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Monthly climate in Kotel, Sliven, Bulgaria

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kotel features a oceanic climate (Cfb).Temperatures typically range between 0 °C (33 °F) and 22 °C (72 °F) through the year, but rarely can drop to -16 °C (3 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 832 mm (32.8 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually.Kotel enjoys an average of 3645 hours of sunshine throughout the year, and daylight varies from 9 hours 3 minutes to 15 hours 16 minutes per day.

Monthly average temperatures in Kotel, Sliven, Bulgaria §

The warmest months in Kotel are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (67 - 72 °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, Kotel experiences 69 days above 25 °C (77.0 °F) and 69 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kotel, 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 15°C
(58°F)		 17°C
(63°F)		 21°C
(69°F)		 26°C
(79°F)		 29°C
(84°F)		 33°C
(91°F)		 36°C
(97°F)		 36°C
(98°F)		 32°C
(89°F)		 29°C
(84°F)		 24°C
(76°F)		 16°C
(61°F)
Mean maximum 12°C
(54°F)		 16°C
(61°F)		 19°C
(66°F)		 22°C
(73°F)		 26°C
(80°F)		 29°C
(85°F)		 34°C
(93°F)		 33°C
(91°F)		 30°C
(86°F)		 25°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)		 15°C
(60°F)		 20°C
(69°F)		 24°C
(76°F)		 27°C
(80°F)		 28°C
(83°F)		 24°C
(75°F)		 18°C
(64°F)		 11°C
(52°F)		 6°C
(43°F)
Daily mean 0°C
(33°F)		 3°C
(37°F)		 5°C
(41°F)		 10°C
(50°F)		 15°C
(60°F)		 19°C
(67°F)		 22°C
(71°F)		 22°C
(72°F)		 18°C
(65°F)		 12°C
(54°F)		 7°C
(45°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
(50°F)		 15°C
(58°F)		 16°C
(62°F)		 16°C
(62°F)		 13°C
(55°F)		 8°C
(47°F)		 4°C
(40°F)		 0°C
(33°F)
Mean minimum -11°C
(12°F)		 -10°C
(14°F)		 -7°C
(20°F)		 -1°C
(31°F)		 4°C
(40°F)		 10°C
(50°F)		 13°C
(55°F)		 12°C
(55°F)		 5°C
(42°F)		 3°C
(38°F)		 -2°C
(28°F)		 -7°C
(20°F)
Minimum -16°C
(3°F)		 -13°C
(9°F)		 -14°C
(8°F)		 -2°C
(28°F)		 2°C
(36°F)		 7°C
(45°F)		 10°C
(51°F)		 11°C
(52°F)		 2°C
(35°F)		 1°C
(34°F)		 -6°C
(21°F)		 -8°C
(18°F)

Compare climate in Kotel with other places

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

Monthly average precipitation in Kotel, Sliven, Bulgaria §

Kotel 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 Kotel are February, August and September. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kotel, 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) 58 (2.3) 57 (2.2) 77 (3.0) 59 (2.3) 88 (3.5) 140 (5.5) 78 (3.1) 34 (1.3) 28 (1.1) 70 (2.7) 59 (2.3) 86 (3.4)
Average precipitation days (≥ 1 mm) 8 8 12 10 13 17 12 6 5 7 8 13

Monthly sunshine hours in Kotel, Sliven, Bulgaria §

The sunniest months in Kotel are June, July and August, when the sun shines an average of 13 hours 14 minutes a day.Least sunny months in Kotel: January, November and December receive an average of 6 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kotel, 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 166 229 281 340 388 393 421 402 340 280 209 190
Mean daily daylight hours 9h 24m 10h 31m 11h 57m 13h 24m 14h 39m 15h 16m 14h 56m 13h 50m 12h 27m 10h 59m 9h 43m 9h 3m

Solar UV radiation in Kotel, Sliven, Bulgaria §

Kotel 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 Kotel UV Index data.

Average daily maximum UV levels by month for Kotel, 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 7 9 9 9 9 7 5 3 2