Monthly climate in Balchik, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Balchik features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (37 °F) and 24 °C (75 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 595 mm (23.4 inches) and receives 97 rainy days on the 1 mm (0.04 inches) threshold annually. Balchik enjoys an average of 3759 hours of sunshine throughout the year, and daylight varies from 9 hours 0 minutes to 15 hours 20 minutes per day.

Monthly average temperatures in Balchik, Bulgaria

The warmest months in Balchik are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (70 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 6 °C (37 - 43 °F) throughout the day. On average each year, Balchik experiences 62 days above 25 °C (77.0 °F) and 27 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Balchik. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)
16°C
(61°F)
19°C
(67°F)
23°C
(74°F)
27°C
(80°F)
30°C
(85°F)
32°C
(90°F)
33°C
(91°F)
29°C
(85°F)
25°C
(77°F)
22°C
(72°F)
17°C
(63°F)
Mean maximum12°C
(54°F)
15°C
(58°F)
17°C
(62°F)
19°C
(66°F)
24°C
(76°F)
28°C
(82°F)
30°C
(86°F)
30°C
(87°F)
28°C
(83°F)
23°C
(74°F)
19°C
(66°F)
14°C
(58°F)
Average high5°C
(42°F)
7°C
(46°F)
9°C
(49°F)
13°C
(56°F)
19°C
(67°F)
24°C
(75°F)
26°C
(80°F)
27°C
(82°F)
24°C
(75°F)
18°C
(65°F)
12°C
(55°F)
8°C
(47°F)
Daily mean3°C
(37°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
(75°F)
20°C
(68°F)
15°C
(59°F)
10°C
(50°F)
6°C
(43°F)
Average low1°C
(33°F)
2°C
(36°F)
4°C
(39°F)
7°C
(45°F)
13°C
(56°F)
18°C
(65°F)
20°C
(68°F)
21°C
(69°F)
17°C
(63°F)
12°C
(54°F)
8°C
(47°F)
4°C
(39°F)
Mean minimum-7°C
(20°F)
-5°C
(23°F)
-2°C
(29°F)
3°C
(37°F)
9°C
(49°F)
14°C
(58°F)
16°C
(62°F)
17°C
(63°F)
11°C
(52°F)
7°C
(45°F)
2°C
(35°F)
-3°C
(27°F)
Minimum-12°C
(11°F)
-8°C
(18°F)
-9°C
(16°F)
1°C
(35°F)
8°C
(46°F)
11°C
(52°F)
15°C
(60°F)
15°C
(60°F)
9°C
(48°F)
5°C
(42°F)
-2°C
(28°F)
-7°C
(20°F)

Compare climate in Balchik with other places

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

Monthly average precipitation in Balchik, Bulgaria

Balchik usually has the most precipitation in June, July and December, with an average of 12 rainy days and 76 mm (3.0 inches) of precipitation per month. The driest months in Balchik are April, August and September. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Balchik. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)57 (2.2)39 (1.5)51 (2.0)32 (1.2)46 (1.8)97 (3.8)63 (2.5)15 (0.6)22 (0.9)56 (2.2)51 (2.0)67 (2.6)
Average precipitation days (≥ 1 mm)8796101510346811

Monthly sunshine hours in Balchik, Bulgaria

The sunniest months in Balchik are June, July and August, when the sun shines an average of 13 hours 33 minutes a day. Least sunny months in Balchik: January, November and December receive an average of 6 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Balchik. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours164229295355402410430405342292223205
Mean daily daylight hours9h 21m10h 30m11h 57m13h 26m14h 42m15h 20m15h 0m13h 53m12h 27m10h 58m9h 40m9h 0m

Solar UV radiation in Balchik, Bulgaria

Balchik 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 Balchik UV Index data.

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