Climate and monthly weather forecast
Sozopol, Bulgaria

Positioned in Bulgaria, the coastal town of Sozopol falls under the Köppen climate classification of Cfa, pointing to a humid subtropical climate with no dry season. Throughout the year, the town witnesses a mix of both moderate and warm temperatures, rainfall, and sunshine.

Unraveling Sozopol's weather patterns, the temperature highs reach their zenith at 28°C (82.4°F) in July, and drop to a chilly 6°C (42.8°F) in January. Noteworthy is the variability in the low temperatures where January experiences a cold -1°C (30.2°F), giving way to a relatively warm 17°C (62.6°F) from July to August. The rainfall pattern in Sozopol takes a similar path, with the highest rainfall recorded at 69mm (2.72") in November, and the lowest at 30mm (1.18") in August. Examining sunny days, July comes forward as the brightest month with 11 hours of sunshine, while December has a lean period of only 2 hours.

The pull of the tides also shapes Sozopol's climate. A gradual ascent in sea temperatures is noticeable from February's 7.6°C (45.7°F) to a high of 25°C (77°F) in August. Soon after, a steady decline is seen, going down to 10.3°C (50.5°F) by December. Unique to the city is the consistent daylight hours it enjoys. The longest daylight is in June with 15.2 hours, contracting to the shortest span of 9.1 hours in December. Correspondingly, UV index relates directly to the hours of sunshine, peaking in July and August at 8, and taking its deepest plunge in December and January to 1.

Considering the various climatic conditions, summertime, notably from June to August, emerges as the ideal season to visit Sozopol. This period sees toasty high temperatures between 24°C (75.2°F) to 28°C (82.4°F), clear skies averaging 8 to 11 hours of sunshine, and low rainfall of 30mm (1.18") to 49mm (1.93"). This time of the year also showcases sea temperatures spurting from 21.7°C (71.1°F) to 25°C (77°F), creating favorable conditions for various watersports or leisurely beach time.

On the contrary, winter months, particularly from December to February, are perceived as suboptimal for visiting Sozopol. During this period, the town experiences lower temperatures, ranging from 6°C (42.8°F) to 8°C (46.4°F), alongside less sunshine hours. Rainfall is consistently high with December seeing around 63mm (2.48") and February 46mm (1.81"), contributing to overall damp and cold conditions.

Spring in Sozopol, from March to May, represents a gradual increase in temperatures from 10°C (50°F) to 21°C (69.8°F). Rainfall during this period hovers around 42mm (1.65") to 48mm (1.89"). Daylight hours stretch from 12 hours in March to 14.6 hours by May, accompanied by an increase in sunshine hours from 4 to 8. The sea temperatures during spring see a moderate rise from 8.2°C (46.8°F) to 15.6°C (60.1°F).

June, July, and August represent summer in Sozopol. High temperatures surge from 24°C (75.2°F) in June to an apex of 28°C (82.4°F) in July, before slightly falling to 27°C (80.6°F) in August. These months also witness reduced rainfall, from 49mm (1.93") in June to 30mm (1.18") in August, and bask in increased hours of sunshine, from 9 to 11. Sea temperatures also spike during the summer months, soaring from 21.7°C (71.1°F) in June to a high of 25°C (77°F) in August.

Autumn, extending from September to November, beckons a lower temperature band from 24°C (75.2°F) to 13°C (55.4°F). Rainfall increases progressively from 35mm (1.38") in September to 69mm (2.72") in November. Sunshine hours dwindle from 8 in September to 4 in November, and daylight hours constrict from 12.5 hours to 9.8 hours. The sea temperatures in Autumn gently roll back from 22.8°C (73°F) in September to 13.4°C (56.1°F) in November.

Winter in Sozopol, which spans from December to February, entails diminished temperatures from 8°C (46.4°F) to 6°C (42.8°F). There is heavier rainfall during these months, starting at 63mm (2.48") and tapering to 46mm (1.81"). The sunshine hours dwindle to their annual low from 4 hours in December to 3 in January. During winter, the sea temperatures fall significantly from 10.3°C (50.5°F) in December to January and February's 7.6°C (45.7°F) to 8.2°C (46.8°F), respectively.

The month of January in Sozopol, Bulgaria, is dominated by chilly temperatures, with fairly regular rain episodes. The chill is a noticeable step back from temperatures experienced in the end of the previous year. The average high for the month is 6°C (42.8°F), and the lows plunge to -1°C (30.2°F). Weather in January »

In February, the atmospheric patterns in Sozopol remain fairly constant with January. However, the average high and low temperatures inch up by a degree, indicating a subtle warmth creeping in. The sea remains cold, discouraging any open water activities. Weather in February »

March witnesses a significant jump of 3°C (37.4°F) in temperatures, signalling the arrival of spring in Sozopol. The highs reach 10°C (50°F) while the lows are not as biting as the last couple of months. As days grow longer, the sunlight becomes more robust further aiding in warmth. Weather in March »

April is a month of growth and warmth in Sozopol. The temperature is on a constant rise, setting a conducive atmosphere for outdoor activities. The sea begins to warm up too, but it's not quite ready for swimming yet. The higher temperatures, compared to March, and average rainfall provide the perfect environment for Sozopol's flora to thrive. Weather in April »

Sozopol in May is the epitome of spring moving towards summer. The warmth is now more prominent, and the city basks in increased hours of sunshine. Beach days begin to make an appearance in the locals' calendars, as the sea temperature gets tempting. Weather in May »

June brings the summer spirit to Sozopol, Bulgaria. Sea swimming and watersports re-emerge as favourite pastimes, thanks to a sea temperature of 21.7°C (71.1°F). The increase in daylight hours extends outdoor activities well into evenings. Weather in June »

July in Sozopol presents the highest temperatures for the year. The mercury consistently hits an average high of 28°C (82.4°F), making outdoor activities like historical walks and park visits only suitable in early morning or late evening. Weather in July »

August carries on July's warmth, with temperatures peaking at an average high of 27°C (80.6°F). It cools down towards the end of the month, indicating the year's progression towards autumn. The sea remains inviting, with the warmest temperatures encouraging frequent dips or boating adventures. Weather in August »

September signals the onset of autumn in Sozopol, with temperatures showing a gradual decline compared to August. Pleasant day temperatures make it a favorable time for outdoor recreational activities and sightseeing. The sunlight remains generous, but shortened daylight hours hint at the impending winter. Weather in September »

October embraces autumn fully, much to the delight of Sozopol's residents who relish the mild weather. Sweater and light jacket make a re-entry into locals' daily attire. The sea starts cooling down, and beach activities become less frequent. Weather in October »

November brings a considerable drop in temperature, ushering in winter in Sozopol, Bulgaria. Average high temperature slides down to 13°C (55.4°F), making warm clothes a necessary part of every outdoor plan. Reduced daylight hours and a decrease in sunshine intensity impacts the overall mood in the city. Weather in November »

December is the month when Sozopol fully descends into winter. It is the coldest month of the year, with high temperature typically hovering around 8°C (46.4°F). The sea retains a chill, making it unsuitable for swimming. Heavy rainfall is a regular occurrence, adding to the city's winter charm. Weather in December »