Cluj-Napoca, where it's located

The climate of Cluj-Napoca is moderately continental, characterized by cold winters, with temperatures often below freezing (0 °C or 32 °F), and mild or pleasantly warm summers.
The city is located in northwestern Romania, in Transylvania, 350 meters (1,150 feet) above sea level.
The average temperature of the coldest month (January) is of -2.6 °C (27 °F), that of the warmest month (July) is of 19.8 °C (68 °F). Here are the average temperatures.
Cluj-Napoca - Average temperatures
Min (°C)-6-5-149121413940-4
Max (°C)03101621242626211572
Min (°F)212330394854575548393225
Max (°F)323750617075797970594536

Precipitation amounts to 595 millimeters (23.4 inches) per year: so, it is at an intermediate level. It ranges from 25 mm (1 in) in the driest months (January, February) to 90 mm (3.5 in) in the wettest (June). Here is the average precipitation.
Cluj-Napoca - Average precipitation

On average, there are around 2,030 sunshine hours per year. Here are the average sunshine hours per day.
Cluj-Napoca - Sunshine


Best Time

The best time to visit Cluj-Napoca runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, it can be hot in July and August, while in other circumstances, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket for the evening.