Miami's climate is warm year-round. The coldest month averages 68ºF and the warmest month averages 93ºF. However, there are a few "winter" days where temperatures drop to 40ºF at night and many summer days with temperatures in the high 90's ºF. The climate is quite humid, especially in the summer, and there are occasional heavy rains. Campus dress is casual and informal for both men and women.