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Monthly climate in Bolyarovo, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bolyarovo features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (37 °F) and 25 °C (77 °F) through the year, but rarely can drop to -15 °C (5 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 686 mm (27.0 inches) and receives 92 rainy days on the 1 mm (0.04 inches) threshold annually. Bolyarovo enjoys an average of 3682 hours of sunshine throughout the year, and daylight varies from 9 hours 8 minutes to 15 hours 11 minutes per day.

Monthly average temperatures in Bolyarovo, Bulgaria

The warmest months in Bolyarovo are June, July and August, with daily mean temperatures ranging from 21 to 25 °C (70 - 77 °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, Bolyarovo experiences 93 days above 25 °C (77.0 °F) and 44 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bolyarovo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		19°C
(66°F)		22°C
(71°F)		27°C
(81°F)		31°C
(89°F)		35°C
(96°F)		38°C
(101°F)		38°C
(100°F)		34°C
(93°F)		32°C
(89°F)		24°C
(76°F)		19°C
(67°F)
Mean maximum14°C
(57°F)		18°C
(64°F)		20°C
(68°F)		24°C
(75°F)		29°C
(85°F)		31°C
(89°F)		35°C
(96°F)		35°C
(95°F)		32°C
(90°F)		26°C
(79°F)		22°C
(71°F)		17°C
(63°F)
Average high7°C
(44°F)		10°C
(50°F)		12°C
(54°F)		17°C
(63°F)		22°C
(72°F)		26°C
(79°F)		29°C
(85°F)		31°C
(87°F)		27°C
(80°F)		20°C
(68°F)		14°C
(57°F)		9°C
(49°F)
Daily mean3°C
(37°F)		5°C
(42°F)		7°C
(45°F)		11°C
(53°F)		17°C
(63°F)		21°C
(70°F)		24°C
(75°F)		25°C
(77°F)		21°C
(69°F)		14°C
(58°F)		10°C
(50°F)		6°C
(43°F)
Average low-1°C
(31°F)		1°C
(35°F)		3°C
(37°F)		6°C
(43°F)		12°C
(53°F)		16°C
(61°F)		18°C
(65°F)		19°C
(66°F)		15°C
(59°F)		10°C
(50°F)		7°C
(44°F)		3°C
(37°F)
Mean minimum-8°C
(18°F)		-6°C
(22°F)		-5°C
(23°F)		1°C
(34°F)		6°C
(43°F)		12°C
(54°F)		14°C
(58°F)		15°C
(59°F)		8°C
(47°F)		5°C
(41°F)		-1°C
(31°F)		-5°C
(23°F)
Minimum-12°C
(11°F)		-8°C
(17°F)		-15°C
(5°F)		-1°C
(31°F)		4°C
(40°F)		10°C
(49°F)		13°C
(56°F)		14°C
(57°F)		6°C
(43°F)		3°C
(37°F)		-5°C
(23°F)		-7°C
(21°F)

Compare climate in Bolyarovo with other places

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

Monthly average precipitation in Bolyarovo, Bulgaria

Bolyarovo usually has the most precipitation in June, October and December, with an average of 10 rainy days and 84 mm (3.3 inches) of precipitation per month. The driest months in Bolyarovo are July, August and September. On average, 26 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bolyarovo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)74 (2.9)56 (2.2)66 (2.6)55 (2.2)47 (1.8)81 (3.2)38 (1.5)18 (0.7)23 (0.9)80 (3.2)58 (2.3)90 (3.5)
Average precipitation days (≥ 1 mm)88988135347811

Monthly sunshine hours in Bolyarovo, Bulgaria

The sunniest months in Bolyarovo are June, July and August, when the sun shines an average of 13 hours 22 minutes a day. Least sunny months in Bolyarovo: January, November and December receive an average of 6 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bolyarovo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours164228284344391400427403340275217204
Mean daily daylight hours9h 28m10h 34m11h 57m13h 22m14h 34m15h 11m14h 52m13h 48m12h 26m11h 1m9h 47m9h 8m

Solar UV radiation in Bolyarovo, Bulgaria

Bolyarovo 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 Bolyarovo UV Index data.

Average daily maximum UV levels by month for Bolyarovo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)246899997632