When you travel with your pet, keeping tabs on the weather can help you make the trip more safe and fun for everyone. The hottest months are usually July and June with an average temp of 88°F, while the coldest months are December and January with an average of 66°F. From January through March, the daytime average is 87°F and the nighttime average is 51°F. Between April and June, temperatures average 99°F during the day and 68°F at night. July through September averages 100°F during the day and 71°F at night. In October-December, the average temperature is 86°F during the day and 51°F at night.