When you travel with your pet, keeping tabs on the weather can make the trip safe and fun for everyone. The hottest months are usually July and August with an average temp of 85°F, while the coldest months are January and February with an average of 58°F. From January through March, the daytime average is 75°F and the nighttime average is 47°F. Between April and June, temperatures average 96°F during the day and 62°F at night. July through September averages 97°F during the day and 72°F at night. In October-December, the average temperature is 85°F during the day and 50°F at night.