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Monthly climate in Samuil, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Samuil features a humid subtropical climate (Cfa). Temperatures typically range between 1 °C (33 °F) and 24 °C (75 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 680 mm (26.8 inches) and receives 106 rainy days on the 1 mm (0.04 inches) threshold annually. Samuil enjoys an average of 3646 hours of sunshine throughout the year, and daylight varies from 8 hours 59 minutes to 15 hours 21 minutes per day.

Monthly average temperatures in Samuil, Bulgaria

The warmest months in Samuil are June, July and August, with daily mean temperatures ranging from 20 to 24 °C (69 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (33 - 39 °F) throughout the day. On average each year, Samuil experiences 83 days above 25 °C (77.0 °F) and 61 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Samuil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(62°F)		18°C
(65°F)		23°C
(74°F)		27°C
(80°F)		29°C
(84°F)		34°C
(94°F)		37°C
(100°F)		38°C
(100°F)		34°C
(93°F)		31°C
(88°F)		26°C
(78°F)		17°C
(63°F)
Mean maximum13°C
(55°F)		17°C
(63°F)		20°C
(69°F)		24°C
(75°F)		27°C
(81°F)		31°C
(88°F)		35°C
(95°F)		35°C
(94°F)		31°C
(88°F)		26°C
(79°F)		22°C
(71°F)		15°C
(59°F)
Average high4°C
(40°F)		8°C
(46°F)		11°C
(51°F)		16°C
(61°F)		21°C
(71°F)		25°C
(78°F)		28°C
(83°F)		30°C
(86°F)		25°C
(78°F)		19°C
(66°F)		12°C
(53°F)		7°C
(44°F)
Daily mean1°C
(33°F)		3°C
(38°F)		6°C
(43°F)		11°C
(52°F)		16°C
(62°F)		20°C
(69°F)		23°C
(73°F)		24°C
(75°F)		19°C
(67°F)		13°C
(56°F)		8°C
(47°F)		3°C
(39°F)
Average low-2°C
(28°F)		-0°C
(32°F)		2°C
(35°F)		6°C
(42°F)		11°C
(52°F)		16°C
(60°F)		17°C
(63°F)		17°C
(64°F)		14°C
(57°F)		9°C
(48°F)		5°C
(41°F)		1°C
(34°F)
Mean minimum-11°C
(13°F)		-9°C
(16°F)		-5°C
(23°F)		-0°C
(32°F)		6°C
(42°F)		11°C
(52°F)		14°C
(58°F)		13°C
(56°F)		6°C
(44°F)		3°C
(38°F)		-2°C
(28°F)		-6°C
(21°F)
Minimum-17°C
(2°F)		-12°C
(11°F)		-12°C
(11°F)		-1°C
(30°F)		4°C
(39°F)		7°C
(45°F)		13°C
(55°F)		11°C
(52°F)		1°C
(35°F)		0°C
(33°F)		-6°C
(22°F)		-11°C
(13°F)

Compare climate in Samuil with other places

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

Monthly average precipitation in Samuil, Bulgaria

Samuil usually has the most precipitation in June, July and December, with an average of 13 rainy days and 90 mm (3.5 inches) of precipitation per month. The driest months in Samuil are April, August and September. On average, 29 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Samuil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)44 (1.7)46 (1.8)66 (2.6)37 (1.5)63 (2.5)130 (5.1)73 (2.9)26 (1.0)22 (0.9)56 (2.2)49 (1.9)67 (2.7)
Average precipitation days (≥ 1 mm)77117121712536712

Monthly sunshine hours in Samuil, Bulgaria

The sunniest months in Samuil are June, July and August, when the sun shines an average of 13 hours 16 minutes a day. Least sunny months in Samuil: January, November and December receive an average of 6 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Samuil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours164227284342390395422404339281204190
Mean daily daylight hours9h 20m10h 29m11h 57m13h 26m14h 42m15h 21m15h 0m13h 53m12h 27m10h 58m9h 40m8h 59m

Solar UV radiation in Samuil, Bulgaria

Samuil 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 Samuil UV Index data.

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