Complex sentence: Its climate varies from hot summers to mild winters in the low lying areas, cool winters dominate the mountain areas while in the highest elevations, summers are cool and snow and cold weather dominate the winter months in the Panaitolikon.
Split into simpler sentences: Its climate varies from hot summers to mild winters in the low lying areas, with cool winters dominating the mountain areas. At the highest elevations, summers are cool, and snow and cold weather dominate the winter months in the Panaitolikon.