January Weather in Primorsko, Bulgaria

Last updated: August 21, 2025

In Primorsko, Bulgaria, January presents a chilly coastal retreat, with temperatures ranging from a maximum of 16°C (61°F) to a minimum of -7°C (19°F), averaging around 5°C (42°F). This winter month sees a notable precipitation total of 98 mm (3.9 in) spread over approximately 11 days, contributing to the region's lush winter landscape. With humidity levels at 84%, January in Primorsko offers a unique blend of crisp air and occasional rain, making it essential for visitors to dress warmly and be prepared for wet weather while exploring this scenic seaside town.

January Temperature in Primorsko

In Primorsko, Bulgaria, January reveals a fascinating range of temperatures that highlight the transition from winter to early spring. With a minimum of -7°C (19°F), the month can usher in some frosty days, but the average temperature stands at a mild 5°C (42°F), hinting at the gradual warming to come. The maximum highs reach up to 16°C (61°F), occasionally allowing for pleasantly brisk days that beckon outdoor adventures. As January unfolds, the shift in temperatures from the depths of winter to the whispers of spring becomes evident, setting the stage for increasingly temperate months ahead.

January Weather in Primorsko: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Primorsko, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Primorsko, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414345516170747670625447
Data source: Temperature data for Primorsko 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 Primorsko

In January, Primorsko experiences a notable spike in precipitation, with 98 mm (3.9 in) of rain over the month, falling on 11 days. This sets the tone for a relatively wet winter, as January's rainfall is higher than that of subsequent months, including February's 68 mm (2.7 in) and March's 61 mm (2.4 in). As the year progresses into spring, precipitation gradually decreases, with April and May seeing significantly less rain, measuring 57 mm (2.2 in) and 37 mm (1.5 in) respectively. Interestingly, while October and November bring a return to wetter weather with 106 mm (4.2 in) and 110 mm (4.3 in), January remains one of the wettest months of the year, showcasing a seasonal pattern of heavier rains in winter and early autumn. Overall, the data indicates a clear transition from the rainy conditions of winter into the drier, sunnier days of summer.

January Precipitation Trends in Primorsko

The chart displays monthly precipitation patterns in Primorsko, 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 Primorsko, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec98686157375936204010711094
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Primorsko

In January, Primorsko, Bulgaria, experiences a high humidity level of 84%, setting a trend that mirrors the month of December. As winter transitions to spring, humidity gradually declines, reaching 81% in February and 79% by March. This downward trend continues into April with 75%, before slightly rising again in May at 77%. The warmer months see a significant drop, peaking in August with a much drier 60%, indicating a prime time for sunny beach days. As autumn approaches, humidity gradually climbs back up, with October recording 76% and November rising to 81%, echoing January’s earlier figures. This cyclical pattern highlights the seasonal variations in Primorsko's weather, emphasizing the higher moisture levels typical of winter and autumn months contrasted by summer's refreshing dryness.

January Average Humidity in Primorsko

This chart illustrates the average monthly humidity levels in Primorsko, 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 Primorsko is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%79%75%77%71%69%60%63%76%81%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Primorsko

In January, Primorsko, Bulgaria experiences a relatively low UV Index of 2, indicating minimal sun exposure risk. With a safe burn time of 45 minutes, this month offers perfect conditions for leisurely outdoor activities without immediate concern for skin damage. As the season transitions into February, the UV Index doubles to 4, and the burn time decreases to 30 minutes, reflecting a moderate increase in sun intensity. A noticeable shift occurs in March and April, where the UV Index rises significantly to levels 6 and 7 respectively, both categorized as high, emphasizing the need for protective measures with burn times of just 25 minutes. This trend continues into the warmer months, where from May to August, the UV Index peaks at 9—a very high level—requiring vigilant sun protection with a reduced burn time of only 15 minutes during these months. As summer fades into September and October, the index tapers down to 7 and 5, respectively, signaling a return to moderate sun exposure, before settling at 2 once more by December. This clear progression highlights the importance of monitoring UV levels year-round, especially as the spring and summer months approach. For detailed information on UV levels throughout the year, check out Primorsko UV Index.

Maximum UV Index Levels in Primorsko for January

The chart shows the monthly maximum UV Index (UVI) for Primorsko 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 Primorsko typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246799997532
Data source: Primorsko 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 Primorsko

In January, Primorsko greets the new year with 162 hours of sunshine, setting the stage for the gradual shift towards brighter days. As February arrives, sunshine increases notably to 228 hours, hinting at the approaching warmth of spring. By March, the days grow longer and sunnier still, reaching 293 hours, while April brings an impressive 348 hours of radiant light, showcasing the awakening of nature. The trend continues into May and June, with sunshine peaking at 397 hours and 409 hours, respectively, inviting both locals and tourists to bask in the coastal beauty. As summer peaks in July with 429 hours, Primorsko shines at its brightest, before transitioning to a slightly cooler August with 404 hours. As the year progresses, September, October, and November present a gradual decline in sunshine hours, with 342, 285, and 224 hours, respectively, signaling the onset of winter. Yet, December retains a cozy charm with 213 hours, inviting reflection on the year’s sunshine journey. Overall, the trend in Primorsko reveals a dynamic interplay of light and warmth, perfect for those seeking both energy and tranquility by the sea.

Monthly Sunshine Duration in Primorsko: January Highlighted

The January sunshine duration represents the total number of hours Primorsko 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.
JanFebMarAprMayJunJulAugSepOctNovDec162h228h293h348h397h409h429h404h342h285h224h213h
Data source: Primorsko January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Primorsko During January

In Primorsko, Bulgaria, January sees a modest chance of sunny weather, with only 27% likelihood, marking it as one of the cloudier months of the year. This trend continues into February, where the chance of sunshine increases to 43%, hinting at the gradual shift towards more favorable conditions as winter relinquishes its grip. By March, the sun shines more frequently, with the probability rising to 45%. As spring approaches, the sunny percentages steadily climb, reaching a peak of 51% in June and soaring to an impressive 80% by July. This consistent upward trajectory not only highlights the transitional nature of early winter months but also sets a promising stage for the vibrant summer season ahead.

Percentage of Sunny Days in January in Primorsko

The chart illustrates the percentage of sunny days in Primorsko 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 Primorsko experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%43%45%44%49%51%80%77%49%25%28%30%
Data source: Primorsko January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Primorsko in January

In Primorsko, Bulgaria, January marks the beginning of the year with approximately 9 hours of daylight, setting a tone of gradual change as the months progress. As winter gives way to spring, daylight steadily increases, reaching 10 hours in February and 11 hours in March. This upward trend continues into April and May, where daylight extends to 13 and 14 hours respectively, inviting more outdoor activity and a vibrant atmosphere. The peak is reached in June with 15 hours of daylight, making it the sunniest month of the year. However, as summer transitions to autumn, daylight begins to taper off, with hours dropping to 14 in July, 13 in August, and further down to 12 hours by September. The cycle closes in November and December, returning to 9 hours, mirroring the winter's onset. This rhythmic fluctuation of daylight not only marks the changing seasons but also reflects the essence of life in Primorsko, where each hour of sunlight invites opportunities for exploration and enjoyment.

Average Daylight Hours in Primorsko for January

The chart illustrates the variation in daylight duration in Primorsko throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 28m10h 33m11h 57m13h 22m14h 35m15h 12m14h 52m13h 48m12h 26m11h 1m9h 46m9h 7m
Data source: Primorsko daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Primorsko

In Primorsko, Bulgaria, the January winds blow in with an average speed of 5.6 m/s (13 mph), creating a brisk atmosphere as the new year begins. This invigorating start contrasts sharply with the calmer breezes of late spring and summer, where winds drop to an average of around 3.5 m/s (8 mph) from April to August. After the summer lull, a slight uptick in wind speeds is observed in September and October, peaking again at 5.9 m/s (13 mph) in October, reminiscent of January's gales. The winter months exhibit a dynamic wind pattern, with December averaging a notable 6.0 m/s (13 mph), suggesting a cyclical return to the strong breezes that characterize the start of the year. Throughout the months, it's clear that Primorsko’s wind patterns exhibit a gentle ebb and flow, offering a unique charm to each season while keeping the energy alive.

Average January Wind Speed in Primorsko

The chart displays monthly wind speed patterns in Primorsko, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.6 m/s4.94.93.53.73.13.83.74.85.94.56.0
Data source: Primorsko January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Primorsko Compares to Other Months

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

January and February present a notable transition in weather patterns. In January, temperatures can drop as low as -7°C (19°F), with an average of 5°C (42°F), while February offers slightly milder conditions with a minimum of -4°C (26°F) and an average of 6°C (44°F). Both months share a maximum temperature of 16°C (61°F), but January experiences more precipitation at 98 mm (3.9 in) over 11 days compared to February’s 68 mm (2.7 in) across 9 days. Additionally, January's humidity is higher at 84%, while February sees a slight decrease to 81%. For more detailed insights, you can explore Primorsko weather in February.

In January, temperatures vary significantly, with a minimum of -7°C (19°F) and an average of 5°C (42°F), peaking at 16°C (61°F). The month is characterized by relatively high precipitation, totaling 98 mm (3.9 in) over 11 rainy days, and the humidity is quite high at 84%.

In comparison, March experiences slightly milder temperatures, with a minimum of -6°C (21°F) and an average of 7°C (46°F), reaching a maximum of 19°C (66°F). Precipitation decreases to 61 mm (2.4 in) across 10 days, and humidity levels drop to 79%. Overall, March offers a more moderate climate compared to January, making it a more pleasant time for outdoor activities. For more details, check out Primorsko weather in March.

January weather tends to be much colder than April, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 16°C (61°F) and an average of 5°C (42°F). In contrast, April brings a milder climate, featuring temperatures that start at a minimum of 4°C (40°F) and can reach up to 22°C (72°F), with an average temperature of 10°C (51°F). Additionally, January experiences significantly higher precipitation at 98 mm (3.9 in) over 11 days, compared to April's 57 mm (2.2 in) over 8 days. Humidity levels are also higher in January at 84%, while April sees a decrease to 75%. For more detailed information, you can visit Primorsko weather in April.

When comparing the weather in January and May, one can observe significant differences in temperature and precipitation. In January, temperatures can drop as low as -7°C (19°F), with an average of 5°C (42°F) and highs reaching 16°C (61°F). This month is characterized by higher humidity at 84% and considerable precipitation, totaling 98 mm (3.9 inches) over approximately 11 days. In contrast, May brings milder temperatures, with a minimum of 10°C (50°F), an average of 16°C (61°F), and maximums peaking at 25°C (78°F). The weather in May is generally drier, featuring only 37 mm (1.5 inches) of rainfall over 8 days and a slightly lower humidity of 77%. For more detailed information, you can explore Primorsko weather in May.

January and June present strikingly different weather patterns. In January, temperatures can drop as low as -7°C (19°F), with an average of 5°C (42°F) and a maximum of 16°C (61°F), creating a chilly environment. This month also experiences substantial precipitation, totaling 98 mm (3.9 in) over 11 days, coupled with high humidity at 84%. In contrast, June boasts a much milder climate, starting at a minimum of 13°C (55°F), averaging 21°C (70°F), and reaching highs of 29°C (84°F). Precipitation decreases significantly to 59 mm (2.3 in) over just 9 days, and humidity levels drop to a more comfortable 71%. For those interested in a detailed overview of June weather, you can check Primorsko weather in June.

In January, the weather is notably cold, with temperatures ranging from a chilly minimum of -7°C (19°F) to a mild maximum of 16°C (61°F), and an average temperature of 5°C (42°F). This month is characterized by higher precipitation, averaging 98 mm (3.9 in) over about 11 days, combined with 84% humidity. In contrast, July warms up significantly, featuring temperatures that range from a comfortable minimum of 18°C (65°F) to a peak of 30°C (87°F), with an average of 24°C (75°F). Precipitation drops considerably to 36 mm (1.4 in) across just 6 days, and humidity decreases to 69%. For a detailed look at the warm summer conditions, you can visit Primorsko weather in July.

The weather in January is characterized by cold temperatures, with a minimum of -7°C (19°F) and an average of 5°C (42°F), peaking at 16°C (61°F). This month sees significant precipitation, totaling 98 mm (3.9 in) over approximately 11 days, coupled with high humidity levels around 84%. In contrast, August offers a much warmer climate, featuring minimum temperatures of 18°C (65°F) and averaging 24°C (76°F), with maximums reaching 31°C (88°F). Precipitation is minimal during this month, averaging only 20 mm (0.8 in) over about 3 days, along with a decrease in humidity to around 60%. For more details, you can check Primorsko weather in August.

In January, temperatures range from a brisk -7°C (19°F) to a mild 16°C (61°F), with an average of about 5°C (42°F). The month sees significant precipitation of 98 mm (3.9 in) over 11 days, accompanied by high humidity at 84%. In contrast, September offers a much warmer climate, with temperatures varying from a comfortable 13°C (56°F) to a warm 29°C (85°F), averaging 21°C (71°F). Precipitation decreases significantly to 40 mm (1.6 in) over just 7 days, and the humidity lowers to a more pleasant 63%. For more details on September weather, check out Primorsko weather in September.

In January, temperatures can drop as low as -7°C (19°F) and typically hover around an average of 5°C (42°F), with highs reaching only 16°C (61°F). The month sees significant precipitation, totaling 98 mm (3.9 in) across about 11 days, coupled with high humidity levels of 84%. In contrast, October presents a much milder climate, featuring minimum temperatures of 9°C (48°F) and an average high of 28°C (83°F), accompanied by an average precipitation of 106 mm (4.2 in) over 10 days and lower humidity at 76%. For a closer look at the weather specifics during this vibrant month, check out Primorsko weather in October.

In January, temperatures range from a chilly -7°C (19°F) at night to a maximum of 16°C (61°F) during the day, with an average of 5°C (42°F). The month experiences high humidity at 84% and receives 98 mm (3.9 in) of precipitation over approximately 11 days. In contrast, November offers milder temperatures, with minimums around 2°C (36°F) and highs reaching up to 22°C (72°F), averaging 12°C (55°F). Although November is slightly wetter with 110 mm (4.3 in) of precipitation spread over 13 days, it has a lower humidity level of 81%. For more details on November weather, check out Primorsko weather in November.

In January, temperatures range from a chilly minimum of -7°C (19°F) to a maximum of 16°C (61°F), averaging around 5°C (42°F). This month experiences about 98 mm (3.9 in) of precipitation over 11 days, with a consistent humidity level of 84%. In contrast, December offers slightly milder weather, with temperatures dipping to a minimum of -2°C (28°F) and reaching highs of 18°C (65°F), averaging 8°C (48°F). December also sees similar precipitation, totaling 94 mm (3.7 in) over 12 days, maintaining the same humidity levels. For a more detailed look at December weather, you can check out Primorsko weather in December.

Compare Primorsko's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Primorsko

As January rolls into Primorsko, the weather takes a notable turn from milder months, characterized by lower temperatures and increased precipitation. With an average temperature of 5°C, this month feels distinctly chillier compared to the rest of the year, often dipping below freezing at night. The combination of 98 mm of rainfall spread over approximately 11 days adds to the wintery ambiance, making January one of the wetter months. The high humidity level, consistently around 84%, further accentuates the cold, creating a crisp atmosphere that contrasts sharply with the warmer, sunnier days of spring and summer. For a detailed look at the weather patterns throughout the year, check out Primorsko Climate.