Complex sentence: The summer months are warm but can get hot and moderately humid, with moist air riding up from the Gulf of Mexico, and high temperatures surpass on 5.6 days of the year, and on 47 days.
Split into simpler sentences: The summer months are warm, but can get hot and moderately humid, with moist air riding up from the Gulf of Mexico. High temperatures surpass on 5.6 days of the year, and on 47 days.