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Monthly climate in Sozopol, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sozopol features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (41 °F) and 25 °C (77 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 621 mm (24.5 inches) and receives 91 rainy days on the 1 mm (0.04 inches) threshold annually. Sozopol enjoys an average of 3734 hours of sunshine throughout the year, and daylight varies from 9 hours 6 minutes to 15 hours 13 minutes per day.

Monthly average temperatures in Sozopol, Bulgaria

The warmest months in Sozopol are July, August and September, with daily mean temperatures ranging from 22 to 25 °C (71 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 5 to 7 °C (41 - 45 °F) throughout the day. On average each year, Sozopol experiences 45 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sozopol. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)		15°C
(59°F)		16°C
(62°F)		19°C
(67°F)		25°C
(77°F)		29°C
(85°F)		30°C
(86°F)		29°C
(85°F)		28°C
(83°F)		25°C
(78°F)		21°C
(71°F)		17°C
(64°F)
Mean maximum12°C
(54°F)		13°C
(56°F)		15°C
(59°F)		17°C
(63°F)		23°C
(73°F)		26°C
(80°F)		28°C
(84°F)		28°C
(83°F)		27°C
(81°F)		22°C
(73°F)		19°C
(67°F)		15°C
(60°F)
Average high7°C
(45°F)		8°C
(47°F)		9°C
(48°F)		12°C
(54°F)		18°C
(64°F)		23°C
(73°F)		25°C
(78°F)		26°C
(79°F)		23°C
(74°F)		18°C
(65°F)		14°C
(57°F)		10°C
(50°F)
Daily mean5°C
(41°F)		6°C
(43°F)		7°C
(45°F)		10°C
(51°F)		16°C
(61°F)		21°C
(70°F)		24°C
(75°F)		25°C
(77°F)		22°C
(71°F)		17°C
(62°F)		12°C
(55°F)		8°C
(47°F)
Average low3°C
(38°F)		5°C
(40°F)		6°C
(42°F)		9°C
(48°F)		15°C
(59°F)		20°C
(68°F)		22°C
(73°F)		23°C
(74°F)		20°C
(68°F)		15°C
(60°F)		11°C
(52°F)		7°C
(45°F)
Mean minimum-3°C
(28°F)		-2°C
(29°F)		1°C
(34°F)		6°C
(42°F)		11°C
(52°F)		17°C
(62°F)		20°C
(67°F)		21°C
(70°F)		15°C
(60°F)		11°C
(52°F)		6°C
(42°F)		1°C
(34°F)
Minimum-8°C
(18°F)		-3°C
(27°F)		-6°C
(21°F)		4°C
(40°F)		10°C
(51°F)		13°C
(56°F)		19°C
(66°F)		19°C
(67°F)		13°C
(56°F)		9°C
(49°F)		1°C
(35°F)		-2°C
(30°F)

Compare climate in Sozopol with other places

Compare temperature, precipitation, sunshine, UV index in Sozopol, Bulgaria with other places around the world.

Monthly average precipitation in Sozopol, Bulgaria

Sozopol usually has the most precipitation in October, November and December, with an average of 10 rainy days and 80 mm (3.1 inches) of precipitation per month. The driest months in Sozopol are May, August and September. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sozopol. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)78 (3.1)53 (2.1)54 (2.1)42 (1.6)28 (1.1)56 (2.2)32 (1.3)14 (0.6)25 (1.0)79 (3.1)79 (3.1)80 (3.2)
Average precipitation days (≥ 1 mm)988671053491012

Monthly sunshine hours in Sozopol, Bulgaria

The sunniest months in Sozopol are June, July and August, when the sun shines an average of 13 hours 30 minutes a day. Least sunny months in Sozopol: January, November and December receive an average of 6 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sozopol. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours162227292347396408429404342285224213
Mean daily daylight hours9h 27m10h 33m11h 57m13h 23m14h 36m15h 13m14h 53m13h 49m12h 26m11h 1m9h 45m9h 6m

Solar UV radiation in Sozopol, Bulgaria

Sozopol experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 9 - 9, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Sozopol UV Index data.

Average daily maximum UV levels by month for Sozopol. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)246799997532