Last updated: August 21, 2025
January in Sveti Vlas, Bulgaria offers a variety of weather experiences, characterized by mild temperatures, with a maximum of 16°C (61°F) and an average of 4°C (39°F). The month can see chilly lows reaching -10°C (14°F), inviting a cozy atmosphere. While the scenery is often transformed by 66 mm (2.6 in) of precipitation over 8 days, the high humidity of 84% adds to the winter's crispness. This unique blend of conditions creates a captivating backdrop for visitors and residents alike, showcasing the beauty of Bulgaria's winter landscape.
In January, Sveti Vlas, Bulgaria experiences a chilly embrace, with temperatures ranging from a brisk -10°C (14°F) at night to a mild 16°C (61°F) during the day, making the average a modest 4°C (39°F). This wintry month heralds the coldest weather of the year, setting the stage for a gradual warming trend as February arrives, with temperatures shifting upwards. Notably, January marks the transition from the harshness of winter toward the early signs of spring, as the days lengthen and warmth begins to seep into the atmosphere. By the end of the month, the sun starts to break through more frequently, hinting at the promise of brighter afternoons and the joyful return of milder weather.
In January, Sveti Vlas experiences a moderate precipitation level of 66 mm (2.6 in), spread across approximately 8 days. This marks a noticeable start to the year, as precipitation levels decline in February to 48 mm (1.9 in) and continue fluctuating throughout the spring months. By March, rainfall slightly increases again to 57 mm (2.3 in), reflecting the transition to a wetter season. As the year progresses, the summer months witness a spike, particularly in June with 82 mm (3.2 in) of rainfall, while August experiences a stark drop to just 15 mm (0.6 in), showcasing a distinct seasonal pattern. This rhythmic shift indicates that January sets the tone for the wetter months ahead, before the drier summer spell rolls in, allowing for a unique interplay of climate throughout the year in this picturesque Bulgarian locale.
In Sveti Vlas, Bulgaria, January experiences a humidity level of 84%, creating a noticeably damp atmosphere that lingers into February. As the winter months progress, humidity gradually decreases, dropping to 81% in February and further to 79% in March. This trend continues into spring, where April sees a more comfortable 75%. However, as summer approaches, humidity stabilizes around lower levels, reaching its peak dryness in August at 60%. Interestingly, as the seasons transition back to fall, humidity begins to rise again, peaking at 84% once more in December. Overall, the data illustrates a clear seasonal rhythm in Sveti Vlas's humidity, from the high dampness of winter to the refreshing lows of summer.
In January, Sveti Vlas experiences a low UV Index of 2, with a burn time of 45 minutes allowing residents and visitors to enjoy the outdoors with minimal risk. As the months progress, the UV Index gradually increases, peaking at a striking 9 from June to August, indicating very high exposure, necessitating caution with a burn time shrinking to just 15 minutes. Interestingly, this trend reveals a clear shift from the winter months, where sun exposure is safer, to summer, when the sun’s intensity calls for increased protective measures. After the summer peak, UV levels moderate again in September and October, before returning to low levels in December. This fluctuation underscores the importance of sun safety throughout the year. For a detailed overview of the UV Index in Sveti Vlas, visit Sveti Vlas UV Index.
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In January, Sveti Vlas embraces a refreshing chill with 165 hours of sunshine, a gentle start to the year that paves the way for brighter days ahead. As February arrives, the sunshine begins to increase noticeably, reaching 227 hours, heralding the gradual transition towards spring. By March, the warmth begins to take hold with 289 hours of sunlight, enticing visitors to explore the beauty of this coastal gem. The trend continues through April and May, where the hours of sunshine escalate to 349 and 396 hours, respectively, creating the perfect backdrop for blooming landscapes. June and July peak with 405 and 429 hours of radiant sunshine, making it the ideal time for beach lovers to bask in the golden rays. As summer ebbs into August, the sun remains generous with 405 hours, while September signals a subtle decline at 341 hours, reminding us that delightful days still linger. The transition to fall brings fewer hours, with October at 284 hours, and as the year wraps up, November and December offer a cozy 223 and 210 hours of sunshine, inviting locals and travelers to relish the serene beauty of Sveti Vlas during the quieter months. Overall, the steady increase in sunlight from winter to summer showcases this enchanting destination's myriad seasonal charms.
When considering a visit to Sveti Vlas, Bulgaria in January, it’s important to note that the chances of experiencing sunny weather are relatively low, at 28%. This trend marks a significant contrast to the sunnier months that follow; February sees a notable increase to 41%, and by March, the likelihood climbs further to 44%. As spring progresses into summer, the chances of sunny days soar dramatically, peaking in the high summer months, with July boasting a remarkable 77%. Therefore, while January may be less bright and cheerful, it's a prelude to the vibrant and sun-soaked experiences awaiting in the latter months!
In Sveti Vlas, Bulgaria, January welcomes a modest 9 hours of daylight, setting a peaceful tone for the new year. As the seasons transition, February brings an increase to 10 hours, hinting at the impending vitality of spring. By March, daylight extends to 11 hours, invigorating the days further. The upward trend continues in April, where daylight stretches to 13 hours, and May shines with a vibrant 14 hours of sunlight, perfect for enjoying the picturesque coastline. June reaches its peak at 15 hours, providing ample time for outdoor activities. Even in July, with 14 hours of daylight, the allure of summer remains strong, while August starts a gentle decline to 13 hours. As autumn approaches, September offers 12 hours, and by October and November, daylight returns to 11 and 9 hours respectively, echoing the softer light of winter. Finally, December sees a return to 9 hours of daylight, closing the year with a reflective cadence, encapsulating the rhythmic cycle of light that defines this charming coastal destination.
In January, Sveti Vlas experiences an average wind speed of 4.5 m/s (10 mph), making it one of the brisker months of the year. This refreshing wind sets the stage for a lively start to the new year, before gradually tapering off in February and April, where speeds dip to 3.9 m/s (9 mph) and 2.9 m/s (7 mph), respectively. As spring arrives, the winds remain mild, with March offering a slight increase at 4.1 m/s (9 mph), while summer months like June and August settle into a gentle breeze of 2.8 m/s (6 mph) and 3.0 m/s (7 mph). Notably, October brings a revitalizing increase back to 4.6 m/s (10 mph), showcasing a seasonal pattern that ebbs and flows, transitioning from invigorating winter gusts to the calmer summer winds before shifting yet again as the year draws to a close.
Weather in Sveti Vlas varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sveti Vlas, focusing on differences in temperature, rainfall, humidity, and UV levels.
January typically presents colder temperatures, with a minimum reaching -10°C (14°F) and an average of 4°C (39°F). In contrast, February sees a slight warming, with minimum temperatures around -5°C (23°F) and an average of 6°C (42°F). Precipitation levels are also lower in February, totaling only 48 mm (1.9 in) over about 7 days, compared to January’s 66 mm (2.6 in) over 8 days. Additionally, February experiences slightly lower humidity levels at 81%, compared to January's 84%. For more details on the weather during this month, check out Sveti Vlas weather in February.
In January, temperatures range from a low of -10°C (14°F) to a high of 16°C (61°F), with an average of 4°C (39°F). The month tends to be quite humid, with an average humidity of 84%, and experiences about 66 mm (2.6 in) of precipitation over 8 days. In contrast, March sees slightly milder weather, with temperatures ranging from -9°C (16°F) to a maximum of 19°C (67°F) and an average of 7°C (45°F). While March has a bit less precipitation at 57 mm (2.3 in) over 9 days, the relative humidity is lower at 79%. For a detailed look at the weather in March, you can check this link: Sveti Vlas weather in March.
In January, the weather is characterized by much colder temperatures, with a minimum of -10°C (14°F) and an average temperature of 4°C (39°F), reaching a maximum of 16°C (61°F). January also experiences a higher level of precipitation at 66 mm (2.6 in) over 8 days, accompanied by high humidity of 84%. In contrast, April brings a significant warming trend, with temperatures ranging from a minimum of 2°C (36°F) to an average of 10°C (51°F) and a pleasant maximum of 23°C (73°F). Precipitation decreases to 40 mm (1.6 in) over 7 days, and humidity levels drop to 75%. For more detailed information on the weather during this transition, you can check out Sveti Vlas weather in April.
In January, the weather is quite chilly, with temperatures ranging from a brisk -10°C (14°F) to a maximum of 16°C (61°F) and an average of 4°C (39°F). There is significant humidity at 84%, and precipitation is relatively high, with around 66 mm (2.6 in) falling over 8 days. In contrast, May brings much warmer temperatures, starting from a minimum of 7°C (45°F) and peaking at a pleasant 27°C (81°F) with an average of 16°C (62°F). The humidity is slightly lower at 77%, and precipitation decreases to 46 mm (1.8 in) over the same number of days. For more insights into May weather, you can explore Sveti Vlas weather in May.
In January, the weather is characterized by much colder temperatures, with a minimum of -10°C (14°F) and an average of 4°C (39°F), compared to the warmer June, which sees a minimum of 12°C (53°F) and an average of 21°C (70°F). While January experiences less precipitation overall, with 66 mm (2.6 in) over 8 days, June is slightly wetter, receiving 82 mm (3.2 in) across 14 days. Additionally, January has a higher humidity level at 84%, whereas June's humidity drops to a more comfortable 71%. For more details on the climate, you can check out Sveti Vlas weather in June.
January and July present strikingly contrasting weather conditions. In January, temperatures range from a chilly minimum of -10°C (14°F) to a mild maximum of 16°C (61°F), with an average of 4°C (39°F). The month experiences about 66 mm (2.6 in) of precipitation over 8 days and a high humidity level of 84%. In contrast, July boasts significantly warmer weather, with temperatures ranging from a minimum of 16°C (62°F) to a sweltering maximum of 33°C (91°F), averaging around 23°C (75°F). This month receives less precipitation at 50 mm (2.0 in) over 7 days and lower humidity at 69%. For more details on the warm conditions, you can explore Sveti Vlas weather in July.
In January, the weather is quite cold, with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 16°C (61°F), and an average temperature of 4°C (39°F). The month experiences significant precipitation, totaling 66 mm (2.6 in) over approximately 8 days, alongside high humidity at 84%. In contrast, August presents a much milder climate with a temperature range from 16°C (62°F) to 33°C (91°F), featuring an average temperature of 24°C (76°F). Precipitation is minimal during this month, amounting to only 15 mm (0.6 in) spread across about 3 days, and humidity is lower at 60%. For further details on the August weather, you can check Sveti Vlas weather in August.
The weather in January and September presents a stark contrast, showcasing the transition from winter to early autumn. In January, temperatures can plunge as low as -10°C (14°F) with an average of 4°C (39°F), while September enjoys much milder conditions, with averages around 21°C (69°F) and highs reaching up to 30°C (86°F). January is characterized by a higher humidity level of 84% and more precipitation, totaling 66 mm (2.6 in) over about 8 days, compared to September's lighter rainfall of just 22 mm (0.9 in) over 5 days and lower humidity at 63%. For a closer look at what to expect during September, check out this link: Sveti Vlas weather in September.
January and October exhibit striking contrasts in weather conditions. In January, temperatures can drop to a chilling minimum of -10°C (14°F), with an average of 4°C (39°F) and a maximum reaching only 16°C (61°F). The month experiences significant humidity at 84% and sees about 66 mm (2.6 in) of precipitation over 8 days. In contrast, October brings milder temperatures, with minimums around 7°C (45°F), an average of 15°C (60°F), and pleasant highs of up to 27°C (81°F). Precipitation in October is slightly more at 69 mm (2.7 in) but occurs over just 7 days, highlighting a drier atmosphere with a humidity level of 76%. For those interested in detailed weather insights, check Sveti Vlas weather in October.
In January, the weather is significantly colder, with minimum temperatures dropping to -10°C (14°F) and an average of only 4°C (39°F). In contrast, November presents milder conditions, with minimum temperatures around -1°C (30°F) and an average temperature of 11°C (52°F). While both months experience similar levels of precipitation and humidity, January tends to feel much chillier, with higher humidity at 84% compared to November's 81%. The days of precipitation are the same for both months, each seeing rain on about 8 days, but November’s temperatures make it a more comfortable month overall. For more details, you can check out the Sveti Vlas weather in November.
When comparing the weather in January and December, we can see some notable differences. January experiences colder temperatures, with a minimum of -10°C (14°F) and an average of 4°C (39°F), while December is milder, with a minimum of -5°C (24°F) and an average of 7°C (45°F). Precipitation is slightly higher in December at 75 mm (2.9 in) over 10 days, compared to January's 66 mm (2.6 in) over 8 days. Both months maintain a consistent humidity level of 84%, creating a damp atmosphere throughout the winter. For more detailed information on December weather, you can visit Sveti Vlas weather in December.
January in Sveti Vlas presents a stark contrast to the warmer months, offering a unique glimpse into the region's winter climate. Temperatures can plummet to a chilly minimum of -10°C, making it the coldest month of the year, while the average temperature hovers around a brisk 4°C. Compared to the summer's warmth, this winter month also sees increased humidity at 84% and a noticeable amount of precipitation spread across about eight days, resulting in a cozy yet damp atmosphere. For a deeper understanding of what to expect year-round, visit Sveti Vlas Climate.