied by more frequent rain, elevating December to a wetter month compared to its predecessors. This shift in precipitation not only highlights the transition toward colder months but also enriches the landscape, making it a picturesque time to visit this historic coastal town. As temperatures drop, visitors can expect a moody yet captivating ambiance, shaped significantly by the season's increased rainfall.

December Precipitation Trends in Nesebar

The chart displays monthly precipitation patterns in Nesebar, 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 Nesebar, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec664957404682501522695975
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nesebar

In Nesebar, Bulgaria, December marks a notable return to higher humidity levels, echoing the winter's chill with a substantial 84%. This reflects a pattern where the months of January and November also experience elevated humidity, hovering around the 80% mark. Meanwhile, the summer months see a gradual decline, reaching a comfortable low of 60% in August before humidity starts to creep back up in the fall. As temperatures drop in December, it becomes apparent that the town's humidity swings create a cozy, albeit moist atmosphere—a stark contrast to the drier summer months. This cyclical trend of rising and falling humidity levels paints a vivid picture of Nesebar's climate throughout the year.

December Average Humidity in Nesebar

This chart illustrates the average monthly humidity levels in Nesebar, 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 Nesebar 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 Nesebar

As December rolls into Nesebar, Bulgaria, the UV Index sees a dip back to a low value of 2, mirroring the protective cocoon of winter. After a summer of intense sun exposure, where the index peaked at 9 during the height of July and August, residents and visitors can now relax as the sun’s rays become significantly milder. With a burn time of 45 minutes, it's a comfortable reminder that prolonged exposure is less of a concern compared to the glaring summer months. This seasonal shift highlights a distinct transition from very high UV levels at mid-year to a time when caution is minimal, allowing outdoor enthusiasts to enjoy the landscapes with less worry. For those planning their sun safety, it’s always good to stay informed; for more details, check out the full Nesebar UV Index.

Maximum UV Index Levels in Nesebar for December

The chart shows the monthly maximum UV Index (UVI) for Nesebar 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 Nesebar typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246789997532
Data source: Nesebar 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 Nesebar

As December rolls into Nesebar, Bulgaria, the sunlight begins to fade, but there's still a gentle glow with approximately 210 hours of sunshine throughout the month. This is a pleasant contrast to the sun-drenched peak of summer, where July boasts a stunning 429 hours of sunlight, lighting up the coastal town's rich history and stunning architecture. As the year progresses from the chill of January with its mere 165 hours, the trend shows a remarkable increase in sunshine, peaking in the vibrant months of June and July. However, a steady decline follows, leading back to the softer hues of winter seen in December. Despite the reduced daylight hours compared to summer's bounty, December still offers a tranquil charm, inviting visitors to explore the serene beauty of Nesebar under a softer sun.

Monthly Sunshine Duration in Nesebar: December Highlighted

The December sunshine duration represents the total number of hours Nesebar 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.
JanFebMarAprMayJunJulAugSepOctNovDec165h227h289h349h396h405h429h405h341h284h223h210h
Data source: Nesebar December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nesebar During December

In December, Nesebar, Bulgaria, experiences a 33% chance of sunny weather, which is fairly modest compared to the more vibrant summer months. As the year unfolds, there’s a noticeable shift in sunshine probability, with winter months like December sitting below the seasonal average, especially when contrasted with the peak July and August, boasting sun chances of 77% and 75%, respectively. Although early winter brings cooler temperatures and a higher likelihood of cloud cover, it's worth noting that December’s sun chance (33%) surpasses that of the preceding months of October and November. This subtle increase hints at the fleeting opportunities for sunshine, offering a glimmer of hope for those visiting Nesebar during the holiday season.

Percentage of Sunny Days in December in Nesebar

The chart illustrates the percentage of sunny days in Nesebar 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 Nesebar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%41%44%45%46%43%77%75%53%32%31%33%
Data source: Nesebar December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nesebar in December

As December arrives in Nesebar, Bulgaria, daylight hours dwindle to 9 hours, echoing the shorter, chillier days of winter. This month mirrors the daylight duration of November, both characterized by a retreat from the sun's warm embrace. Observing the year as a whole, we see a clear trend where daylight gradually increases from the depths of winter in January, reaching a peak of 15 hours in June, before gently tapering off again. Each season in Nesebar has its unique rhythm, with daylight stretching its limbs and then contracting, painting a beautiful picture of nature's cycle.

Average Daylight Hours in Nesebar for December

The chart illustrates the variation in daylight duration in Nesebar throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 32m11h 57m13h 23m14h 37m15h 14m14h 55m13h 50m12h 26m11h9h 44m9h 5m
Data source: Nesebar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Nesebar

As December approaches in Nesebar, Bulgaria, the winds pick up their pace, reaching an average speed of 4.7 m/s (11 mph), making it one of the breezier months of the year. This increase is notable when compared to the calmer summer months, which typically see wind speeds drop as low as 2.8 m/s (6 mph) in June. This late-autumn surge serves as a refreshing reminder that winter is on the horizon, with a gradual rise from 3.6 m/s (8 mph) in November to December's brisk gusts. The trend indicates a shift from the more placid summer breezes to a notable December vigor, setting the stage for the chilly yet picturesque winter landscape in this historic coastal town.

Average December Wind Speed in Nesebar

The chart displays monthly wind speed patterns in Nesebar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.53.94.12.93.22.83.23.03.94.63.64.7 m/s
Data source: Nesebar December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Nesebar Compares to Other Months

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

December and January both experience relatively cool temperatures, with December averaging at 7°C (45°F) and January slightly cooler at 4°C (39°F). The minimum temperatures dip lower in January, reaching -10°C (14°F), compared to December's minimum of -5°C (24°F). Although December receives slightly more precipitation at 75 mm (2.9 in) over 10 days, January has less with 66 mm (2.6 in) over 8 days. Both months maintain a consistent humidity level of 84%. For those interested in a detailed look at January's weather, you can find more information here: Nesebar weather in January.

In December, the weather typically features a range of temperatures with a minimum of -5°C (24°F) and an average high of 19°C (66°F), contributing to an average temperature of 7°C (45°F). The month is also quite wet, experiencing about 75 mm (2.9 in) of precipitation over approximately 10 days, with humidity levels at 84%. In contrast, February sees slightly cooler temperatures, with a minimum of -5°C (23°F) and an average high of 17°C (63°F), resulting in an overall average of 6°C (42°F). Notably, February is drier, with 48 mm (1.9 in) of precipitation over only 7 days and slightly lower humidity at 81%. For more detailed insights, explore Nesebar weather in February.

In comparing the weather between December and March, both months have similar average high temperatures, hovering around 7°C (45°F) to 19°C (66-67°F). However, December tends to have a slightly milder minimum temperature of -5°C (24°F) compared to March's colder -9°C (16°F). Precipitation is somewhat higher in December, with 75 mm (2.9 in) over 10 days, whereas March sees less rain at 57 mm (2.3 in) over 9 days. Additionally, December experiences higher humidity levels at 84%, compared to March's 79%. For more specific weather details in March, you can check Nesebar weather in March.

December and April present contrasting weather patterns, with December showcasing lower temperatures and higher humidity. In December, temperatures can dip as low as -5°C (24°F), while averaging around 7°C (45°F) and reaching a maximum of 19°C (66°F). This month also sees significant precipitation, with about 75 mm (2.9 in) over approximately 10 days. In contrast, April experiences milder conditions, with minimum temperatures at 2°C (36°F), an average of 10°C (51°F), and highs reaching 23°C (73°F). Precipitation is lighter in April, totaling around 40 mm (1.6 in) across about 7 days, coupled with lower humidity at 75%. For more specific insights into April weather, you can check Nesebar weather in April.

December and May present a stark contrast in weather conditions. In December, temperatures range from a chilly -5°C (24°F) at night to a mild 19°C (66°F) during the day, with an average of 7°C (45°F). The month sees about 75 mm (2.9 in) of precipitation over approximately 10 days, contributing to its high humidity of 84%. In contrast, May offers a more temperate climate, with minimum temperatures around 7°C (45°F), averaging 16°C (62°F), and reaching highs of 27°C (81°F). The total precipitation decreases to 46 mm (1.8 in) over 8 days, resulting in a slightly lower humidity of 77%. For further details on the weather during this vibrant springtime, visit Nesebar weather in May.

When comparing the weather in December and June, it's evident that these months represent two distinct seasons. December experiences cooler temperatures, with a minimum of -5°C (24°F) and an average of 7°C (45°F), while June boasts much warmer conditions, starting at a minimum of 12°C (53°F) and averaging 21°C (70°F). Precipitation levels are relatively similar, with December seeing 75 mm (2.9 in) over about 10 days, compared to June's 82 mm (3.2 in) over 14 days. Notably, humidity in December is higher at 84%, while June enjoys a more comfortable level at 71%. For a closer look at what to expect during this sunny season, you can check out Nesebar weather in June.

The weather conditions in December and July present a striking contrast. In December, temperatures can drop as low as -5°C (24°F), with an average of 7°C (45°F) and a maximum reaching 19°C (66°F). This month also sees a considerable amount of precipitation, totaling 75 mm (2.9 in) over approximately 10 days, accompanied by high humidity at 84%. Conversely, July boasts much warmer temperatures with a minimum of 16°C (62°F), an average of 23°C (75°F), and a peak of 33°C (91°F). Precipitation is less frequent, amounting to 50 mm (2.0 in) over around 7 days, and humidity is lower at 69%. The differences in climate make these months feel worlds apart. For more insights on summer weather, you can check Nesebar weather in July.

December and August present starkly contrasting weather patterns. In December, temperatures range from a chilly -5°C (24°F) at night to a mild 19°C (66°F) during the day, with an average of 7°C (45°F). The month is characterized by high humidity levels at 84% and 75 mm (2.9 in) of precipitation over about 10 days, creating a damp atmosphere. In contrast, August boasts much warmer temperatures, with nighttime lows of 16°C (62°F) and daytime highs reaching up to 33°C (91°F), averaging around 24°C (76°F). Precipitation is minimal at only 15 mm (0.6 in) spread over just 3 days, and the humidity is more comfortable at 60%. For a better understanding of how to enjoy the summer warmth, you can check out Nesebar weather in August.

In December, temperatures are much cooler, ranging from a chilly -5°C (24°F) at night to a maximum of 19°C (66°F) during the day, with an average of 7°C (45°F). The month is characterized by higher humidity at 84% and increased precipitation, averaging 75 mm (2.9 in) over about 10 days. In contrast, September enjoys a milder climate, with temperatures ranging from a comfortable minimum of 10°C (50°F) to a warm maximum of 30°C (86°F), averaging 21°C (69°F). Precipitation is significantly lower in September, totaling only 22 mm (0.9 in) over about 5 days, and the humidity is more moderate at 63%. For more details about Nesebar's climate during this time, check out Nesebar weather in September.

December weather presents a much chillier atmosphere compared to October, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 19°C (66°F), averaging around 7°C (45°F). In contrast, October enjoys milder temperatures, with a minimum of 7°C (45°F) and a maximum of 27°C (81°F), resulting in an average of 15°C (60°F). While December experiences more humidity at 84% and slightly higher precipitation at 75 mm (2.9 in) over 10 days, October is relatively drier with 69 mm (2.7 in) of rain over just 7 days. For a detailed look at the weather specifics, you can check out Nesebar weather in October.

In comparing the weather patterns of November and December, it's clear that December experiences cooler temperatures, with a minimum of -5°C (24°F) compared to November's minimum of -1°C (30°F). While November has a slightly higher average temperature of 11°C (52°F) and a maximum of 23°C (74°F), December's temperatures range from 7°C (45°F) on average to a maximum of 19°C (66°F). Furthermore, December sees increased precipitation, with 75 mm (2.9 in) over 10 days, whereas November records 59 mm (2.3 in) across 8 days. Humidity also rises slightly in December, reaching 84% compared to November's 81%. For a deeper look into the weather patterns of November, check out Nesebar weather in November.

Compare Nesebar's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Nesebar

As December settles in, Nesebar transforms into a winter wonderland, offering a refreshing change from the milder months. With an average temperature that dips significantly, the coastal town experiences cooler days, contrasting sharply with the summer warmth. Rainfall becomes more frequent, contributing to a higher humidity level that envelops the landscape in a moody ambiance. While the sun-soaked days of summer seem a distant memory, December presents a unique charm that invites visitors to appreciate the serene beauty of the season. For more details about the weather across the year, visit Nesebar Climate.