nomadseason

Monthly climate in Rila, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rila features a humid continental climate (Dfb). Temperatures typically range between -2 °C (28 °F) and 19 °C (67 °F) through the year, but rarely can drop to -26 °C (-14 °F) or can rise to as high as 32 °C (91 °F). The average annual precipitation amounts to about 893 mm (35.2 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually. Rila enjoys an average of 3735 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 Rila, Bulgaria

The warmest months in Rila are June, July and August, with daily mean temperatures ranging from 16 to 19 °C (61 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (28 - 34 °F) throughout the day. On average each year, Rila experiences 38 days above 25 °C (77.0 °F) and 106 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rila. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(52°F)		16°C
(60°F)		19°C
(67°F)		23°C
(73°F)		27°C
(81°F)		31°C
(87°F)		32°C
(90°F)		32°C
(91°F)		30°C
(86°F)		27°C
(80°F)		21°C
(71°F)		12°C
(53°F)
Mean maximum9°C
(48°F)		14°C
(57°F)		17°C
(63°F)		21°C
(70°F)		24°C
(75°F)		28°C
(82°F)		30°C
(87°F)		30°C
(86°F)		27°C
(82°F)		22°C
(73°F)		18°C
(64°F)		10°C
(51°F)
Average high2°C
(36°F)		6°C
(43°F)		9°C
(48°F)		14°C
(57°F)		18°C
(65°F)		21°C
(71°F)		24°C
(76°F)		26°C
(79°F)		21°C
(71°F)		16°C
(61°F)		10°C
(51°F)		4°C
(40°F)
Daily mean-2°C
(28°F)		1°C
(34°F)		3°C
(39°F)		8°C
(47°F)		13°C
(55°F)		16°C
(61°F)		19°C
(66°F)		19°C
(67°F)		15°C
(59°F)		10°C
(50°F)		5°C
(42°F)		1°C
(33°F)
Average low-7°C
(20°F)		-4°C
(26°F)		-2°C
(29°F)		2°C
(36°F)		7°C
(45°F)		11°C
(52°F)		13°C
(55°F)		12°C
(55°F)		9°C
(48°F)		4°C
(40°F)		1°C
(34°F)		-3°C
(27°F)
Mean minimum-19°C
(-3°F)		-15°C
(4°F)		-11°C
(13°F)		-4°C
(24°F)		1°C
(35°F)		7°C
(44°F)		9°C
(48°F)		9°C
(48°F)		2°C
(35°F)		-1°C
(30°F)		-5°C
(24°F)		-13°C
(9°F)
Minimum-26°C
(-14°F)		-21°C
(-5°F)		-17°C
(1°F)		-8°C
(18°F)		-0°C
(32°F)		4°C
(39°F)		8°C
(46°F)		8°C
(46°F)		-2°C
(28°F)		-4°C
(26°F)		-11°C
(13°F)		-21°C
(-5°F)

Compare climate in Rila with other places

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

Monthly average precipitation in Rila, Bulgaria

Rila usually has the most precipitation in March, May and June, with an average of 17 rainy days and 113 mm (4.5 inches) of precipitation per month. The driest months in Rila are August, September and November. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rila. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)64 (2.5)57 (2.2)92 (3.6)70 (2.8)106 (4.2)141 (5.6)84 (3.3)45 (1.8)38 (1.5)56 (2.2)48 (1.9)91 (3.6)
Average precipitation days (≥ 1 mm)10101412172011756812

Monthly sunshine hours in Rila, Bulgaria

The sunniest months in Rila are May, July and August, when the sun shines an average of 13 hours 6 minutes a day. Least sunny months in Rila: January, November and December receive an average of 6 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rila. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours175238288340395394423400342289235210
Mean daily daylight hours9h 29m10h 34m11h 57m13h 22m14h 34m15h 11m14h 52m13h 48m12h 26m11h 1m9h 47m9h 8m

Solar UV radiation in Rila, Bulgaria

Rila experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, 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 Rila UV Index data.

Average daily maximum UV levels by month for Rila. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)34789101098632