Monthly climate in Dej, Cluj, Romania

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Dej features a humid continental climate (Dfb).Temperatures typically range between -3 °C (27 °F) and 21 °C (70 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 843 mm (33.2 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually.Dej enjoys an average of 3641 hours of sunshine throughout the year, and daylight varies from 8 hours 32 minutes to 15 hours 50 minutes per day.

Monthly average temperatures in Dej, Cluj, Romania §

The warmest months in Dej are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (66 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to 1 °C (27 - 34 °F) throughout the day. On average each year, Dej experiences 53 days above 25 °C (77.0 °F) and 90 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Dej, Cluj, 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 10°C
(51°F)
15°C
(60°F)
22°C
(72°F)
27°C
(81°F)
28°C
(83°F)
32°C
(91°F)
32°C
(90°F)
35°C
(96°F)
30°C
(86°F)
25°C
(77°F)
23°C
(74°F)
13°C
(56°F)
Mean maximum 7°C
(44°F)
11°C
(52°F)
18°C
(64°F)
23°C
(74°F)
26°C
(79°F)
29°C
(84°F)
31°C
(87°F)
32°C
(90°F)
29°C
(84°F)
23°C
(73°F)
17°C
(64°F)
9°C
(49°F)
Average high 0°C
(33°F)
4°C
(40°F)
10°C
(50°F)
16°C
(60°F)
20°C
(67°F)
24°C
(76°F)
25°C
(77°F)
27°C
(81°F)
22°C
(71°F)
16°C
(61°F)
9°C
(49°F)
3°C
(38°F)
Daily mean -3°C
(27°F)
1°C
(34°F)
4°C
(40°F)
10°C
(50°F)
14°C
(58°F)
19°C
(66°F)
20°C
(68°F)
21°C
(70°F)
16°C
(60°F)
10°C
(51°F)
6°C
(42°F)
1°C
(34°F)
Average low -6°C
(22°F)
-2°C
(28°F)
-0°C
(32°F)
4°C
(39°F)
9°C
(48°F)
14°C
(57°F)
14°C
(58°F)
15°C
(59°F)
10°C
(50°F)
5°C
(42°F)
3°C
(37°F)
-1°C
(30°F)
Mean minimum -18°C
(1°F)
-10°C
(15°F)
-7°C
(20°F)
-2°C
(28°F)
3°C
(37°F)
8°C
(47°F)
9°C
(49°F)
10°C
(50°F)
3°C
(38°F)
-0°C
(32°F)
-4°C
(25°F)
-8°C
(17°F)
Minimum -21°C
(-5°F)
-12°C
(11°F)
-15°C
(6°F)
-6°C
(21°F)
0°C
(33°F)
5°C
(42°F)
7°C
(45°F)
7°C
(46°F)
-0°C
(32°F)
-4°C
(26°F)
-6°C
(21°F)
-13°C
(9°F)

Compare climate in Dej with other places

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

Monthly average precipitation in Dej, Cluj, Romania §

Dej usually has the most precipitation in May, June and July, with an average of 16 rainy days and 107 mm (4.2 inches) of precipitation per month.The driest months in Dej are January, August and November. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dej, Cluj, 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) 46 (1.8) 67 (2.6) 59 (2.3) 54 (2.1) 117 (4.6) 111 (4.4) 94 (3.7) 49 (1.9) 63 (2.5) 58 (2.3) 47 (1.9) 79 (3.1)
Average precipitation days (≥ 1 mm) 10 12 12 11 17 18 13 9 8 9 10 14

Monthly sunshine hours in Dej, Cluj, Romania §

The sunniest months in Dej are June, July and August, when the sun shines an average of 13 hours 34 minutes a day.Least sunny months in Dej: January, February and December receive an average of 5 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dej, Cluj, 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 151 205 288 346 393 415 428 405 337 284 215 168
Mean daily daylight hours 8h 57m 10h 16m 11h 55m 13h 38m 15h 5m 15h 50m 15h 26m 14h 8m 12h 30m 10h 49m 9h 19m 8h 32m

Solar UV radiation in Dej, Cluj, Romania §

Dej 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, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Dej UV Index data.

Average daily maximum UV levels by month for Dej, Cluj, 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 6 8 9 9 8 7 4 2 2