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Monthly climate in Garmen, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Garmen features a oceanic climate (Cfb). Temperatures typically range between 1 °C (34 °F) and 21 °C (71 °F) through the year, but rarely can drop to -19 °C (-3 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 892 mm (35.1 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually. Garmen enjoys an average of 3782 hours of sunshine throughout the year, and daylight varies from 9 hours 12 minutes to 15 hours 7 minutes per day.

Monthly average temperatures in Garmen, Bulgaria

The warmest months in Garmen are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (34 - 38 °F) throughout the day. On average each year, Garmen experiences 65 days above 25 °C (77.0 °F) and 85 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Garmen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(56°F)		17°C
(63°F)		20°C
(69°F)		24°C
(75°F)		28°C
(83°F)		34°C
(93°F)		34°C
(94°F)		34°C
(93°F)		32°C
(89°F)		26°C
(79°F)		22°C
(72°F)		13°C
(57°F)
Mean maximum10°C
(51°F)		14°C
(57°F)		18°C
(65°F)		22°C
(72°F)		26°C
(79°F)		29°C
(85°F)		32°C
(90°F)		33°C
(91°F)		29°C
(85°F)		23°C
(73°F)		18°C
(65°F)		12°C
(53°F)
Average high5°C
(41°F)		8°C
(47°F)		11°C
(52°F)		15°C
(60°F)		20°C
(69°F)		24°C
(75°F)		27°C
(81°F)		28°C
(83°F)		24°C
(75°F)		18°C
(65°F)		12°C
(54°F)		7°C
(45°F)
Daily mean1°C
(34°F)		3°C
(38°F)		6°C
(42°F)		10°C
(50°F)		15°C
(59°F)		18°C
(65°F)		21°C
(70°F)		21°C
(71°F)		17°C
(63°F)		12°C
(53°F)		7°C
(45°F)		3°C
(38°F)
Average low-3°C
(26°F)		-2°C
(29°F)		-0°C
(32°F)		3°C
(38°F)		8°C
(47°F)		11°C
(52°F)		14°C
(57°F)		14°C
(57°F)		10°C
(50°F)		5°C
(42°F)		3°C
(37°F)		-0°C
(32°F)
Mean minimum-11°C
(12°F)		-11°C
(13°F)		-8°C
(19°F)		-3°C
(27°F)		3°C
(37°F)		7°C
(45°F)		10°C
(50°F)		9°C
(49°F)		3°C
(37°F)		-1°C
(31°F)		-3°C
(27°F)		-7°C
(19°F)
Minimum-18°C
(1°F)		-19°C
(-3°F)		-13°C
(9°F)		-7°C
(20°F)		1°C
(34°F)		4°C
(40°F)		10°C
(50°F)		7°C
(45°F)		0°C
(33°F)		-2°C
(29°F)		-6°C
(21°F)		-12°C
(10°F)

Compare climate in Garmen with other places

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

Monthly average precipitation in Garmen, Bulgaria

Garmen usually has the most precipitation in March, June and December, with an average of 14 rainy days and 102 mm (4.0 inches) of precipitation per month. The driest months in Garmen are August, September and October. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Garmen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)71 (2.8)67 (2.7)98 (3.8)77 (3.0)81 (3.2)90 (3.6)69 (2.7)36 (1.4)40 (1.6)62 (2.4)81 (3.2)119 (4.7)
Average precipitation days (≥ 1 mm)9915111216107561011

Monthly sunshine hours in Garmen, Bulgaria

The sunniest months in Garmen are May, June and July, when the sun shines an average of 13 hours 19 minutes a day. Least sunny months in Garmen: January, November and December receive an average of 6 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Garmen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours182239297340399400426398345293234225
Mean daily daylight hours9h 32m10h 36m11h 57m13h 20m14h 31m15h 7m14h 48m13h 46m12h 25m11h 2m9h 49m9h 12m

Solar UV radiation in Garmen, Bulgaria

Garmen experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Garmen UV Index data.

Average daily maximum UV levels by month for Garmen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2478101110108642