When you travel with your pet, keeping track of the weather can help you make the trip more safe and fun for everyone. The hottest months are usually February and January with an average temp of 68°F, while the coldest months are July and August with an average of 59°F. From January through March, the daytime average is 75°F and the nighttime average is 64°F. Between April and June, temperatures average 70°F during the day and 56°F at night. July through September averages 65°F during the day and 54°F at night. In October-December, the average temperature is 71°F during the day and 56°F at night.