January Weather in Stara Zagora, Bulgaria

Last updated: August 21, 2025

January in Stara Zagora, Bulgaria brings a diverse range of temperatures, with a maximum reaching up to 15°C (60°F) and a minimum plummeting to -15°C (6°F). The average temperature hovers around 1°C (35°F), reflecting the chilly atmosphere of mid-winter. Rainfall is modest, totaling approximately 50 mm (2.0 in) over 8 days, contributing to the region's high humidity level of 88%. As January unfolds, residents and visitors can expect a blend of frosty days and intermittent precipitation, setting a serene winter scene in this historic city.

January Temperature in Stara Zagora

January in Stara Zagora, Bulgaria, showcases a striking winter landscape, with temperatures ranging from a chilly -15°C (6°F) to a mild 15°C (60°F). This month typically experiences a mean temperature of around 1°C (35°F), making it one of the coldest times of the year. As the month progresses into February, a slight warming trend begins, with minimums rising to -10°C (14°F) and average temperatures nudging up to 4°C (40°F). Notably, the colder temperatures often dip lower in January, particularly hitting lows of -18°C (0°F) if March follows the trend of fluctuating temperatures. The gradual shift from winter to spring is evident as temperatures steadily increase through the coming months, culminating in much warmer spring and summer highs. Overall, January serves as a pivotal point, highlighting the notable contrast between the harsh winter chill and the promise of the warmer days ahead.

January Weather in Stara Zagora: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Stara Zagora, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stara Zagora, January 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).
JanFebMarAprMayJunJulAugSepOctNovDec343944536269747568574739
Data source: Temperature data for Stara Zagora generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Stara Zagora

In January, Stara Zagora experiences a moderate start to the year with 50 mm (2.0 in) of precipitation over approximately 8 days. This sets the stage for a pattern of relatively consistent rainfall as winter transitions into spring. Following January, precipitation slightly decreases in February, dropping to 48 mm (1.9 in), but then rises again in March, reaching 69 mm (2.7 in). Interestingly, while January's rainfall is more evenly distributed over its days, the coming months exhibit a gradual uptick in both precipitation amounts and the number of rainy days, peaking in June with a notable 104 mm (4.1 in) across 16 days. This trend towards increased rainfall not only signals the shift to the warmer months but also serves as a precursor to the drier summer, where August sees a significant dip to just 23 mm (0.9 in) over 6 days. Overall, January’s precipitation lays the groundwork for the dynamic patterns that unfold throughout the year in this captivating Bulgarian region.

January Precipitation Trends in Stara Zagora

The chart displays monthly precipitation patterns in Stara Zagora, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Stara Zagora, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5048704767104662318706086
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Stara Zagora

In January, Stara Zagora experiences a notably high average humidity of 88%, setting the tone for a winter characterized by damp conditions. As the year progresses into February, humidity slightly decreases to 84%, offering a hint of relief. However, as spring approaches, the humidity continues to decline, reaching 81% in March and dropping further to 70% in April. This trend of decreasing humidity persists into the warmer months, with levels at 66% in June and peaking at their lowest point of 48% in August, signaling the driest period of the year. Yet, as autumn settles in, Stara Zagora witnesses a resurgence in humidity levels, climbing back to 78% by October and maintaining a high of 85% in November before rounding out the year with 87% in December. This cycle showcases a clear seasonal trend, with pronounced moisture in the winter and autumn months, contrasted by a drier summer.

January Average Humidity in Stara Zagora

This chart illustrates the average monthly humidity levels in Stara Zagora, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Stara Zagora is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%84%81%70%72%66%62%48%58%78%85%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Stara Zagora

In January, Stara Zagora experiences a UV Index of 2, indicating low exposure levels with a safe burn time of 45 minutes under the sun. This relatively mild index reflects a gradual transition into the year, highlighting a pattern where winter months tend to have lower UV exposure. As February approaches, the UV Index rises to 4, shifting to a moderate category with a burn time of 30 minutes. The trend continues to escalate, reaching 6 in March and peaking at 8 during April, which signals a significant increase in sun intensity as warmer weather emerges. This pattern of rising UV levels continues into the summer months, peaking at 10 in June before slightly tapering off by September. By December, the cycle completes its circle, returning to a low UV Index of 2. Understanding these fluctuations is crucial for sun safety throughout the year. For more detailed information, visit the Stara Zagora UV Index.

Maximum UV Index Levels in Stara Zagora for January

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

January Sunshine in Stara Zagora

January in Stara Zagora, Bulgaria, welcomes the year with 172 hours of sunshine, a humble beginning that sets the stage for a gradual increase in daylight. As winter transitions to spring, February brings 231 hours of brightening warmth, hinting at the promise of longer days ahead. The sun continues to shine more brightly in March with 286 hours, and by April, the sun's embrace intensifies, reaching 345 hours—a clear indication that spring is in full bloom. The trend peaks in the summer months, especially in July, where residents bask in an impressive 426 hours of sunshine. This remarkable radiance gradually dims in August and September, yet still remains generous, with 404 hours and 342 hours, respectively. As the year winds down, the daylight diminishes again, leaving behind 216 hours in December. This cyclical dance of sunlight not only highlights the vibrancy of Stara Zagora’s seasons but also invigorates the spirit of its residents as they move from one sunny milestone to the next.

Monthly Sunshine Duration in Stara Zagora: January Highlighted

The January sunshine duration represents the total number of hours Stara Zagora experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec172h231h286h345h393h401h426h404h342h289h231h216h
Data source: Stara Zagora January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Stara Zagora During January

In Stara Zagora, Bulgaria, January greets visitors with a 28% chance of sunny weather, marking it as one of the cooler months for sunshine. This trend of limited sunlight transitions into February, where the likelihood nearly doubles to 47%, suggesting a gentle shift towards brighter days. As spring approaches, the chances of sun remain relatively steady at 44% in both March and April, before reaching a peak of 45% in May. The warmth of summer brings a dramatic increase, with July boasting 79% sunny days, a stark contrast to the winter months. Overall, while January may be modest in sunshine, the gradual build-up through February and into spring ultimately sets the stage for the sun-drenched glory of summer in Stara Zagora.

Percentage of Sunny Days in January in Stara Zagora

The chart illustrates the percentage of sunny days in Stara Zagora throughout the year, with January 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 Stara Zagora experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%47%44%44%45%47%79%75%54%38%35%31%
Data source: Stara Zagora January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Stara Zagora in January

In Stara Zagora, Bulgaria, the month of January ushers in 9 hours of daylight, setting the stage for a gradual increase in sunlight as the year progresses. By February, this number climbs to 10 hours, signaling the onset of longer days. The trend continues into March and April, with daylight extending to 11 and 13 hours, respectively, as spring awakens. May delights with 14 hours of daylight, peaking in June at a bright 15 hours. However, as summer gives way to autumn, the daylight begins to wane, with July and August measuring 14 and 13 hours of light. September sees a slight decrease to 12 hours, paving the way for the shorter days of fall and winter. Ultimately, by November and December, daylight returns to 9 hours, completing the cycle and reminding us of nature's rhythmic ebb and flow. This beautiful dance between light and darkness offers a captivating glimpse into the seasonal changes experienced in this charming Bulgarian region.

Average Daylight Hours in Stara Zagora for January

The chart illustrates the variation in daylight duration in Stara Zagora throughout the year, with January 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: Stara Zagora daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Stara Zagora

In Stara Zagora, Bulgaria, the January winds are gentle, with an average speed of 2.2 m/s (5 mph), mirroring the stillness of February. These months exhibit a notable consistency in wind patterns, as the breezes remain relatively calm throughout early winter. As spring approaches in March, there's a slight increase to 2.3 m/s, hinting at the invigorating change of season. However, as warmer months roll in, particularly from April to June, the winds tend to soften, reaching a low of 1.7 m/s in June. The summer months bring a subtle resurgence, with speeds returning to 2.3 m/s in July. As autumn descends, wind speeds stabilize again, suggesting that while January might start the year cool and breezy, it's the seasonal transitions that reveal a dynamic yet generally calm wind profile across the months.

Average January Wind Speed in Stara Zagora

The chart displays monthly wind speed patterns in Stara Zagora, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.2 m/s2.22.31.92.21.72.32.02.12.11.62.2
Data source: Stara Zagora January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Stara Zagora Compares to Other Months

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

January and February present notable differences in weather patterns. In January, temperatures range from a chilly minimum of -15°C (6°F) to a mild maximum of 15°C (60°F), with an average of 1°C (35°F). The month sees about 50 mm (2.0 in) of precipitation over 8 days, accompanied by high humidity at 88%. In contrast, February experiences slightly warmer temperatures, with a minimum of -10°C (14°F) and a maximum reaching 19°C (66°F), averaging 4°C (40°F). Precipitation is comparable at 48 mm (1.9 in) over the same number of days, but humidity decreases slightly to 84%. For more detailed insights, check out Stara Zagora weather in February.

In January, temperatures typically range from a minimum of -15°C (6°F) to a maximum of 15°C (60°F), with an average temperature of 1°C (35°F). The month experiences about 50 mm (2.0 in) of precipitation over approximately 8 days, accompanied by a high humidity level of 88%. In contrast, March sees slightly lower minimum temperatures of -18°C (0°F) but an increase in average temperatures to 7°C (44°F) and highs reaching up to 22°C (72°F). Precipitation also rises to 69 mm (2.7 in) across about 11 days, though the overall humidity decreases slightly to 81%. For more details on the weather patterns in March, you can visit Stara Zagora weather in March.

January and April present contrasting weather patterns. In January, the temperatures range from a chilly minimum of -15°C (6°F) to a mild maximum of 15°C (60°F), with an average of around 1°C (35°F). The month experiences significant humidity at 88%, coupled with about 50 mm (2.0 in) of precipitation over 8 days. In stark contrast, April sees a more moderate climate, with temperatures ranging from a minimum of -1°C (30°F) to a pleasant maximum of 27°C (81°F), and an average of 11°C (53°F). Although April is slightly wetter with 47 mm (1.9 in) of precipitation over 9 days, the humidity drops to a more comfortable 70%. For more detailed information, visit Stara Zagora weather in April.

In January, the weather is notably colder, with temperatures ranging from a minimum of -15°C (6°F) to an average of 1°C (35°F), and reaching a maximum of 15°C (60°F). The month experiences about 50 mm (2.0 in) of precipitation over 8 days, accompanied by high humidity levels at 88%. In contrast, May brings a significant warmth, with temperatures varying from a minimum of 4°C (40°F) to an average of 17°C (63°F), and peaking at 32°C (89°F). The increased precipitation in May totals 66 mm (2.6 in) over 12 days, but with a lower humidity of 72%. For more detailed information on the weather in May, visit Stara Zagora weather in May.

In January, the weather in Stara Zagora is characterized by chilly temperatures, with lows reaching down to -15°C (6°F) and averaging around 1°C (35°F). The month sees about 50 mm (2.0 in) of precipitation spread over 8 days, coupled with high humidity levels at 88%. In stark contrast, June brings a significant shift, with temperatures ranging from a minimum of 8°C (46°F) to a scorching maximum of 36°C (96°F) and an average of 21°C (69°F). While June experiences a higher total precipitation of 104 mm (4.1 in) over 16 days, the humidity drops to a more comfortable 66%, making it a much warmer and wetter month. For more detailed information, you can check Stara Zagora weather in June.

January and July present stark contrasts in weather conditions. January sees temperatures ranging from a chilly -15°C (6°F) to a mild 15°C (60°F), with an average temperature of just 1°C (35°F). The month is characterized by high humidity at 88% and receives about 50 mm (2.0 in) of precipitation over 8 days. In contrast, July offers a much warmer climate, with temperatures between a comfortable 12°C (54°F) and a sweltering 38°C (100°F), and an average temperature of 23°C (74°F). Despite higher precipitation at 66 mm (2.6 in) across 10 days, humidity drops to a more moderate 62%. For more details, you can check Stara Zagora weather in July.

January and August present a striking contrast in weather conditions. In January, the temperatures range from a chilly minimum of -15°C (6°F) to a mild maximum of 15°C (60°F), with an average of 1°C (35°F). The month experiences high humidity at 88% and sees around 50 mm (2.0 in) of precipitation over 8 days. In sharp contrast, August boasts a much warmer climate, with temperatures varying from a minimum of 12°C (53°F) to a scorching maximum of 39°C (103°F) and an average of 24°C (76°F). This summer month is characterized by lower humidity at 48% and significantly less precipitation, totaling just 23 mm (0.9 in) over 6 days. For more details on the weather specifics in August, check out Stara Zagora weather in August.

The contrast between January and September weather is quite striking. In January, temperatures can plummet as low as -15°C (6°F), with an average temperature of just 1°C (35°F), while highs can reach up to 15°C (60°F). The month sees considerable precipitation, totaling around 50 mm (2.0 in) over about 8 days, accompanied by high humidity levels at 88%. In contrast, September boasts much milder temperatures, with a minimum of 3°C (38°F) and an average of 20°C (68°F), peaking at a warm 35°C (95°F). Precipitation is significantly lower, at 18 mm (0.7 in) across only 4 days, and humidity drops to a more comfortable 58%. For a closer look at September weather in Stara Zagora, you can check Stara Zagora weather in September.

In January, the weather is quite cold, with temperatures ranging from a frigid minimum of -15°C (6°F) to a maximum of 15°C (60°F), averaging around 1°C (35°F). The month sees about 50 mm (2.0 in) of precipitation over 8 days, coupled with high humidity at 88%. In contrast, October offers a much milder climate; temperatures start at a minimum of 1°C (34°F) and can reach up to 32°C (90°F), with an average of 14°C (57°F). This month experiences slightly more rainfall at 70 mm (2.7 in) over 7 days, but the humidity is lower at 78%. For a detailed look at the October weather in Stara Zagora, visit Stara Zagora weather in October.

In January, temperatures can drop significantly, with a minimum of -15°C (6°F) and an average of around 1°C (35°F), making it the coldest month of the year. In contrast, November has milder weather with a minimum of -3°C (26°F) and an average of 8°C (47°F), providing a more pleasant climate as the seasons transition. While both months experience similar levels of precipitation, with January receiving 50 mm (2.0 in) and November slightly higher at 60 mm (2.4 in), the humidity remains relatively consistent, with January at 88% and November at 85%. For more detailed insights, check out Stara Zagora weather in November.

In January, temperatures tend to drop significantly, with minimums plunging to -15°C (6°F) and an average of around 1°C (35°F), while December sees milder conditions, with temperatures ranging from a low of -8°C (18°F) to an average of 4°C (40°F). Additionally, January experiences less precipitation, totaling 50 mm (2.0 in) over about 8 days, compared to December's 86 mm (3.4 in) spread over 11 days. Both months have similar humidity levels, with January sitting at 88% and December slightly lower at 87%. For more detailed information on December weather, you can visit Stara Zagora weather in December.

Compare Stara Zagora's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Stara Zagora

As winter unfolds in Stara Zagora, January stands out with its chilly temperatures and notable humidity, marking a distinct departure from the milder months surrounding it. The average temperature hovers just above freezing, while the risk of frost can push lows down to -15°C. Despite the cold, January brings approximately 50 mm of precipitation over about eight days, contributing to the area's lush landscapes for the year ahead. For those seeking detailed insights into how January fits into the broader seasonal patterns in Stara Zagora, explore more at Stara Zagora Climate.