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Monthly climate in Shumen, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Shumen features a oceanic climate (Cfb). Temperatures typically range between 1 °C (34 °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 (101 °F). The average annual precipitation amounts to about 604 mm (23.8 inches) and receives 97 rainy days on the 1 mm (0.04 inches) threshold annually. Shumen enjoys an average of 3619 hours of sunshine throughout the year, and daylight varies from 9 hours 1 minutes to 15 hours 19 minutes per day.

Monthly average temperatures in Shumen, Bulgaria

The warmest months in Shumen are June, July and August, with daily mean temperatures ranging from 21 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 4 °C (34 - 39 °F) throughout the day. On average each year, Shumen experiences 88 days above 25 °C (77.0 °F) and 59 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Shumen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		19°C
(66°F)		22°C
(72°F)		27°C
(80°F)		29°C
(84°F)		34°C
(93°F)		37°C
(100°F)		38°C
(101°F)		33°C
(91°F)		31°C
(87°F)		26°C
(79°F)		18°C
(64°F)
Mean maximum13°C
(56°F)		17°C
(63°F)		20°C
(69°F)		23°C
(75°F)		28°C
(82°F)		31°C
(88°F)		35°C
(95°F)		35°C
(95°F)		31°C
(88°F)		26°C
(79°F)		22°C
(71°F)		15°C
(59°F)
Average high5°C
(41°F)		8°C
(47°F)		11°C
(52°F)		16°C
(62°F)		22°C
(71°F)		26°C
(79°F)		29°C
(84°F)		30°C
(86°F)		26°C
(79°F)		19°C
(66°F)		12°C
(54°F)		7°C
(45°F)
Daily mean1°C
(34°F)		4°C
(39°F)		6°C
(43°F)		11°C
(52°F)		16°C
(62°F)		21°C
(69°F)		23°C
(74°F)		24°C
(75°F)		19°C
(67°F)		13°C
(56°F)		8°C
(47°F)		4°C
(39°F)
Average low-2°C
(28°F)		-0°C
(32°F)		2°C
(35°F)		5°C
(42°F)		11°C
(52°F)		15°C
(60°F)		17°C
(64°F)		18°C
(64°F)		14°C
(57°F)		9°C
(48°F)		5°C
(42°F)		1°C
(34°F)
Mean minimum-10°C
(15°F)		-9°C
(17°F)		-5°C
(23°F)		-0°C
(31°F)		5°C
(42°F)		11°C
(52°F)		14°C
(57°F)		13°C
(56°F)		7°C
(44°F)		4°C
(39°F)		-2°C
(29°F)		-6°C
(22°F)
Minimum-17°C
(2°F)		-12°C
(11°F)		-13°C
(10°F)		-2°C
(29°F)		3°C
(37°F)		8°C
(46°F)		13°C
(55°F)		12°C
(53°F)		3°C
(37°F)		1°C
(34°F)		-5°C
(23°F)		-11°C
(13°F)

Compare climate in Shumen with other places

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

Monthly average precipitation in Shumen, Bulgaria

Shumen usually has the most precipitation in March, June and December, with an average of 12 rainy days and 76 mm (3.0 inches) of precipitation per month. The driest months in Shumen are April, August and September. On average, 27 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Shumen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)49 (1.9)44 (1.7)64 (2.5)39 (1.6)51 (2.0)99 (3.9)50 (2.0)21 (0.8)19 (0.8)52 (2.0)48 (1.9)66 (2.6)
Average precipitation days (≥ 1 mm)7710791510436712

Monthly sunshine hours in Shumen, Bulgaria

The sunniest months in Shumen are June, July and August, when the sun shines an average of 13 hours 11 minutes a day. Least sunny months in Shumen: 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 Shumen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours164226278338388390420402337277203190
Mean daily daylight hours9h 22m10h 30m11h 57m13h 25m14h 41m15h 19m14h 59m13h 52m12h 27m10h 59m9h 41m9h 1m

Solar UV radiation in Shumen, Bulgaria

Shumen 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 Shumen UV Index data.

Average daily maximum UV levels by month for Shumen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)246799997532