The city in Hungary with the highest average temperature throughout the year is Debrecen.

Debrecen is located in the southeast of Hungary, close to the Romanian border. It is the third largest city in Hungary. The climate here is continental, with warm summers and not too cold winters. Debrecen's climate is very suitable for traveling and living, especially in the summer, when the warm weather and beautiful scenery attract a large number of tourists.

According to meteorological data, Debrecen’s annual average temperature is around 15°C. The hottest months are July and August, with the average temperature around 21.7℃, but the temperature in these two months sometimes exceeds 30℃, reaching a maximum of 34.5℃. The coldest months are January and February, but because the west is more affected by the Mediterranean climate and the Atlantic warm current, it is warmer than the northeast.

Features of Debrecen:

1. Cultural heritage: Debrecen has rich cultural heritage, including historical buildings, museums and art galleries. Among them, St. Anna's Cathedral is one of the most famous buildings in Debrecen. Built in the 19th century, it is one of the largest neo-Gothic churches in Hungary. In addition, there are many museums in Debrecen, such as Hajdu-Bihar State Museum, Debrecen Museum of Contemporary Art, etc.

2. Music Festival: Debrecen is one of the important centers of Hungarian music culture and holds many music festivals and concerts every year. The most famous of these is the Debrecen Music Festival, an international music festival that attracts musicians and audiences from all over the world. In addition, Debrecen has many other music festivals, such as Jazz Festival, Folk Music Festival, etc.

Reference for the above content: Baidu Encyclopedia-Debrecen