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Monthly climate in Tvarditsa, Sliven, Bulgaria

Last updated: May 6, 2024

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, Sliven, 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, Sliven, Bulgaria.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°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 maximum 11°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 high 4°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 mean 0°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, Sliven, Bulgaria with other places around the world.

Monthly average precipitation in Tvarditsa, Sliven, 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, Sliven, Bulgaria.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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) 9 8 12 10 13 17 11 6 5 8 7 13

Monthly sunshine hours in Tvarditsa, Sliven, 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, Sliven, Bulgaria.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 170 231 287 343 392 399 425 403 343 284 222 205
Mean daily daylight hours 9h 25m 10h 32m 11h 57m 13h 24m 14h 38m 15h 15m 14h 55m 13h 50m 12h 26m 11h 0m 9h 44m 9h 5m

Solar UV radiation in Tvarditsa, Sliven, 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, Sliven, Bulgaria.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 4 6 8 9 10 9 9 7 6 3 2