Jacksonville has something to offer everyone: miles of uncrowded beaches; ecological and nature based excursions; world-class golf courses; top-of-the-line tennis facilities and other recreation; historical sites and architecture; sporting, gaming and cultural activities; unique shopping and dining; nightlife and entertainment; festivals and events; a riverfront festival marketplace and river cruises. And that is just the beginning. Jacksonville is the largest city in continental United States. Jacksonville's coldest month is January when the average temperature overnight is 41.9°F. In July, the warmest month, the average day time temperature rises to 90.8°F.