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Monthly climate in Tvarditsa, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tvarditsa features a oceanic climate (Cfb). Temperatures typically range between 0 °C (33 °F) and 23 °C (73 °F) through the year, but rarely can drop to -16 °C (4 °F) or can rise to as high as 37 °C (100 °F). The average annual precipitation amounts to about 830 mm (32.7 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually. Tvarditsa enjoys an average of 3709 hours of sunshine throughout the year, and daylight varies from 9 hours 5 minutes to 15 hours 15 minutes per day.

Monthly average temperatures in Tvarditsa, Bulgaria

The warmest months in Tvarditsa are June, July and August, with daily mean temperatures ranging from 19 to 23 °C (67 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 3 °C (33 - 38 °F) throughout the day. On average each year, Tvarditsa experiences 74 days above 25 °C (77.0 °F) and 67 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tvarditsa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		17°C
(64°F)		20°C
(69°F)		26°C
(80°F)		30°C
(85°F)		33°C
(92°F)		36°C
(98°F)		37°C
(100°F)		33°C
(92°F)		30°C
(86°F)		24°C
(75°F)		15°C
(60°F)
Mean maximum11°C
(53°F)		16°C
(61°F)		19°C
(66°F)		23°C
(73°F)		27°C
(82°F)		30°C
(86°F)		34°C
(93°F)		33°C
(93°F)		31°C
(87°F)		24°C
(76°F)		20°C
(68°F)		13°C
(56°F)
Average high4°C
(39°F)		7°C
(45°F)		10°C
(50°F)		16°C
(60°F)		21°C
(70°F)		24°C
(76°F)		27°C
(81°F)		29°C
(84°F)		25°C
(77°F)		18°C
(65°F)		11°C
(52°F)		6°C
(43°F)
Daily mean0°C
(33°F)		3°C
(38°F)		5°C
(42°F)		10°C
(51°F)		16°C
(60°F)		19°C
(67°F)		22°C
(72°F)		23°C
(73°F)		18°C
(65°F)		13°C
(55°F)		7°C
(46°F)		3°C
(38°F)
Average low-3°C
(27°F)		-1°C
(31°F)		1°C
(34°F)		5°C
(41°F)		10°C
(51°F)		14°C
(58°F)		16°C
(62°F)		17°C
(62°F)		13°C
(55°F)		8°C
(47°F)		4°C
(40°F)		0°C
(33°F)
Mean minimum-11°C
(13°F)		-9°C
(16°F)		-6°C
(21°F)		-1°C
(31°F)		5°C
(41°F)		10°C
(50°F)		13°C
(56°F)		13°C
(55°F)		5°C
(42°F)		3°C
(37°F)		-2°C
(30°F)		-7°C
(19°F)
Minimum-13°C
(8°F)		-11°C
(13°F)		-16°C
(4°F)		-1°C
(30°F)		3°C
(38°F)		7°C
(45°F)		12°C
(53°F)		11°C
(51°F)		2°C
(36°F)		-0°C
(32°F)		-5°C
(23°F)		-9°C
(15°F)

Compare climate in Tvarditsa with other places

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

Monthly average precipitation in Tvarditsa, Bulgaria

Tvarditsa usually has the most precipitation in May, June and December, with an average of 14 rainy days and 105 mm (4.1 inches) of precipitation per month. The driest months in Tvarditsa are January, August and September. On average, 38 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tvarditsa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)54 (2.1)57 (2.2)77 (3.0)57 (2.3)85 (3.4)138 (5.4)77 (3.1)34 (1.3)27 (1.1)72 (2.8)60 (2.4)91 (3.6)
Average precipitation days (≥ 1 mm)981210131711658713

Monthly sunshine hours in Tvarditsa, Bulgaria

The sunniest months in Tvarditsa are June, July and August, when the sun shines an average of 13 hours 21 minutes a day. Least sunny months in Tvarditsa: January, November and December receive an average of 6 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tvarditsa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours170231287343392399425403343284222205
Mean daily daylight hours9h 25m10h 32m11h 57m13h 24m14h 38m15h 15m14h 55m13h 50m12h 26m11h 0m9h 44m9h 5m

Solar UV radiation in Tvarditsa, Bulgaria

Tvarditsa experiences the highest level of ultraviolet (UV) radiation in May, June 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 Tvarditsa UV Index data.

Average daily maximum UV levels by month for Tvarditsa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2468910997632