Dej Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Dej.

Climate overview of Dej

Temperatures in Dej, Cluj, Romania, vary greatly throughout the year. August is the hottest month at 27°C (81°F), while January is the coldest at 2°C (36°F).

With around 882 mm (35 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and January the driest. It also has warm summers and very cold winters. Sunshine peaks in July, when the city sees around 9.3 hours of sunshine per day.

Dej Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Dej - and find the best time to visit.

Monthly Temperature in Dej

The climate in Dej is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in August to a very cold 2°C (36°F) in the coolest month, January.

Nights vary from 14°C (57°F) in August to around -5°C (23°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Dej

Generally, Dej receives mid-range precipitation levels, with 882 mm (35 in) annually. The climate in Dej shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 112 mm (4.4 in) of precipitation over 15 rainy days.

In contrast, the driest month January offers drier and sunnier days, with around 50 mm (2 in) of snow/rainfall over 13 snowy/rainy days. For more details, please visit our Dej Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Dej

For those who appreciate different seasons, Dej serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.3 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Cluj-Napoca, Romania (46 KM, 28 Miles).

Daily hours of sunshine

Data from: Cluj-Napoca, Romania (46 KM, 28 Miles).

Humidity in Dej by Month

Best Time to Visit Dej

The most comfortable overall weather for exploring Dej is usually found in May, August and September. Conditions are generally least comfortable in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: May, August and September
  • Warmest weather: July and August
  • Most sunshine: July and August
  • Fewest rainy days: August, September and October
  • Seasonal pattern: Warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -5°C (23°F).

Frequently asked questions about the climate in Dej

What is the best time to visit Dej?

May, August and September typically offer the most optimal weather in Dej. In contrast, January, February, March, November and December tend to have less optimal conditions. Dej has warm summers and very cold winters.

What temperatures can I expect in Dej?

Daytime highs range from 2°C (36°F) in January to 27°C (81°F) in August. Nighttime lows range from -5°C (23°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Dej get?

Annual rainfall is around 882 mm (35 in). June is the wettest month with 112 mm (4.4 in), while January is the driest with 50 mm (2 in).

How sunny is Dej?

Dej receives around 2,047 hours of sunshine per year. July is the sunniest month with 278 hours, while December is the cloudiest with just 54 hours. Overall, Dej enjoys abundant sunshine.

Dej 3-Day Forecast

Dej on the map

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