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Monthly climate in Varna, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Varna features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (38 °F) and 24 °C (76 °F) through the year, but rarely can drop to -11 °C (13 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 576 mm (22.7 inches) and receives 94 rainy days on the 1 mm (0.04 inches) threshold annually. Varna enjoys an average of 3720 hours of sunshine throughout the year, and daylight varies from 9 hours 0 minutes to 15 hours 19 minutes per day.

Monthly average temperatures in Varna, Bulgaria

The warmest months in Varna are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (70 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 3 to 6 °C (38 - 44 °F) throughout the day. On average each year, Varna experiences 55 days above 25 °C (77.0 °F) and 20 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Varna. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		15°C
(60°F)		18°C
(64°F)		22°C
(72°F)		25°C
(77°F)		29°C
(84°F)		31°C
(88°F)		31°C
(88°F)		28°C
(83°F)		26°C
(78°F)		21°C
(71°F)		17°C
(63°F)
Mean maximum11°C
(52°F)		14°C
(57°F)		15°C
(60°F)		18°C
(65°F)		24°C
(75°F)		27°C
(81°F)		29°C
(84°F)		30°C
(86°F)		27°C
(82°F)		23°C
(73°F)		19°C
(66°F)		15°C
(58°F)
Average high6°C
(42°F)		7°C
(45°F)		9°C
(48°F)		13°C
(55°F)		18°C
(66°F)		23°C
(74°F)		26°C
(79°F)		27°C
(81°F)		23°C
(74°F)		18°C
(64°F)		13°C
(55°F)		9°C
(48°F)
Daily mean3°C
(38°F)		5°C
(41°F)		6°C
(44°F)		10°C
(50°F)		16°C
(61°F)		21°C
(70°F)		23°C
(74°F)		24°C
(76°F)		20°C
(69°F)		15°C
(60°F)		11°C
(52°F)		7°C
(44°F)
Average low1°C
(35°F)		3°C
(37°F)		4°C
(40°F)		7°C
(46°F)		13°C
(56°F)		18°C
(65°F)		21°C
(69°F)		21°C
(71°F)		18°C
(64°F)		13°C
(56°F)		9°C
(48°F)		5°C
(41°F)
Mean minimum-5°C
(23°F)		-4°C
(25°F)		-1°C
(30°F)		3°C
(38°F)		10°C
(50°F)		15°C
(59°F)		17°C
(63°F)		19°C
(66°F)		12°C
(54°F)		8°C
(47°F)		3°C
(37°F)		-1°C
(30°F)
Minimum-11°C
(13°F)		-5°C
(22°F)		-9°C
(16°F)		2°C
(36°F)		8°C
(47°F)		11°C
(52°F)		16°C
(61°F)		17°C
(62°F)		10°C
(50°F)		7°C
(44°F)		-1°C
(30°F)		-5°C
(23°F)

Compare climate in Varna with other places

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

Monthly average precipitation in Varna, Bulgaria

Varna usually has the most precipitation in June, October and December, with an average of 10 rainy days and 73 mm (2.9 inches) of precipitation per month. The driest months in Varna are April, August and September. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Varna. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)58 (2.3)40 (1.6)53 (2.1)33 (1.3)36 (1.4)85 (3.4)51 (2.0)14 (0.6)18 (0.7)60 (2.3)55 (2.1)73 (2.9)
Average precipitation days (≥ 1 mm)87969159336811

Monthly sunshine hours in Varna, Bulgaria

The sunniest months in Varna are June, July and August, when the sun shines an average of 13 hours 26 minutes a day. Least sunny months in Varna: January, November and December receive an average of 6 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Varna. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours166225288349397402429404340285223206
Mean daily daylight hours9h 21m10h 30m11h 57m13h 25m14h 41m15h 19m14h 59m13h 52m12h 27m10h 58m9h 40m9h 0m

Solar UV radiation in Varna, Bulgaria

Varna experiences the highest level of ultraviolet (UV) radiation in June, 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 Varna UV Index data.

Average daily maximum UV levels by month for Varna. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)246789997532