Average temperatures, rainfall, sunshine and the best time to visit Cluj-Napoca.
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10-day forecastForecast
Pick a month to see the average temperature, rainfall and sunshine in Cluj-Napoca - and find the best time to visit.
In Cluj-Napoca, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C (79°F) in August to a very cold 2°C (36°F) in January.
Nighttime temperatures range from 14°C (57°F) in August to -6°C (21°F) in January.
Check out our detailed temperature page for more information.
On average, Cluj-Napoca receives a reasonable amount of rain/snowfall, with an annual precipitation of 837 mm (33 in). The seasons in Cluj-Napoca bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 113 mm (4.4 in) of precipitation. This rainfall is distributed across 15 rainy days.
In contrast, the driest month, January, experiences much less snow/rainfall, totaling 40 mm (1.6 in) over 13 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Cluj-Napoca Precipitation page.
In Cluj-Napoca, summer days are longer and more sunny, with daily sunshine hours peaking at 9.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.8 hours per average day.
Visit our detailed sunshine hours page for more information.
The relative humidity is high throughout the year in Cluj-Napoca.
The city experiences its highest humidity in December, reaching 88%. In April, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
The average wind speed over the year ranges from 1 m/s (2 knots) to 2 m/s (4 knots). It is lower in January, February, August, September, October, November and December and higher in March, April, May, June and July. What does this mean?
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
May, August and September typically offer the most optimal weather in Cluj-Napoca. In contrast, January, February, March, November and December tend to have less optimal conditions. Cluj-Napoca has warm summers and very cold winters.
Daytime highs range from 2°C (36°F) in January to 26°C (79°F) in August. Nighttime lows range from -6°C (21°F) to 14°C (57°F). Temperatures vary considerably through the year.
Annual rainfall is around 837 mm (33 in). June is the wettest month with 113 mm (4.4 in), while January is the driest with 40 mm (1.6 in).
Cluj-Napoca 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, Cluj-Napoca enjoys abundant sunshine.
Cluj-Napoca is highlighted - select any city to see its climate.
Where to go in October - average daytime high across popular destinations.
Eforie Nord
18°C (64°F) Bucharest19°C (66°F) Timişoara19°C (66°F) Mamaia18°C (64°F) Constanţa18°C (64°F) Sibiu15°C (59°F) Cluj-Napoca16°C (61°F) Braşov14°C (57°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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