Complex sentence: Winters in Portland are mild to chilly, occasionally cold, overcast and often damp with temperatures bottoming out in the second half of December and early January; the coolest month is December, with an average daily high of.
Split into simpler sentences: Winters in Portland are mild to chilly, occasionally cold, overcast and often damp with temperatures bottoming out in the second half of December and early January. The coolest month is December, with an average daily high of.