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Monthly climate in Yambol, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Yambol features a humid subtropical climate (Cfa). Temperatures typically range between 2 °C (37 °F) and 25 °C (77 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 596 mm (23.4 inches) and receives 93 rainy days on the 1 mm (0.04 inches) threshold annually. Yambol enjoys an average of 3690 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 Yambol, Bulgaria

The warmest months in Yambol are June, July and August, with daily mean temperatures ranging from 21 to 25 °C (71 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (37 - 42 °F) throughout the day. On average each year, Yambol experiences 97 days above 25 °C (77.0 °F) and 46 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Yambol. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(60°F)		19°C
(66°F)		22°C
(72°F)		27°C
(81°F)		32°C
(90°F)		36°C
(97°F)		39°C
(102°F)		39°C
(102°F)		34°C
(93°F)		32°C
(89°F)		26°C
(79°F)		18°C
(65°F)
Mean maximum13°C
(56°F)		17°C
(63°F)		20°C
(69°F)		24°C
(75°F)		29°C
(85°F)		32°C
(90°F)		36°C
(97°F)		36°C
(97°F)		33°C
(91°F)		26°C
(80°F)		22°C
(71°F)		16°C
(62°F)
Average high6°C
(44°F)		10°C
(50°F)		12°C
(54°F)		17°C
(63°F)		23°C
(73°F)		27°C
(80°F)		30°C
(86°F)		31°C
(89°F)		27°C
(81°F)		20°C
(68°F)		13°C
(56°F)		9°C
(48°F)
Daily mean2°C
(37°F)		5°C
(41°F)		7°C
(45°F)		12°C
(53°F)		17°C
(63°F)		21°C
(71°F)		24°C
(76°F)		25°C
(77°F)		21°C
(69°F)		14°C
(58°F)		9°C
(49°F)		5°C
(42°F)
Average low-1°C
(31°F)		1°C
(34°F)		2°C
(37°F)		6°C
(43°F)		11°C
(53°F)		16°C
(61°F)		18°C
(65°F)		19°C
(66°F)		15°C
(59°F)		10°C
(50°F)		6°C
(43°F)		2°C
(36°F)
Mean minimum-8°C
(19°F)		-6°C
(22°F)		-5°C
(23°F)		1°C
(33°F)		6°C
(43°F)		12°C
(54°F)		15°C
(58°F)		15°C
(59°F)		7°C
(45°F)		4°C
(40°F)		-0°C
(32°F)		-5°C
(23°F)
Minimum-10°C
(13°F)		-7°C
(19°F)		-18°C
(0°F)		-1°C
(30°F)		4°C
(40°F)		9°C
(48°F)		13°C
(56°F)		13°C
(56°F)		4°C
(40°F)		2°C
(36°F)		-3°C
(27°F)		-6°C
(21°F)

Compare climate in Yambol with other places

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

Monthly average precipitation in Yambol, Bulgaria

Yambol usually has the most precipitation in June, October and December, with an average of 10 rainy days and 74 mm (2.9 inches) of precipitation per month. The driest months in Yambol are July, August and September. On average, 25 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yambol. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)57 (2.2)47 (1.8)59 (2.3)44 (1.7)43 (1.7)78 (3.1)39 (1.5)17 (0.7)18 (0.7)63 (2.5)52 (2.0)80 (3.1)
Average precipitation days (≥ 1 mm)881079147336711

Monthly sunshine hours in Yambol, Bulgaria

The sunniest months in Yambol are June, July and August, when the sun shines an average of 13 hours 22 minutes a day. Least sunny months in Yambol: January, November and December receive an average of 6 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yambol. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours167229283344391399427403340278219205
Mean daily daylight hours9h 26m10h 33m11h 57m13h 23m14h 36m15h 13m14h 54m13h 49m12h 26m11h 0m9h 45m9h 6m

Solar UV radiation in Yambol, Bulgaria

Yambol 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 Yambol UV Index data.

Average daily maximum UV levels by month for Yambol. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)246799997632