Monthly climate in Cernavoda, Romania

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Cernavoda features a humid subtropical climate (Cfa). Temperatures typically range between 1 °C (34 °F) and 24 °C (76 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 531 mm (20.9 inches) and receives 83 rainy days on the 1 mm (0.04 inches) threshold annually. Cernavoda enjoys an average of 3678 hours of sunshine throughout the year, and daylight varies from 8 hours 54 minutes to 15 hours 26 minutes per day.

Monthly average temperatures in Cernavoda, Romania

The warmest months in Cernavoda are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (71 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 40 °F) throughout the day. On average each year, Cernavoda experiences 89 days above 25 °C (77.0 °F) and 53 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cernavoda. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(62°F)
19°C
(67°F)
23°C
(74°F)
27°C
(81°F)
30°C
(87°F)
33°C
(91°F)
36°C
(97°F)
37°C
(99°F)
33°C
(91°F)
29°C
(84°F)
26°C
(79°F)
19°C
(67°F)
Mean maximum12°C
(55°F)
18°C
(64°F)
21°C
(70°F)
23°C
(74°F)
28°C
(83°F)
31°C
(89°F)
34°C
(94°F)
35°C
(95°F)
32°C
(89°F)
26°C
(79°F)
22°C
(72°F)
16°C
(61°F)
Average high4°C
(40°F)
8°C
(46°F)
11°C
(52°F)
16°C
(62°F)
22°C
(72°F)
26°C
(80°F)
29°C
(84°F)
30°C
(87°F)
26°C
(79°F)
19°C
(67°F)
12°C
(54°F)
7°C
(46°F)
Daily mean1°C
(34°F)
4°C
(39°F)
6°C
(44°F)
11°C
(52°F)
17°C
(63°F)
22°C
(71°F)
24°C
(75°F)
24°C
(76°F)
20°C
(68°F)
14°C
(57°F)
8°C
(48°F)
4°C
(40°F)
Average low-2°C
(29°F)
0°C
(32°F)
2°C
(36°F)
6°C
(43°F)
12°C
(54°F)
17°C
(63°F)
18°C
(65°F)
19°C
(66°F)
14°C
(58°F)
10°C
(50°F)
6°C
(42°F)
1°C
(35°F)
Mean minimum-10°C
(15°F)
-8°C
(17°F)
-5°C
(23°F)
0°C
(33°F)
6°C
(43°F)
13°C
(55°F)
14°C
(58°F)
14°C
(58°F)
7°C
(45°F)
4°C
(40°F)
-2°C
(29°F)
-7°C
(20°F)
Minimum-19°C
(-2°F)
-11°C
(13°F)
-14°C
(7°F)
-1°C
(30°F)
4°C
(39°F)
9°C
(49°F)
13°C
(57°F)
12°C
(54°F)
3°C
(38°F)
2°C
(35°F)
-5°C
(23°F)
-16°C
(3°F)

Compare climate in Cernavoda with other places

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

Monthly average precipitation in Cernavoda, Romania

Cernavoda usually has the most precipitation in June, July and December, with an average of 10 rainy days and 67 mm (2.6 inches) of precipitation per month. The driest months in Cernavoda are April, August and September. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cernavoda. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.6)43 (1.7)55 (2.2)30 (1.2)43 (1.7)87 (3.4)55 (2.2)17 (0.7)17 (0.7)46 (1.8)37 (1.5)60 (2.3)
Average precipitation days (≥ 1 mm)67879137335510

Monthly sunshine hours in Cernavoda, Romania

The sunniest months in Cernavoda are June, July and August, when the sun shines an average of 13 hours 28 minutes a day. Least sunny months in Cernavoda: January, November and December receive an average of 6 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cernavoda. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours159229290346394404427406340282207189
Mean daily daylight hours9h 16m10h 27m11h 56m13h 28m14h 47m15h 26m15h 5m13h 56m12h 28m10h 56m9h 36m8h 54m

Solar UV radiation in Cernavoda, Romania

Cernavoda 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 Cernavoda UV Index data.

Average daily maximum UV levels by month for Cernavoda. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235789987532