December Weather in Kalofer, Bulgaria

Last updated: August 21, 2025

December in Kalofer, Bulgaria is characterized by a chilly atmosphere, with temperatures ranging from a maximum of 16°C (62°F) to a minimum of -11°C (12°F), resulting in an average of about 3°C (38°F). This month sees approximately 71 mm (2.8 in) of precipitation, spread across 10 days, contributing to the region's lush winter landscape. The high humidity at 89% adds to the crisp feel of the air, making it essential for visitors to dress warmly. Whether you're exploring the scenic views or enjoying local festivities, December in Kalofer offers a unique, wintry experience.

December Temperature in Kalofer

As December settles in Kalofer, Bulgaria, the temperatures begin to dip significantly, marking the full onset of winter. The minimum temperature can plunge to around -11°C (12°F), while the average hovers just above freezing at 3°C (38°F). Despite the cold, daytime highs can still reach a pleasant 16°C (62°F), providing a stark contrast to the frigid nights. This month’s temperatures reflect a distinct drop from the mild conditions of late autumn, illustrating the region's transition toward colder months. Visitors can expect a brisk atmosphere that captures the essence of a Bulgarian winter, offering a unique charm to the picturesque town.

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

The chart illustrates December temperature patterns in Kalofer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalofer, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333843526168727466554638
Data source: Temperature data for Kalofer 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 Kalofer

In December, Kalofer experiences a significant uptick in precipitation, with an impressive 71 mm (2.8 in) falling over 10 days. This marks one of the wetter months of the year, surpassing both November and January. Notably, December's rainfall contributes to the seasonal trend, as it follows a crescendo of moisture throughout the fall, peaking during the summer months of June and July, where precipitation levels reach 119 mm and 100 mm, respectively. As temperatures cool, the increased rainfall in December prepares the landscape for winter, providing essential moisture that enhances the local ecosystem. Thus, while snow may grace the mountains, it's the rain that underscores Kalofer's transition into the colder season.

December Precipitation Trends in Kalofer

The chart displays monthly precipitation patterns in Kalofer, 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 Kalofer, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec43427049721191003720585371
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kalofer

In Kalofer, Bulgaria, December wraps up the year with a notable humidity level of 89%, echoing the moisture-rich conditions of January, which also sees a high of 89%. This consistency at the year's close highlights a trend of elevated humidity during the winter months. Following a gradual decline from the late spring peak of 73% in May to a more comfortable 50% in August, humidity levels begin their ascent once again in the fall, peaking again with the transition into winter. The increase in humidity from November to December indicates a shift towards more humid conditions as the cold air settles in, rounding off the year with the same dampness that it began with. Through this cycle, Kalofer showcases its characteristic climate, fluctuating between variable humidity throughout the seasons yet anchoring most firmly in winter's embrace.

December Average Humidity in Kalofer

This chart illustrates the average monthly humidity levels in Kalofer, 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 Kalofer is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%85%83%71%73%67%68%50%59%79%87%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kalofer

As winter settles in, December in Kalofer, Bulgaria, brings a low UV Index of 2, suggesting minimal sun exposure and a comfortable burn time of 45 minutes. This month contrasts sharply with the peak summer months, which often exhibit very high UV levels, particularly in June and July, when the index reaches a peak of 10. Throughout the year, there is a notable trend of increasing UV exposure from January through April, hitting a peak in May and June before tapering off to lower levels in the colder months. As such, December offers a reprieve for skin-conscious individuals, making it an ideal time to enjoy outdoor activities without the burden of intense sun. For more detailed information, you can check out the Kalofer UV Index.

Maximum UV Index Levels in Kalofer for December

The chart shows the monthly maximum UV Index (UVI) for Kalofer 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 Kalofer typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997632
Data source: Kalofer 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 Kalofer

In Kalofer, Bulgaria, December ushers in a cozy ambiance with about 220 hours of sunshine—a little less than the brisk light found in November and noticeably fewer than the sun-drenched peaks of summer. As the year transitions into winter, the sunlight gradually recedes from the vibrant highs of 427 hours in July, showcasing a clear seasonal trend. Despite this dip, December still offers a gentle glow that, although less intense, enhances the charming winter landscape. Comparatively, as the months unfold from the rich brightness of spring and summer, the steadiness of sunshine hours throughout the year offers a comforting rhythm, highlighting Kalofer's unique beauty in every season.

Monthly Sunshine Duration in Kalofer: December Highlighted

The December sunshine duration represents the total number of hours Kalofer 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h237h288h346h393h400h427h403h344h291h232h220h
Data source: Kalofer December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kalofer During December

In Kalofer, Bulgaria, the likelihood of experiencing sunny weather in December is notably low, with only a 33% chance of sunshine. This trend aligns with the diminishing daylight and cooler temperatures characteristic of late fall and early winter months. As the year progresses from the vibrant summer months—where the chance of sun peaks at 78% in July and 75% in August—the descent into the winter sees a dramatic drop in clear skies. Interestingly, December's sunshine probability mirrors the earlier months of October and November, both of which also feature a muted 33% and 40% chance of sun, respectively. Thus, as Kalofer transitions into December, residents and visitors can anticipate a festive atmosphere, albeit under a veil of cloudier skies.

Percentage of Sunny Days in December in Kalofer

The chart illustrates the percentage of sunny days in Kalofer 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 Kalofer experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%49%47%45%45%47%78%75%53%40%33%33%
Data source: Kalofer December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kalofer in December

In Kalofer, Bulgaria, the rhythm of daylight duration follows a captivating seasonal dance. As the calendar turns from January’s 9 hours of light to March’s gradual increase, the days stretch longer, peaking in June with a generous 15 hours. However, as summer wanes and fall approaches, the daylight dwindles steadily, returning to 9 hours in both November and December. This cyclical pattern highlights the enchanting transition through the year, with each month bringing its own unique balance of light and shadow. December, with its echo of early winter, offers a sense of calm as daylight retreats, inviting the cozy embrace of candles and warm gatherings.

Average Daylight Hours in Kalofer for December

The chart illustrates the variation in daylight duration in Kalofer 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: Kalofer daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Kalofer

In Kalofer, Bulgaria, the wind whispers a gentle tune throughout the year, with December seeing an average wind speed of 1.9 m/s (4 mph), matching the briskness of earlier months. This stability is a refreshing aspect of Kalofer's climate, as the wind speeds hover around 1.5 to 1.9 m/s from January to November, indicating a remarkable consistency. Notably, while the December winds feel invigorating, they perfectly encapsulate the town's serene winter atmosphere, inviting both residents and visitors to embrace the crisp air. As the year edges toward its close, Kalofer's winter winds become a beloved companion, echoing the beauty of nature in this charming Bulgarian locale.

Average December Wind Speed in Kalofer

The chart displays monthly wind speed patterns in Kalofer, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.71.91.71.91.51.91.61.61.51.41.9 m/s
Data source: Kalofer December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Kalofer Compares to Other Months

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

In December, the weather is relatively mild with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 16°C (62°F), and an average temperature of 3°C (38°F). The month experiences about 71 mm (2.8 in) of precipitation over 10 days, while humidity remains consistently high at 89%.

In contrast, January tends to be colder, with minimum temperatures dropping to -18°C (-1°F) and an average temperature of just 1°C (33°F). While the maximum temperature reaches 15°C (59°F), the month sees less rainfall, accumulating approximately 43 mm (1.7 in) over 7 days, with humidity levels still at 89%. For more detailed information about the January weather in Kalofer, you can visit Kalofer weather in January.

December and February exhibit distinct weather patterns, with both months experiencing cold temperatures but a slight variation in their averages and extremes. In December, temperatures range from a minimum of -11°C (12°F) to a maximum of 16°C (62°F), with an average of 3°C (38°F). This month sees more precipitation, totaling 71 mm (2.8 in) over about 10 days, and a high humidity level of 89%. In contrast, February is slightly colder in the mornings, with a minimum of -13°C (9°F) and a maximum reaching 19°C (66°F). The average temperature remains similar at 3°C (39°F), but the month experiences less precipitation, totaling 42 mm (1.6 in) over just 7 days, and slightly lower humidity at 85%. For more specific details on the climate during this period, you can check out Kalofer weather in February.

When comparing the weather in December and March, there are notable differences in temperature and conditions. December experiences milder temperatures, with a minimum of -11°C (12°F) and an average of 3°C (38°F), while March sees colder minimums at -20°C (-3°F), even as average temperatures rise to 6°C (43°F). However, March can reach a higher maximum temperature of 22°C (72°F), compared to December's maximum of 16°C (62°F). Precipitation levels are fairly similar, with December receiving 71 mm (2.8 in) over about 10 days, while March has slightly less at 70 mm (2.7 in) but occurs over 11 days. Humidity remains relatively high in both months, with December at 89% and March at 83%. For more specifics about March weather conditions, you can check Kalofer weather in March.

In December, the weather is significantly colder, with temperatures ranging from a chilly -11°C (12°F) to a mild 16°C (62°F), averaging around 3°C (38°F). The month experiences high humidity at 89% and receives 71 mm (2.8 in) of precipitation over 10 days, making it a rather damp and brisk time of year. In contrast, April brings a welcome warmth, with temperatures varying from -3°C (28°F) to a pleasant 27°C (81°F), and an average of 11°C (52°F). The humidity drops to 71%, and precipitation decreases to 49 mm (1.9 in) over 9 days, offering a drier and more comfortable climate as spring unfolds. For more details on Kalofer's weather in April, you can visit Kalofer weather in April.

December weather is characterized by significantly colder temperatures, with lows reaching -11°C (12°F) and an average around 3°C (38°F). The month experiences relatively high humidity at 89%, leading to a chillier feel despite averaging around 71 mm (2.8 in) of precipitation over 10 days. In contrast, May welcomes milder temperatures, where the minimum temperatures rise to 3°C (38°F) and the average soars to 16°C (62°F), reaching a maximum of 31°C (87°F). Though May also sees similar precipitation levels—72 mm (2.8 in)—it is spread over a longer duration of 13 days, accompanied by a drier humidity of 73%. For a detailed look at weather specifics during this month, you can check Kalofer weather in May.

December and June present stark contrasts in weather. In December, temperatures range from a chilly minimum of -11°C (12°F) to a relatively mild maximum of 16°C (62°F), with an average of 3°C (38°F). The month typically experiences 71 mm (2.8 in) of precipitation over about 10 days and a high humidity level of 89%. In contrast, June brings much warmer conditions, with temperatures swinging from a minimum of 7°C (44°F) to a scorching maximum of 35°C (96°F), averaging around 20°C (68°F). This month sees increased precipitation at 119 mm (4.7 in) spread over 18 days, but with lower humidity at 67%. For more details on the weather in June, you can check Kalofer weather in June.

December and July present striking contrasts in weather. In December, temperatures range from a frigid minimum of -11°C (12°F) to a mild maximum of 16°C (62°F), with an average around 3°C (38°F). The month is characterized by higher humidity at 89% and about 71 mm (2.8 in) of precipitation over 10 days, which often manifests as snow or rain. In contrast, July boasts much warmer temperatures, with a minimum of 11°C (52°F) and a sweltering maximum of 37°C (99°F), averaging 22°C (73°F). Although July experiences more precipitation at 100 mm (3.9 in) over 12 days, the humidity is notably lower at 68%, making for a hotter yet more comfortable summer atmosphere. For more details on weather specifics, check out Kalofer weather in July.

December and August present stark contrasts in weather. In December, temperatures range from a chilly -11°C (12°F) to a maximum of 16°C (62°F), with an average around 3°C (38°F) and high humidity at 89%. The month sees about 71 mm (2.8 in) of precipitation over approximately 10 days, making it a damp and cold period. In contrast, August boasts a much milder climate with temperatures soaring from a minimum of 10°C (50°F) to highs of 39°C (102°F) and an average of 23°C (74°F), accompanied by significantly lower humidity at 50%. Precipitation is also reduced, totaling 37 mm (1.5 in) over just 6 days. For a closer look at the weather, you can check Kalofer weather in August.

December and September present strikingly different weather patterns. In December, temperatures can drop as low as -11°C (12°F), with an average of 3°C (38°F) and a maximum of 16°C (62°F). The month also sees significant precipitation, with 71 mm (2.8 in) over approximately 10 days and high humidity averaging 89%. In contrast, September boasts much milder temperatures, ranging from a minimum of 1°C (34°F) to an average of 19°C (66°F) and a peak of 34°C (94°F). Precipitation is considerably less, at only 20 mm (0.8 in) over about 4 days, and the humidity is notably lower at 59%. For more details, check out Kalofer weather in September.

December weather introduces a stark contrast to October, characterized by significantly lower temperatures and heightened humidity. While October enjoys an average temperature of 13°C (55°F), with a maximum reaching up to 31°C (88°F), December's average plummets to around 3°C (38°F), with highs of only 16°C (62°F). Precipitation increases slightly in December, totaling 71 mm (2.8 in) over about 10 days, compared to October’s 58 mm (2.3 in) over 7 days. Moreover, December's humidity is notably higher at 89%, compared to October's 79%, making the air feel much cooler and damper. For a closer look at what to expect, check out Kalofer weather in October.

In November, temperatures show a milder range with minimums around -4°C (26°F) and maximums reaching up to 25°C (77°F), while December experiences a colder climate, with minimum temperatures dropping to -11°C (12°F) and maximums only rising to 16°C (62°F). November also sees less precipitation, totaling 53 mm (2.1 in) over about 7 days, compared to December's 71 mm (2.8 in) spread over 10 days. Humidity levels are slightly lower in November at 87% compared to December’s 89%. For more detailed information about November weather, you can refer to Kalofer weather in November.

Compare Kalofer's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Kalofer

December in Kalofer marks a distinct shift in weather compared to the milder months preceding it. With temperatures dropping significantly, residents and visitors experience the chill of winter as the average hovers around 3°C, contrasting sharply with the warmth of autumn. The month is characterized by increased humidity and notable precipitation, making it one of the wetter times of the year. As winter unfolds, the landscape transforms, inviting a picturesque blanket of snow and a cozy, festive atmosphere. For those interested in further exploring the ins and outs of Kalofer's climate, you can check out Kalofer Climate.