Complex sentence: It consists of gentle undulating hills at an average of 300 meters above sea-level, and its climate is characterized by long, hot summers and mild and rainy sub-Mediterranean winters with an average of 460 mm of rainfall each year.
Split into simpler sentences: It consists of gentle undulating hills at an average of 300 meters above sea-level. Its climate is characterized by long, hot summers and mild and rainy sub-mediterranean winters with an average of 460 mm of rainfall each year.