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Monthly climate in Constanta, Romania

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Constanta features a humid subtropical climate (Cfa).Temperatures typically range between 3 °C (38 °F) and 25 °C (77 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 31 °C (87 °F).The average annual precipitation amounts to about 516 mm (20.3 inches) and receives 83 rainy days on the 1 mm (0.04 inches) threshold annually.Constanta enjoys an average of 3750 hours of sunshine throughout the year, and daylight varies from 8 hours 54 minutes to 15 hours 27 minutes per day.

Monthly average temperatures in Constanta, Romania §

The warmest months in Constanta are June, July and August, with daily mean temperatures ranging from 21 to 25 °C (71 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 3 to 6 °C (38 - 43 °F) throughout the day. On average each year, Constanta experiences 54 days above 25 °C (77.0 °F) and 20 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Constanta, Romania.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
(57°F)		 15°C
(59°F)		 16°C
(61°F)		 20°C
(69°F)		 25°C
(77°F)		 29°C
(84°F)		 31°C
(87°F)		 30°C
(87°F)		 28°C
(83°F)		 24°C
(76°F)		 21°C
(69°F)		 16°C
(61°F)
Mean maximum 11°C
(52°F)		 13°C
(55°F)		 14°C
(58°F)		 17°C
(62°F)		 23°C
(73°F)		 27°C
(80°F)		 29°C
(85°F)		 30°C
(85°F)		 27°C
(81°F)		 22°C
(72°F)		 17°C
(64°F)		 14°C
(57°F)
Average high 5°C
(41°F)		 7°C
(44°F)		 8°C
(47°F)		 12°C
(54°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(79°F)		 27°C
(80°F)		 23°C
(74°F)		 18°C
(64°F)		 12°C
(54°F)		 8°C
(47°F)
Daily mean 3°C
(38°F)		 5°C
(41°F)		 6°C
(43°F)		 10°C
(50°F)		 16°C
(61°F)		 21°C
(71°F)		 24°C
(75°F)		 25°C
(77°F)		 21°C
(70°F)		 16°C
(60°F)		 11°C
(51°F)		 7°C
(44°F)
Average low 1°C
(35°F)		 3°C
(37°F)		 4°C
(40°F)		 8°C
(47°F)		 14°C
(57°F)		 19°C
(67°F)		 22°C
(71°F)		 22°C
(73°F)		 19°C
(66°F)		 14°C
(57°F)		 9°C
(49°F)		 5°C
(41°F)
Mean minimum -5°C
(23°F)		 -3°C
(26°F)		 -1°C
(31°F)		 4°C
(40°F)		 10°C
(51°F)		 16°C
(61°F)		 18°C
(65°F)		 19°C
(67°F)		 13°C
(55°F)		 9°C
(48°F)		 3°C
(38°F)		 -1°C
(31°F)
Minimum -10°C
(14°F)		 -6°C
(22°F)		 -9°C
(17°F)		 3°C
(38°F)		 9°C
(49°F)		 12°C
(54°F)		 17°C
(62°F)		 17°C
(64°F)		 11°C
(52°F)		 7°C
(45°F)		 -1°C
(31°F)		 -5°C
(24°F)

Compare climate in Constanta with other places

Compare temperature, precipitation, sunshine, UV index in Constanta, Romania with other places around the world.

Monthly average precipitation in Constanta, Romania §

Constanta usually has the most precipitation in June, November and December, with an average of 10 rainy days and 63 mm (2.5 inches) of precipitation per month.The driest months in Constanta are April, August and September. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Constanta, Romania.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) 50 (2.0) 42 (1.7) 44 (1.7) 28 (1.1) 30 (1.2) 67 (2.6) 50 (2.0) 11 (0.4) 21 (0.8) 50 (2.0) 54 (2.1) 68 (2.7)
Average precipitation days (≥ 1 mm) 7 7 8 6 7 10 6 3 3 5 9 12

Monthly sunshine hours in Constanta, Romania §

The sunniest months in Constanta are May, June and July, when the sun shines an average of 13 hours 41 minutes a day.Least sunny months in Constanta: 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 Constanta, Romania.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 157 229 301 352 407 417 433 407 343 292 214 193
Mean daily daylight hours 9h 16m 10h 27m 11h 56m 13h 28m 14h 47m 15h 27m 15h 6m 13h 56m 12h 28m 10h 56m 9h 36m 8h 54m

Solar UV radiation in Constanta, Romania §

Constanta experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High 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 3. For more detailed information, check out our hourly Constanta UV Index data.

Average daily maximum UV levels by month for Constanta, Romania.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 3 5 7 8 9 9 8 7 5 3 2