Last updated: August 21, 2025
In Razlog, Bulgaria, December unveils a chilly atmosphere, with temperatures ranging from a maximum of 11°C (52°F) to a brisk minimum of –21°C (–6°F). The month sees an average temperature of around –1°C (30°F), highlighting the winter's chill. With 102 mm (4.0 in) of precipitation spread across 13 days, residents and visitors alike can expect overcast skies interspersed with light snow and rain. The high humidity level of 87% further contributes to the frosty feel, enveloping the town in a serene, wintry ambience that's perfect for holiday festivities.
In Razlog, Bulgaria, December ushers in the heart of winter, with temperatures dipping significantly as the year comes to a close. The minimum temperatures can plunge to a brisk -21°C (-6°F), while daily averages hover around -1°C (30°F), providing a sharp contrast to the milder weather of earlier months. The maximum temperatures reach a chilly 11°C (52°F), illustrating that although the days are cold, they can still offer a glimpse of warmth under the right conditions. This month marks a notable transition where the landscape transforms into a winter wonderland, setting the stage for holiday festivities and winter sports. As the first snows blanket the region, December truly encapsulates the essence of the season in Razlog, inviting both locals and visitors to embrace its frosty charm.
In December, Razlog experiences a notable increase in precipitation, with 102 mm (4.0 in) falling over approximately 13 days. This marks a significant uptick compared to the preceding months, particularly November's 62 mm across only 8 days. December's rainfall is pivotal in preparing the region for the winter season, embodying a transition from the autumn dryness of earlier months. The precipitation peaks in summer with a striking 162 mm in June, but winter sets in with its own distinct patterns, suggesting a shift in weather dynamics as the year draws to a close. This consistent moisture in December not only contributes to the area's vibrant landscape but also supports the local ecosystem through the colder months ahead.
In Razlog, Bulgaria, December brings a notable increase in humidity, soaring to 87%, a slight rise from November’s 85%. As the year transitions into winter, this uptick in moisture is characteristic of the colder months. Humidity levels in Razlog exhibit a downward trend from the peak summer months, where August records a low of 47%. However, the winter months generally experience a resurgence, as seen with December's figures, reflecting a clear seasonal pattern. Overall, the data illustrates a moderate but steady fluctuation in humidity across the year, emphasizing Razlog's distinct seasonal climate.
As the year progresses in Razlog, Bulgaria, the UV Index reflects a notable trend in sun exposure. December keeps the UV Index at a moderate level of 3, similar to the beginning of the year in January. This means that residents and visitors alike can enjoy outdoor activities with a comfortable burn time of 30 minutes before needing sun protection. However, as we move through the months, there’s a clear escalation in UV levels, peaking during the summer months of June through August, where the index reaches an extreme 11. It's crucial to stay vigilant during this period with reduced burn times, while the colder months allow for a more carefree approach to sun exposure. For those interested in tracking changes, you can find more information on the Razlog UV Index.
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In Razlog, Bulgaria, December brings a gentle decline in sunshine hours, with 214 hours illuminating the month as winter settles in. This is part of a broader trend that sees daylight hours starting to recede after the summer peak of 422 hours in July. Following this summer apex, the hours gradually taper off, creating a rhythm of light that complements the changing seasons. From the promising 393 hours in June and May to the more modest totals seen in November and January, December's sunlight serves as a soft reminder of the cozy ambiance of winter. As the landscape transforms under a blanket of snow, the glimmers of daylight become precious, encouraging a reflective pause amid the festive spirit.
In Razlog, Bulgaria, the likelihood of sunny weather in December hovers at 31%, reflecting a trend of diminishing sunshine as winter takes hold. While the year kicks off with a modest 26% chance of sun in January, the percentage gradually climbs through the early spring months, peaking at a notable 74% in the heart of summer. However, as autumn fades into winter, December’s sun chances dip slightly, mirroring November's 32%. This pattern emphasizes the seasonal transition, where the vibrancy of summer's rays gives way to the more subdued sunlight typical of winter months, making December a month where clear skies are a delightful rarity rather than the norm.
As the year draws to a close in Razlog, Bulgaria, December ushers in a return to the shorter daylight hours, offering just 9 hours of light each day, mirroring January's brevity. This seasonal shift is part of a broader trend, where daylight gradually increases from 9 hours in January to a peak of 15 hours in June, creating a vibrant spring and summer that bask in extended sunlight. From July onward, the days begin to shorten again, showcasing nature's rhythmic cycle. As December settles in, the diminishing light reminds us of winter's embrace, even as the promise of longer days looms just around the corner with the onset of the new year. This ebb and flow of daylight not only marks the changing seasons but also invites a deeper appreciation for each fleeting moment of sunshine as we cozy up during the winter months.
As December sweeps into Razlog, Bulgaria, it brings with it a delightful shift in wind patterns. The average wind speed rises to 2.0 m/s (5 mph), mirroring the briskness often associated with winter's embrace. This marks a notable increase compared to the calmer months of late summer and early autumn, where speeds hovered around 1.6 to 1.7 m/s (4 mph). The transition into December's winds signals a change in atmosphere, inviting residents and visitors alike to enjoy the crisp, invigorating air. It’s a time when the gentle breeze feels both refreshing and invigorating, perfectly complementing the enchanting winter landscape.
Weather in Razlog varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Razlog, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures typically range from a minimum of -21°C (-6°F) to a maximum of 11°C (52°F), with an average temperature of -1°C (30°F). This month experiences considerable precipitation, totaling 102 mm (4.0 in) over 13 days, and humidity levels remain high at 87%.
In comparison, January sees slightly colder temperatures with a minimum of -23°C (-9°F) and a maximum of 9°C (48°F), while the average temperature drops to -4°C (25°F). Precipitation decreases to 76 mm (3.0 in) over 10 days, and humidity climbs marginally to 88%. Overall, while both months are characterized by low temperatures and high humidity, January is cooler and slightly drier than December. For more details on January weather, visit Razlog weather in January.
In December, the weather features a significant humidity level of 87% and experiences temperatures ranging from a minimum of -21°C (-6°F) to a maximum of 11°C (52°F), with an average temperature of -1°C (30°F). This month also sees substantial precipitation, totaling 102 mm (4.0 in) over approximately 13 days. In contrast, February shares a similar temperature range, with a minimum of -21°C (-5°F) and a maximum of 13°C (55°F), but it enjoys slightly lower humidity at 83%. Additionally, February records less rainfall, accumulating 65 mm (2.6 in) across 10 days. For more detailed insights into the weather patterns, you can visit Razlog weather in February.
When comparing December and March weather, notable differences and similarities emerge. December experiences colder temperatures with an average of -1°C (30°F) and a maximum of only 11°C (52°F), whereas March sees a slight warming trend with an average of 1°C (34°F) and a maximum reaching up to 16°C (62°F). Precipitation levels are relatively close, with December receiving 102 mm (4.0 in) and March a bit more at 111 mm (4.4 in), both occurring over 13 days. Humidity is higher in December at 87%, compared to March's 81%. For a more detailed look at March conditions, you can explore Razlog weather in March.
December and April present contrasting weather experiences. In December, temperatures can drop as low as -21°C (-6°F), with an average of -1°C (30°F) and a maximum of 11°C (52°F). This month tends to be quite humid, with an average humidity of 87% and about 102 mm (4.0 in) of precipitation over 13 days. In contrast, April brings milder temperatures, with lows around -10°C (14°F) and highs reaching 20°C (69°F), resulting in an average of 6°C (42°F). The precipitation slightly decreases to 91 mm (3.6 in), with the same 13 days of rain, but humidity drops to a more comfortable 71%. For more specifics on April weather, you can check Razlog weather in April.
In December, the weather is significantly colder, with average temperatures hovering around -1°C (30°F) and nighttime lows plunging to -21°C (-6°F). The month also sees substantial precipitation of 102 mm (4.0 in) over 13 days, combined with high humidity levels of 87%. In contrast, May welcomes warmer temperatures, with averages reaching 11°C (51°F) and daytime highs peaking at 24°C (76°F). While May experiences slightly higher precipitation at 115 mm (4.5 in) over 19 days, the humidity is notably lower at 74%. For more details, you can check Razlog weather in May.
December and June exhibit strikingly different weather patterns. In December, temperatures can plummet to a chilling minimum of -21°C (-6°F), with an average of -1°C (30°F) and a maximum of 11°C (52°F). The month sees considerable precipitation at 102 mm (4.0 in) over 13 days, coupled with high humidity levels of 87%, creating a cold and damp atmosphere. In contrast, June brings a much milder climate, where temperatures range from a minimum of 1°C (34°F) to an average of 14°C (57°F) and peak at 28°C (83°F). Rainfall increases to 162 mm (6.4 in), spread across 20 days, but the humidity drops significantly to 63%, resulting in a more comfortable and pleasant environment. For more insights, you can visit Razlog weather in June.
December and July present starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -21°C (-6°F), with an average temperature around -1°C (30°F) and a maximum of 11°C (52°F). This month is characterized by high humidity at 87% and considerable precipitation, receiving about 102 mm (4.0 in) over 13 days. In contrast, July offers a much milder climate, with minimum temperatures around 6°C (43°F) and average temperatures reaching 16°C (62°F), peaking at a maximum of 30°C (86°F). The summer month experiences lower humidity at 60% and slightly less precipitation, totaling 89 mm (3.5 in) over 14 days. For those interested in a detailed overview of July weather, you can find more information here: Razlog weather in July.
December and August present stark contrasts in weather. December typically experiences frigid temperatures, with a minimum of -21°C (-6°F) and an average of -1°C (30°F), topped off with a maximum of 11°C (52°F). This winter month also sees significant precipitation, totaling 102 mm (4.0 in) over 13 days, coupled with high humidity at 87%. In contrast, August brings a much warmer climate, with temperatures ranging from a minimum of 5°C (42°F) to an average of 17°C (63°F) and a peak of 30°C (86°F). The summer month enjoys less precipitation, amounting to 59 mm (2.3 in) over just 8 days, and lower humidity at 47%. For more specific details, check Razlog weather in August.
In comparing the weather between December and September, it's evident that December is significantly colder, with average temperatures hovering around -1°C (30°F) and occasional lows dipping as low as -21°C (-6°F). In contrast, September enjoys milder temperatures, averaging 13°C (55°F), with highs reaching up to 27°C (81°F).
Additionally, December experiences higher precipitation, with 102 mm (4.0 in) over 13 days, compared to September's 48 mm (1.9 in) over just 8 days. Humidity levels also differ markedly, with December's humidity at 87%, making it feel quite damp, while September has a more comfortable humidity level of 57%. For a closer look at Razlog's climate in September, you can check Razlog weather in September.
In comparing the weather between December and October, December is notably colder, with average temperatures hovering around -1°C (30°F) and a minimum plummet to -21°C (-6°F). In contrast, October enjoys a milder climate, with temperatures ranging from a low of -4°C (25°F) to a comfortable average of 8°C (47°F) and occasional peaks of 23°C (74°F). Additionally, December experiences significantly higher precipitation, with 102 mm (4.0 in) over about 13 days, while October has less rain at 67 mm (2.6 in) across 8 days. The humidity is also higher in December at 87%, compared to October's 76%. For more detailed information, you can check the Razlog weather in October.
December weather presents a significant shift from November as temperatures drop considerably. In December, the minimum temperature can plummet to -21°C (-6°F), while the average temperature hovers around -1°C (30°F) with a maximum of 11°C (52°F). This contrasts sharply with November, where temperatures range from a minimum of -12°C (11°F) to a more comfortable average of 4°C (39°F) and a maximum reaching 19°C (67°F). Additionally, December sees increased precipitation, totaling 102 mm (4.0 in) over 13 days, compared to November's 62 mm (2.5 in) over just 8 days. The humidity remains relatively high in both months, with December at 87% and November at 85%. For more details on this month's weather, you can check Razlog weather in November.
In Razlog, December brings a notable shift in weather, characterized by colder temperatures and increased precipitation compared to other months. The chill of winter sets in, with average temperatures dipping significantly, creating a stark contrast to the milder conditions of fall. Humidity levels peak, contributing to an atmospheric chill, while the number of rainy days rises, making December a month of varied weather patterns. This transition not only affects daily life but also enhances the region's natural beauty, preparing it for the picturesque winter landscape. For more insights on what to expect throughout the year, visit Razlog Climate.