The hottest months are usually July and August with an average temp of 90°F, while the coldest months are January and December with an average of 57°F. From January through March, the daytime average is 77°F and the nighttime average is 43°F. Between April and June, temperatures average 101°F during the day and 64°F at night. July through September averages 103°F during the day and 75°F at night. In October-December, the average temperature is 87°F during the day and 46°F at night.