December Weather in Varna, Bulgaria

Last updated: August 21, 2025

In December, Varna, Bulgaria experiences a winter climate characterized by mild temperatures and notable humidity, with an average of 7°C (44°F). During this month, the maximum temperature can reach a pleasant 17°C (63°F), while nighttime can drop to a chilly -5°C (23°F). Visitors should be prepared for approximately 73 mm (2.9 in) of precipitation spread over 11 days, contributing to the region's 84% humidity. This combination of weather elements creates a unique atmosphere, making December an intriguing time to explore Varna’s winter charm.

December Temperature in Varna

In December, Varna, Bulgaria, transitions into winter with a distinct drop in temperatures. The month typically sees minimums around -5°C (23°F), ushering in a chilly atmosphere, while the average temperature hovers around 7°C (44°F), offering a brisk yet manageable climate for outdoor activities. With maximums reaching up to 17°C (63°F), there are often milder days that provide a pleasant contrast to the cooler nights. Compared to earlier months, December marks a significant shift from the milder autumn weather of November, where the average was a warmer 11°C (52°F). As the year draws to a close, Varna's December is characterized by its crisp air and the beauty of a winter landscape, making it an enchanting time to experience this coastal city.

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

The chart illustrates December temperature patterns in Varna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Varna, 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).
JanFebMarAprMayJunJulAugSepOctNovDec384144506170747569605144
Data source: Temperature data for Varna 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 Varna

In December, Varna experiences a notable increase in precipitation, receiving 73 mm (2.9 in) over the month, which translates to about 11 days of rain. This uptick contrasts with the drier summer months, like August, where only 14 mm fell across just 3 days. As December ushers in the winter season, the precipitation amount surpasses the yearly average for earlier months, notably coming after a slightly wet November with 55 mm. The trend suggests that as the year wraps up, Varna's climate becomes progressively wetter, providing a notable shift from the summer's aridity and hinting at the cozy, rainy atmosphere typical of Bulgarian winters.

December Precipitation Trends in Varna

The chart displays monthly precipitation patterns in Varna, 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 Varna, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec584053333685511418605573
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Varna

In Varna, Bulgaria, December wraps up the year with a notable humidity level of 84%, which is consistent with the higher readings seen in January and November. This trend highlights a seasonal rhythm, where the winter months bring increased moisture content to the air, peaking in December. As the year progresses from the humid summer months—where humidity dips to a low of 60% in August—the environment begins to regain moisture in the autumn, ultimately returning to more humid conditions by the end of the year. The slight fluctuations throughout the year illustrate a clear pattern of rising humidity as temperatures begin to drop, creating an atmosphere that feels decidedly rich and invigorating in December.

December Average Humidity in Varna

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

In December, Varna, Bulgaria, experiences a low UV Index of 2, indicating minimal risk from sun exposure. This trend marks a return to more moderate levels of UV radiation after the peak months of summer, where UV Index values soared to 9. With a burn time of 45 minutes, December offers a reprieve from the intense sun exposure typical of the prior months, making it a perfect time for outdoor activities without the immediate need for sunscreen. As a city that sees high UV levels in the spring and summer, December's lower irradiance invites a more leisurely approach to sun exposure. For those planning outdoor adventures, staying informed about the UV Index can help ensure safe sun practices year-round. For more detailed information, check out the Varna UV Index.

Maximum UV Index Levels in Varna for December

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

December in Varna, Bulgaria, welcomes 206 hours of sunshine, offering a tranquil close to the year. While this month may not boast the sunniest days compared to the peak summer months of July and June, it stands as a gentle reminder of the prevailing trend: an overall increase in sunlight as the year progresses. From a modest 166 hours in January to a peak of 430 hours in July, the gradual ascent of sunlit hours illustrates Varna’s transition from winter’s chill toward the warmth of summer. December, with its soft, golden rays, encourages residents and visitors alike to bask in the fleeting moments of winter sunlight, making it a perfect time for reflective walks along the coast, as the days may be shorter, but the beauty remains ever-present.

Monthly Sunshine Duration in Varna: December Highlighted

The December sunshine duration represents the total number of hours Varna 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.
JanFebMarAprMayJunJulAugSepOctNovDec166h225h288h350h398h402h430h405h341h286h223h206h
Data source: Varna December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Varna During December

In Varna, Bulgaria, December brings a 30% chance of sunny weather, marking it as one of the quieter months for sunshine compared to the warmer seasons. After experiencing a steady rise in sunlight during the summer, where July and August boast impressive chances of 77% and 75% respectively, the prospect of sunny days steadily declines as autumn transitions into winter. While December doesn’t hold much promise for abundant sunshine, it does offer a slight increase from the more clouded months of October and November, which sit at 35% and 33% respectively. As the year wraps up, those in Varna can expect a mix of overcast skies and occasional sun, making it a transitional month in terms of weather patterns.

Percentage of Sunny Days in December in Varna

The chart illustrates the percentage of sunny days in Varna 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 Varna experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%37%42%46%45%43%77%75%55%35%33%30%
Data source: Varna December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Varna in December

In Varna, Bulgaria, the daylight duration follows a captivating seasonal rhythm. As December rolls in, the city basks in about 9 hours of daylight, mirroring the shorter days of January and November. This trend reflects the winter season's grip, where daylight hours have steadily decreased from a peak of 15 hours in June. The gradual shift from longer days in the spring and summer months to the dwindling light of winter paints a vivid picture of nature's cycle. As the year winds down, the consistency in daylight duration between the earlier and later months of winter underscores the tranquil beauty of Varna's seasonal transitions, inviting residents and visitors alike to embrace the cozy charm of the city as it welcomes the holidays.

Average Daylight Hours in Varna for December

The chart illustrates the variation in daylight duration in Varna throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 21m10h 30m11h 57m13h 25m14h 41m15h 19m14h 59m13h 52m12h 27m10h 58m9h 40m9h
Data source: Varna daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Varna

In December, Varna, Bulgaria experiences a notable uptick in wind speed, averaging 5.6 m/s (13 mph), making it the windiest month of the year. As the year progresses from January's 5.3 m/s to November's 4.2 m/s, a general trend of decreasing wind speeds is apparent leading into the colder months. However, December breaks this pattern, ushering in a briskness that signals the onset of winter. This increase not only enhances the cooling effect of the season but also invigorates the coastal atmosphere, inviting both locals and visitors to embrace the energetic charm of Varna’s winter landscape. With the wind’s playful whispers, December transforms the city, making it a delightful time to explore its seaside allure.

Average December Wind Speed in Varna

The chart displays monthly wind speed patterns in Varna, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.34.54.93.53.63.53.83.54.45.24.25.6 m/s
Data source: Varna December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Varna Compares to Other Months

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

In December, the weather features a wider temperature range with minimums dipping to -5°C and maximums reaching up to 17°C, resulting in a milder average of 7°C. The month experiences a total of 73 mm of precipitation over approximately 11 days, accompanied by high humidity levels of around 84%. In contrast, January is notably colder, with minimum temperatures dropping to -11°C and an average temperature of just 3°C, while maximums reach 14°C. This month sees less precipitation at 58 mm over 8 days, maintaining the same humidity level of 84%. For more details about January weather, visit Varna weather in January.

In December, the weather typically experiences a broader temperature range, with minimums dipping to -5°C (23°F) and maximums reaching up to 17°C (63°F), resulting in a comfortable average of 7°C (44°F). This month also sees higher precipitation levels, with about 73 mm (2.9 in) falling over 11 days, accompanied by a humidity level of 84%. In contrast, February's temperatures remain slightly cooler, with averages dropping to 5°C (41°F) and maximums peaking at 15°C (60°F). Precipitation is significantly reduced to 40 mm (1.6 in) over just 7 days, and humidity lowers slightly to 81%. For insights into weather patterns during this month, you can check out Varna weather in February.

December weather typically showcases a mild range of temperatures with a minimum of -5°C (23°F) and an average of 7°C (44°F), reaching a maximum of 17°C (63°F). The humidity is quite high at 84%, and the month experiences about 73 mm (2.9 in) of precipitation over 11 days. In contrast, March tends to be slightly colder, with lows of -9°C (16°F) and an average temperature similar to December at 6°C (44°F). However, it also has a slightly warmer maximum of 18°C (64°F) and less precipitation, totaling 53 mm (2.1 in) over just 9 days, accompanied by a lower humidity of 79%. For more specific details on the March climate, you can check Varna weather in March.

In December, the weather is significantly cooler, with temperatures ranging from a chilling minimum of -5°C (23°F) to a more bearable maximum of 17°C (63°F), and an average around 7°C (44°F). This month experiences higher precipitation, totaling 73 mm (2.9 in) over 11 days, contributing to a humidity level of 84%. In contrast, April brings milder temperatures that start at a minimum of 2°C (36°F) and reach up to 22°C (72°F), with an average of 10°C (50°F). Additionally, April has less precipitation (33 mm or 1.3 in) over just 6 days and a lower humidity of 75%. For a more detailed look at weather patterns during this month, check out Varna weather in April.

December and May present a stark contrast in weather. In December, temperatures range from a chilly minimum of -5°C (23°F) to a mild maximum of 17°C (63°F), with an average around 7°C (44°F). The month experiences more precipitation, totaling 73 mm (2.9 in) over 11 days, accompanied by relatively high humidity at 84%. In contrast, May warms up significantly, with temperatures starting at a minimum of 8°C (47°F) and peaking at 25°C (77°F), averaging around 16°C (61°F). This month sees less rain, with only 36 mm (1.4 in) falling over 9 days and lower humidity at 77%. For a closer look at the delightful weather conditions in May, check out Varna weather in May.

December and June showcase striking contrasts in weather. December temperatures range from a chilly minimum of -5°C (23°F) to a mild average of 7°C (44°F) and a maximum of 17°C (63°F), often accompanied by higher humidity levels at 84%. In contrast, June offers a warmer climate, with temperatures starting at a minimum of 11°C (52°F), averaging 21°C (70°F), and peaking at 29°C (84°F). While both months experience precipitation, June sees slightly higher rainfall at 85 mm (3.4 in) over 15 days, compared to December's 73 mm (2.9 in) over 11 days. For more details on June's weather, check out Varna weather in June.

December and July present quite contrasting weather conditions. In December, temperatures range from a chilly minimum of -5°C (23°F) to a comfortable maximum of 17°C (63°F), with an average of 7°C (44°F). The month experiences 73 mm (2.9 in) of precipitation over 11 days, along with high humidity levels averaging 84%. In stark contrast, July enjoys significantly warmer temperatures, with a minimum of 16°C (61°F) and a maximum reaching 31°C (88°F), averaging 23°C (74°F). This summer month sees less rainfall at 51 mm (2.0 in) spread across 9 days and lower humidity at 69%. For more details on the weather during this vibrant summer month, you can check out Varna weather in July.

In December, the weather is significantly cooler, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 17°C (63°F) and an average of 7°C (44°F). The month is also marked by higher humidity levels at 84% and more frequent precipitation, totaling 73 mm (2.9 in) over about 11 days. In contrast, August offers a much warmer climate, with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 31°C (88°F) and an average of 24°C (76°F). This month experiences considerably less rainfall, with only 14 mm (0.6 in) over 3 days and lower humidity at 60%. For more details on August weather in Varna, you can check Varna weather in August.

December weather is significantly colder than September, with average temperatures ranging from a chilly 7°C (44°F) to a maximum of only 17°C (63°F), while September boasts much warmer conditions, with averages from 20°C (69°F) to a high of 28°C (83°F). Additionally, December experiences more precipitation, totaling 73 mm (2.9 in) over 11 days, compared to September's mild 18 mm (0.7 in) across just 3 days. Furthermore, the humidity in December remains higher at 84%, contrasting with the more comfortable 63% experienced in September. For a more detailed look at September weather, visit Varna weather in September.

December weather is markedly colder than that of October, with minimum temperatures dropping to -5°C (23°F) compared to October's milder minimum of 7°C (44°F). While December sees an average high of 17°C (63°F), October boasts warmer averages with highs reaching up to 26°C (78°F). Additionally, December experiences more precipitation, with 73 mm (2.9 in) over 11 days, compared to October's 60 mm (2.3 in) over just 6 days. Humidity levels are also slightly higher in December at 84%, compared to 76% in October. For a detailed look at October's weather patterns, you can check out Varna weather in October.

In comparing the weather patterns of December and November, December typically experiences cooler temperatures, with a minimum of -5°C (23°F) and an average of 7°C (44°F), while November has milder conditions, with a minimum of -1°C (30°F) and an average of 11°C (52°F). Precipitation also increases in December to 73 mm (2.9 in) over 11 days, compared to November’s 55 mm (2.1 in) over 8 days, indicating a wetter month. Furthermore, December's humidity rises slightly to 84%, surpassing November’s 81%. For more detailed insights, check out Varna weather in November.

Compare Varna's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Varna

December weather in Varna distinctly marks the transition into winter, with temperatures dipping lower than in previous months, creating a crisp and sometimes chilly atmosphere. The increase in humidity and the frequency of precipitation underscore this seasonal shift, making the month notably wetter. While the average temperature may linger around a cool 7°C, the potential for colder nights, sometimes dropping to below freezing, reminds residents and visitors alike that winter is firmly at the doorstep. Those looking to understand Varna's climate better can explore more at Varna Climate.