Last updated: August 21, 2025
In December, Smolyan, Bulgaria transforms into a winter wonderland with average temperatures hovering around 2°C (36°F), while the maximum can reach a mild 13°C (55°F). However, the chill in the air can drop to a brisk -14°C (8°F) at night. This month, the region experiences about 140 mm (5.5 in) of precipitation over 13 days, characterized by a high humidity level of 87%. Visitors can expect a cozy atmosphere with a mix of snowy landscapes and rainy days, ideal for enjoying the festive season amidst nature's beauty.
In December, Smolyan, Bulgaria, experiences a pronounced chill as winter settles in. The temperatures see a shift, with minimums dipping to -14°C (8°F) and average highs hovering around 2°C (36°F). While days remain cold, they bring a slight reprieve from the harsh mid-winter lows, reaching a maximum of 13°C (55°F). This month marks a notable transition from the milder autumn temperatures of November, where the average was a more comfortable 6°C (43°F). As the year comes to a close, the snowy landscape, combined with these crisp temperatures, sets the stage for a picturesque winter wonderland, inviting both residents and visitors to embrace the beauty of the season.
December in Smolyan, Bulgaria, marks the transition into winter with notable precipitation trends that shape the region's climate. With 140 mm (5.5 in) of rainfall over approximately 13 days, December stands out as one of the wetter months of the year, only rivaled by the lush summer months of June and May. This significant precipitation is indicative of the approaching cold season, contributing to the region's snowpack and winter landscapes. As temperatures drop, the frequency and intensity of rainfall often shift towards snow, enriching Smolyan’s picturesque winter scenery. This monthly spike in precipitation not only supports local ecosystems but also sets the stage for a vibrant winter tourism season, drawing visitors to enjoy the snowy wonderland.
In Smolyan, Bulgaria, December brings a notable shift in humidity levels, peaking at 87%, which is a slight increase from the 85% recorded in November. This uptick signals the region's return to the colder months, following a drier summer where humidity dipped to its lowest at 47% in August. As the year progresses from the lush greens of spring to the crispness of winter, the trend reveals a gradual rise in humidity levels from the fresh spring months, where March and April hover around 81% and 71%, respectively. By the end of the year, the accumulation of moisture in the air serves as a reminder of winter’s approach, preparing Smolyan's landscape for its snowy embrace.
As the year winds down, December in Smolyan, Bulgaria, sees a return to a moderate UV Index of 3, mirroring the levels found in January and November. This time of year offers ample opportunity for outdoor activities while still maintaining caution against sun exposure. With a burn time of 30 minutes, it's important to remember that even during the cooler months, UV rays can still impact your skin, particularly if you spend extended periods outdoors. Fortunately, the trend of increasing UV Index values throughout the spring and summer months is well-established, peaking at a striking 11 in June before gradually tapering off as autumn approaches. Understanding these patterns is crucial for effectively planning your sun safety. For more detailed information, check out Smolyan UV Index.
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In December in Smolyan, Bulgaria, the sunshine begins to taper off, offering 228 hours of bright, albeit shorter, days. This marks a notable decline from the vibrant summer months, where July shines the brightest with 428 hours of sunlight. As the year transitions from winter to spring, the trend shows a gradual increase in sunshine, crescendoing in the lush green days of May and June. The chilly December days beckon with crisp air and early evenings, yet they also serve as a reminder of the sun's return in the upcoming months, as it steadily climbs back from the depths of winter's grip.
In December, the likelihood of sunny weather in Smolyan, Bulgaria dips to 32%, marking one of the lower points in the annual cycle. This month sees a notable decline in sunshine compared to the brighter summer months, where July and August boast impressive probabilities of 77% and 75%, respectively. While December’s sun doesn't shine as brightly, it still holds more promise than the oft-gloomy winter months of January and November, reflecting a gradual transition towards the chill of winter. The trend suggests that after the vibrant autumn, Smolyan experiences a quieter month, setting the stage for a serene winter landscape.
In Smolyan, Bulgaria, the daylight duration undergoes a notable seasonal transformation throughout the year, peaking in the vibrant days of summer. Starting with a modest 9 hours in January and November, the days gradually lengthen to reach their height at 15 hours in June. Following this burst of brightness, the daylight hours begin to shrink again, with July seeing a slight drop to 14 hours, and a steady decrease occurring as autumn sets in. By December, daylight returns to the wintry norm of 9 hours, mirroring the beginning of the year. This rhythm of light and dark not only shapes the natural landscape but also influences the lifestyle of Smolyan's residents, who enjoy the sunlit days of spring and summer before settling into the cozy embrace of winter.
As December arrives in Smolyan, Bulgaria, the average wind speed gently picks up to 2.3 m/s (5 mph), bringing a refreshing breath of winter air. This slight increase marks a departure from the calmer conditions of the late autumn months, where speeds hovered around 1.9 m/s. Interestingly, while December may usher in a few brisk breezes, it still maintains a consistent average that aligns closely with the earlier winter months of January and February. Overall, the transition into the winter period showcases a gradual fluctuation in wind patterns, with December standing out as a time of invigorating winds and a hint of what the snowy season has to offer.
Weather in Smolyan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Smolyan, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January present a notable shift in weather conditions. In December, temperatures range from a minimum of -14°C (8°F) to a maximum of 13°C (55°F), with an average temperature of 2°C (36°F) and significant precipitation of 140 mm (5.5 in) over 13 days. The humidity remains high at 87%. By contrast, January experiences colder temperatures, with a minimum of -18°C (0°F) and an average of -1°C (31°F), though the maximum reaches 12°C (54°F). Precipitation decreases to 84 mm (3.3 in), occurring over just 8 days, while humidity slightly increases to 88%. For more specific insights, you can explore Smolyan weather in January.
In December, the weather tends to be relatively mild with average temperatures around 2°C (36°F), whereas February experiences slightly colder conditions, particularly at night, with a minimum temperature of -17°C (1°F). Despite both months having an average temperature of 2°C, December is marked by higher precipitation levels (140 mm) over 13 days, contributing to a humid atmosphere with 87% humidity. In contrast, February has significantly less precipitation at 69 mm over 9 days and slightly lower humidity at 83%. For a more detailed look at February weather conditions, you can visit Smolyan weather in February.
December and March present contrasting weather patterns, each offering a unique experience. In December, temperatures typically range from a minimum of -14°C (8°F) to a maximum of 13°C (55°F), with an average temperature of 2°C (36°F). The month sees a fair amount of precipitation, totaling 140 mm (5.5 in) over approximately 13 days, coupled with a high humidity level of 87%. In comparison, March experiences slightly colder nights with a minimum of -18°C (-1°F) but warms up during the day, boasting a maximum of 19°C (67°F) and an average of 4°C (39°F). Precipitation in March is lower at 106 mm (4.2 in), falling over 14 days, and humidity decreases to 81%. For more detailed insights into the March weather in Smolyan, you can check this link: Smolyan weather in March.
December and April exhibit distinctly different weather patterns. In December, temperatures range from a chilly -14°C (8°F) at night to a mild 13°C (55°F) during the day, with an average of 2°C (36°F). The month is characterized by high humidity at 87% and considerable precipitation, totaling 140 mm (5.5 in) over about 13 days. In contrast, April brings a notable warming trend, with temperatures fluctuating between -9°C (15°F) and a pleasant 22°C (72°F), averaging around 8°C (47°F). While April sees slightly more rainy days at 15, the total precipitation of 99 mm (3.9 in) is less than in December. For a closer look at what to expect, check out Smolyan weather in April.
December weather in Smolyan is characterized by cold temperatures, with minimums dropping to -14°C (8°F) and an average hovering around 2°C (36°F). This month sees significant precipitation at 140 mm (5.5 in), often in the form of snow, and with high humidity levels reaching 87%. In contrast, May offers a much milder climate, where temperatures range from a minimum of 1°C (33°F) to a pleasant maximum of 27°C (80°F) with an average of 13°C (55°F). While May has slightly lower precipitation at 123 mm (4.9 in), it experiences rain over more days, totaling 17, and humidity decreases to 74%. The contrasting weather patterns highlight the shift from winter chill to spring warmth. For more details, visit Smolyan weather in May.
December and June in Smolyan present stark contrasts in weather. December is marked by colder temperatures, with averages around 2°C (36°F) and a minimum reaching as low as -14°C (8°F), while June enjoys significantly milder conditions, boasting an average temperature of 16°C (61°F) and highs soaring to 31°C (88°F). Precipitation is more common in June, occurring on 23 days with a total of 212 mm (8.3 in), compared to December's 140 mm (5.5 in) over 13 days. Additionally, humidity levels are higher in December at 87%, whereas June's humidity is more moderate at 63%. For a closer look at June's climate, check out Smolyan weather in June.
December and July present starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -14°C (8°F), with an average of 2°C (36°F) and a maximum reaching only 13°C (55°F). This month also experiences high humidity at 87% and significant precipitation, totaling 140 mm (5.5 in) over about 13 days. In contrast, July boasts much milder conditions, with temperatures starting at a minimum of 8°C (47°F), averaging 19°C (66°F), and soaring to a maximum of 32°C (90°F). Humidity drops to a more comfortable 60%, and precipitation remains similar to December at 136 mm (5.4 in), but again over the same number of days. For more details on July weather, you can visit Smolyan weather in July.
December and August present stark contrasts in weather conditions. In December, temperatures can plunge as low as -14°C (8°F), with an average of 2°C (36°F) and a maximum of 13°C (55°F). This month experiences high humidity levels of 87% and considerable precipitation, amounting to 140 mm (5.5 in) over 13 days. In contrast, August boasts much milder temperatures, ranging from a minimum of 8°C (47°F) to an average of 20°C (68°F), and peaking at 33°C (91°F). Additionally, August has significantly less precipitation at 39 mm (1.6 in) over just 9 days and a lower humidity of 47%. For more detailed information, you can check out Smolyan weather in August.
In December, the weather is significantly colder, with temperatures ranging from a chilling minimum of -14°C (8°F) to a maximum of 13°C (55°F), and an average of 2°C (36°F). On the other hand, September enjoys milder temperatures, with a minimum of 1°C (34°F) and a comfortable maximum of 29°C (85°F), averaging 16°C (60°F). Additionally, December experiences more precipitation, with 140 mm (5.5 in) spread over 13 days, whereas September sees only 50 mm (2.0 in) over just 6 days. The humidity in December is also higher at 87%, compared to September's 57%. For more details on September's climate, visit Smolyan weather in September.
December weather in Smolyan is notably colder than October, with temperatures ranging from a frigid -14°C (8°F) at night to a more moderate average of 2°C (36°F) during the day, peaking at 13°C (55°F). The month experiences significant precipitation, totaling 140 mm (5.5 in) over approximately 13 days, coupled with high humidity around 87%. In contrast, October enjoys a much milder climate, with temperatures varying from a low of -2°C (29°F) to an average of 10°C (51°F) and highs reaching 25°C (77°F). Additionally, October sees less rain, accumulating 78 mm (3.1 in) over just 7 days, and with lower humidity at 76%. For more details, see Smolyan weather in October.
December weather in Smolyan is significantly colder than November, with temperatures dropping to a minimum of -14°C (8°F) and an average of 2°C (36°F), compared to November's milder temperatures ranging from -7°C (20°F) to an average of 6°C (43°F). In addition to the colder conditions, December sees more precipitation, totaling 140 mm (5.5 in) across 13 days, while November experiences less rain at 82 mm (3.2 in) over 9 days. Humidity remains similar between the two months, with December at 87% and November at 85%. For more details on November's climate, you can check Smolyan weather in November.
As December settles over Smolyan, the weather shifts dramatically from the milder months of autumn, ushering in a chill that marks the winter season. With temperatures dipping significantly and an average of 2°C, the crisp air is accompanied by an increase in precipitation, totaling 140 mm over about 13 days. This marks a stark contrast to the drier, warmer months, as humidity rises to 87%, creating a distinctly wintry atmosphere. Those planning to visit will find the landscape transformed into a beautiful snowy wonderland, perfect for winter activities. For a deeper understanding of Smolyan's climate throughout the year, check out Smolyan Climate.