Summer (mid May to late September) is hot, moderately dry, and sunny with a July and August having an average high of 33 °C (91 °F). The average depth of snow coverage is 2 to 4 cm (1 to 2 in), and the maximum is normally 6 to 13 cm (2 to 5 in), but some winters coverage can reach 70 cm (28 in) or more. The days are mild and relatively warm in mid spring.

"town of villains") in pejorative relation to the conquest by king Philip II of Macedon who is said to have settled the town with 2,000 men who were false-accusers, sycophants, lawyers, and other possible disreputables., meaning "The Three Hills", and mentioned in the 1st century by Pliny.

At times the name was Ulpia, Flavia, Julia after the Roman families.

Plovdiv is situated in a fertile region of south-central Bulgaria on the two banks of the Maritsa River.

The city has historically developed on seven syenite hills, some of which are 250 metres (820 feet) high.

There are many preserved ruins such as the ancient Plovdiv Roman theatre, a Roman odeon, a Roman aqueduct, the Plovdiv Roman Stadium, the archaeological complex Eirene, and others.

The oldest American educational institution outside the United States, the American College of Sofia, was founded in Plovdiv in 1860 and later moved to Sofia.

On average there are 33 days with mist during the year.

The history of Plovdiv spans more than eight millennia.

Ammianus Marcellinus wrote in the 4th century CE that the then city had been the old Eumolpias/Eumolpiada, ( of the other as it kept all consonants of the name Philip deva (city).